2022/11/15 更新

写真a

マチダ ヒロシ
町田 洋
MACHIDA, Hiroshi
所属
未来社会創造機構 脱炭素社会創造センター プロジェクト部門 准教授
大学院担当
大学院工学研究科
職名
准教授
連絡先
メールアドレス

学位 1

  1. 博士(工学) ( 2009年3月   東北大学 ) 

研究キーワード 1

  1. 超臨界

研究分野 2

  1. ものづくり技術(機械・電気電子・化学工学) / 移動現象、単位操作  / 化学工学

  2. ナノテク・材料 / エネルギー化学

現在の研究課題とSDGs 2

  1. バイオエタノールの省エネルギー濃縮・脱水技術の開発

  2. 相分離型省エネルギーCO2吸収剤の開発

経歴 2

  1. 名古屋大学   大学院工学研究科   助教

    2010年9月 - 2022年3月

  2. (財)地球環境産業技術研究機構

    2009年4月 - 2010年8月

      詳細を見る

    国名:日本国

学歴 2

  1. 東北大学   工学研究科   化学工学専攻

    - 2009年3月

      詳細を見る

    国名: 日本国

  2. 東北大学   工学部

    2000年4月 - 2004年3月

      詳細を見る

    国名: 日本国

所属学協会 2

  1. 化学工学会

  2. 分離技術会

委員歴 5

  1. 化学工学会   東海支部未来の化学工学を創る会代表  

    2021年4月 - 現在   

  2. 化学工学会   戦略推進センターCCUS研究会幹事  

    2020年10月 - 現在   

  3. 化学工学会   超臨界流体部会幹事  

    2017年4月 - 現在   

  4. 分離技術会   東海地区幹事  

    2015年4月 - 現在   

  5. セルロース学会第19回年次大会   実行委員  

    2012年4月 - 2012年7月   

受賞 4

  1. 特定課題研究奨励金カーボンニュートラル研究

    2022年3月   永井科学技術財団   超親水性充填物の開発による CO2分離回収の革新的低コスト化

  2. 部会CT賞

    2021年3月   化学工学会  

  3. 第15回わかしゃち奨励賞応用研究部門最優秀賞

    2020年12月   愛知県   水素による省エネルギー温室効果ガス回収技術の開発

  4. 教育奨励賞

    2013年3月   化学工学会  

 

論文 59

  1. Estimation of effective thermal conductivity in open-cell foam with hierarchical pore structure using lattice Boltzmann method

    Lin Y., Yang C., Zhang W., Fukumoto K., Saito Y., Machida H., Norinaga K.

    Applied Thermal Engineering   218 巻   2023年1月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:Applied Thermal Engineering  

    Effective thermal conductivity in open-cell foam with hierarchical pore structure was estimated using lattice Boltzmann method. A new structure algorithm was proposed to reconstruct hierarchical pore structure in open-cell foam. In order to elucidate the heat transfer characteristics in hierarchical pore structure, the effect of structure parameters, namely the hierarchical pore size ratio (d2/d1), the hierarchical pore volume ratio (V2/V1), and temperature on the effective thermal conductivity was investigated. These results indicated that hierarchical pore structure is unfavorable to the effective thermal conductivity in open-cell foam for the heat conduction process. At high temperatures (Tave = 450–1650 K), however, the effective thermal conductivity in hierarchical pore structure is higher than that in uniform pore structure considering heat radiation. Furthermore, for the heat conduction process, a correlation of the effective thermal conductivity related to open-cell foam with hierarchical pore structure was proposed and validated by available experimental data.

    DOI: 10.1016/j.applthermaleng.2022.119314

    Scopus

  2. Pretreatment of lignin by electrochemical hydrogenation to enhance the olefins and aromatic products during rapid pyrolysis

    Zhang Lijuan, Sirisomboonchai Suchada, Choi Cheolyong, Machida Hiroshi, Norinaga Koyo

    JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS   166 巻   2022年9月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:Journal of Analytical and Applied Pyrolysis  

    Lignin is one of the most promising biopolymers for producing hydrocarbons and aromatic compounds in nature. Electrochemical conversion of lignin is regarded as an attractive technology for producing various aromatic chemicals which are generally derived from fossil fuels. The author reports an electrochemical approach for hydrogenating alkaline lignin (AL), which uses relatively low-cost Ni foam as a working electrode under alkali electrolyte. The primary factors (such as power input, reactor type, temperature, reaction time, catalysts, and electrode substrates) of electrochemical hydrogenation were used to control the products' yield and features. The redox characteristics of the reaction system were directly compared with the cyclic voltammetry measurement under different parameters. After electrochemical hydrogenation (ECH), rapid pyrolysis was conducted on HAL samples to investigate the influence of electrochemical reactions on lignin. The maximum olefins and aromatics yield from HAL was increased to more than three times AL, accounting for 2.22 wt% and 4.07 wt%, respectively. Then, thermogravimetric analysis (TGA), elemental analysis (EA), Fourier-transform infrared spectroscopy (FTIR), and heteronuclear single quantum coherence (HSQC) NMR were employed to characterize hydrogenated lignin samples (HAL), as well as gas chromatography–mass spectrometry (GC-MS) was conducted to investigate the oil-phase products. This work focused on this electrochemical hydrogenation coupled with rapid pyrolysis process to give a possibility that converting lignin into not only liquid oil products, but solid hydrogenated lignin can be used to produce more olefins and aromatics in rapid pyrolysis, and presented the advantages and disadvantages of this two-stage process finally.

    DOI: 10.1016/j.jaap.2022.105625

    Web of Science

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  3. Efficient CO2 Electrochemical Reduction by a Robust Electrocatalyst Fabricated by Electrodeposition of Indium and Zinc over Copper Foam

    Sirisomboonchai Suchada, Machida Hiroshi, Tran Khuyen Viet Bao, Kawasumi Masaya, Norinaga Koyo

    ACS APPLIED ENERGY MATERIALS   5 巻 ( 8 ) 頁: 9846 - 9857   2022年8月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:ACS Applied Energy Materials  

    Electrochemical reduction of CO2comprising the CO2reduction reactuib (CO2RR) and oxygen evolution reaction (OER) is one of the most promising technologies for electrification of the chemical process industry. Here, the performance of a electrocatalyst with a three-dimensional structure of InZnCu on Cu foam (CF) is presented. This electrocatalyst was fabricated by electrodeposition of In and Zn over Cu and exhibited a superior reduction of CO2to CO at a Faradaic efficiency of 93.7% at -0.7 V and an excellently long duration of 100 h. Due to the synergy of the thin In layer, the Zn nanosheets provided a high surface-active area and strong mechanical robustness during the reaction. Additionally, a two-electrode system was constructed based on the CF-modified surface, which provided valuable guidelines on the overall CO2RR-OER system for further evolution. Furthermore, due to the facile synthesis, the bimetal-layer double hydroxide (LDH) exhibited high conductivity and high OER performance. Hence, the two-electrode system assembled excellent electrocatalysts for the CO2RR-OER (InZnCu/CF||Cu(OH)2NWs@NiCo-LDH/CF) with high conversions of CO2to CO of 67% and 88% at 2 and 50 mA cm-2, respectively. Notably, the CO2RR-OER system exhibited excellent stability in a 40 h CO2conversion with a constant current density of 2 mA cm-2at an ultralow voltage of 1.59 V. Moreover, the calculation of the energy input converting CO per ton of CO2resulted in a low energy input range for further development in scalability. This overall CO2RR-OER proposes development in electrochemical CO2reduction for industrial applications.

    DOI: 10.1021/acsaem.2c01564

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  4. Selective hydrogenation of furfural to tetrahydrofurfuryl alcohol in 2-butanol over an equimolar Ni-Cu-Al catalyst prepared by the co-precipitation method

    Rao Thuppati U., Suchada S., Choi C., Machida H., Huo Zhibao, Norinaga K.

    ENERGY CONVERSION AND MANAGEMENT   265 巻   2022年8月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:Energy Conversion and Management  

    In order to upgrade biomass-derived platform chemicals to high value-added chemicals and liquid fuels, it is highly advantageous and desirable to synthesize suitable non-precious bimetallic catalysts that are efficient and versatile in chemical reactions. Equal moles of Ni and Cu were dispersed on varying mole ratios of Al by the co-precipitation method to synthesize Ni-Cu alloy particles to obtain a maximum yield of tetrahydrofurfuryl alcohol (THFA) by the liquid phase hydrogenation of furfural. The nickel species were active for both the furan ring (C=C) and carbonyl group (C=O) of furfural molecule, while Cu species were highly active for only the carbonyl group of furfural molecule. Systematic characterization of the prepared catalysts by XRD, TPR, STEM-EDS, and XPS analysis revealed the formation of highly active Ni-Cu alloys and near-equal Ni/Cu surface contents were achieved for the equimolar catalyst, which showcased a maximum of 98 mol% yield of THFA at 140 °C, 30 bar, 4 h. The reaction pressure and temperature showed a substantial effect on the product yield. The solvent selection also influenced the product selectivity, particularly with 2-butanol, which promoted the reaction with its hydrogen donor capacity and supported the ring hydrogenation of FAL to THFA. Moreover, the reduced Ni1Cu1-Al1 catalyst displayed good recyclability for three runs and an equal activity to that of a fresh catalyst after the regeneration.

    DOI: 10.1016/j.enconman.2022.115736

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  5. Phase equilibrium modeling of mixtures containing conformationally flexible molecules with the COSMO-SAC model

    Hung Ying-Chieh, Hsieh Chieh-Ming, Machida Hiroshi, Lin Shiang-Tai, Shimoyama Yusuke

    JOURNAL OF MOLECULAR LIQUIDS   356 巻   2022年6月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:Journal of Molecular Liquids  

    The multi-conformational structures sampling of a molecule, considered as conformational information, is found to be crucial for applying COSMO-SAC to systems containing compounds with flexible molecular structures, such as alkylene glycol derivatives. In this study, a hybrid modeling approach that combines the COSMO-SAC model with classical molecular dynamics (MD) is proposed to investigate the phase behavior of systems containing alkylene glycol derivatives. The accuracy in predicting liquid–liquid equilibrium (LLE) was found to be strongly influenced by conformational populations obtaining from MD simulations under different solvation environments. The overall root mean square deviation (RMSD) in predicting LLE mutual solubility from COSMO-SAC for seven selected mixtures containing alkylene glycol derivatives reduces from 19.1% to 10.1% when conformation distribution is included. The new approach significantly improves the accuracy in predicting phase behaviors for alkylene glycol derivatives solutions and can be applied to systems containing compounds with flexible molecular structures.

    DOI: 10.1016/j.molliq.2022.118896

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  6. Modeling of phase separation solvent for CO2 capture using COSMO-SAC model

    Hung Ying-Chieh, Hsieh Chieh-Ming, Machida Hiroshi, Lin Shiang-Tai, Shimoyama Yusuke

    JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS   135 巻   2022年6月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:Journal of the Taiwan Institute of Chemical Engineers  

    Background: Phase separation solvents are proposed to replace conventional solvents for CO2 capture due to a significant reduction of absorbent regeneration heat. A predictive approach based on COSMO-SAC is developed to model the CO2 capture process using the phase separation solvent of 2-(ethylamino)ethanol (EAE) + water + diethylene glycol diethyl ether (DEGDEE). Methods: In this approach, liquid phase compositions, including CO2 solubility, are determined from vapor-liquid-liquid equilibrium calculation with a chemisorption reaction in both liquid phases. The behavior of phase separation after CO2 capture and CO2 solubility in both CO2-lean and CO2-rich phases at 313 and 353 K can be well described by the proposed approach. Significant findings: The overall root-mean-square-deviation (RMSD) in predicting compositions (128 data points) of all components in both liquid phases is 0.064, which is slightly better than a previous study on the accuracy of COSMO-SAC in LLE prediction (RMSD = 0.105). The phase separation behavior of solvent can be realized with the hydrophilic product upon CO2 absorption from the σ-profile analysis. The proposed framework is expected to be a useful tool for the development of a new phase separation solvent.

    DOI: 10.1016/j.jtice.2022.104362

    Web of Science

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  7. CFD simulation of the Sabatier process in a shell-and-tube reactor under local thermal non-equilibrium conditions: Parameter sensitivity and reaction mechanism analysis

    Lin Yixiong, Zhang Wei, Machida Hiroshi, Norinaga Koyo

    INTERNATIONAL JOURNAL OF HYDROGEN ENERGY   47 巻 ( 34 ) 頁: 15254 - 15269   2022年4月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:International Journal of Hydrogen Energy  

    The Sabatier process is a competitive technology applied for carbon capture and utilization. This process increases the risk of carbon deposition and catalyst thermal degradation because of its exothermic property. In this study, a CFD model verified through existing experimental data was established to systematically investigate the Sabatier process in a shell-and-tube reactor. The effects arising from several operating parameters (e.g., gas flow rate, feed gas composition, the thermal conductivity of catalyst pellet, the inlet temperature of cooling phase, as well as phase change refrigeration) on temperature profile and reaction performance were studied. Moreover, a mechanism of three reactions was investigated, including CO2 methanation, CO methanation, as well as RWGS reaction. Furthermore, the competition between CO2 methanation and RWGS reaction was explored. According to the further sensitivity analysis, increasing the thermal conductivity of the catalyst particles would be effective to inhibit hot spots, while keeping the carbon conversion rate unchanged.

    DOI: 10.1016/j.ijhydene.2022.03.029

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  8. Unveiling the mechanism of CO2-driven phase change in amine plus water plus glycol ether ternary mixture

    Hung Ying-Chieh, Hsieh Chieh-Ming, Machida Hiroshi, Lin Shiang-Tai, Shimoyama Yusuke

    JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS   131 巻   2022年2月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:Journal of the Taiwan Institute of Chemical Engineers  

    Background: Phase separation solvents have been developed for CO2 capture with the advantage of low regeneration energy. Understanding the mechanism of phase change driven by CO2 capture is critical toward design of phase separation solvents. Methods: In this work, the molecular information of σ-profile and simulated ternary liquid–liquid equilibrium (LLE) phase diagram obtained from a predictive modeling based on COSMO-SAC method is used to investigate the phase behavior of phase separation solvents before and after CO2 absorption. Significant findings: Ternary mixtures of three selected amines [2-aminoethanol (MEA), 2-(ethylamino)ethanol (EAE), 2-(butylamino)ethanol (BAE)] + water + glycol ether, with different strengths of hydrophilicity of amines, exhibit three types of partially miscible behaviors. Upon absorption of CO2, amine reacts to form hydrophilic reaction products (carbamate + protonated amine), resulting in the change of the molecular interactions and immiscible behaviors. Our study shows that amines, such as EAE, having a balanced interaction with water and glycol ether (exhibiting small immiscible region) are potential candidates for amine + water + glycol ether based phase separation solvent for CO2 capture.

    DOI: 10.1016/j.jtice.2021.11.010

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  9. A review of thermal catalytic and electrochemical hydrogenation approaches for converting biomass-derived compounds to high-value chemicals and fuels

    Zhang Lijuan, Rao Thuppati U., Wang Jingyi, Ren Dezhang, Sirisommboonchai Suchada, Choi Cheolyong, Machida Hiroshi, Huo Zhibao, Norinaga Koyo

    FUEL PROCESSING TECHNOLOGY   226 巻   2022年2月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:Fuel Processing Technology  

    Major global issues such as greenhouse gas emissions and the excessive use of fossil fuels lead to looking for sustainable and clean energy resources. Lignocellulosic biomass is a prospective resource for sustainable carbon-based energy. The production of petroleum-based green fuels, chemicals, and solvents from biomass-derived products has garnered much attention in the recent past. The study of biomass derivatives hydrogenation improves the efficiency of generating high-value chemicals and provides much-needed insights into the primary reaction mechanism for the effective utilization of raw constituents or biomass. However, the existing thermochemical conversions of biomass and biomass-derived products such as thermal catalytic hydrogenation (TCH) involve energy-intensive and expensive processes. In this regard, sustainable energy generation attracts alternative conversion technologies, including electrochemical conversion (ECC), electrocatalytic hydrogenation (ECH), and photocatalytic conversions that can be directly integrated with renewable wind/solar technologies and operated at ambient or lower temperatures. The role of electrocatalyst and electrolyte is pivotal to achieve efficient and selective ECH of biomass organics. This review paper summarizes the utilization of TCH and ECH processes on cellulose/hemicellulose, lignin, and their derivatives/model compounds, including catalyst types, reaction conditions, hydrogenation efficiency, and technical limitations. The advantages and disadvantages of the two technologies for biomass utilization have also been compared, which provides a more favourable knowledge base and theoretical basis for the subsequent research work.

    DOI: 10.1016/j.fuproc.2021.107097

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  10. Durability and fire-hazardous-risk evaluation of unique phase separation solvent using high-boiling-point amine and ether

    Maeda Norihide, Kishimoto Akira, Machida Hiroshi, Yamaguchi Tsuyoshi, Yanase Keiichi, Norinaga Koyo

    INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL   114 巻   2022年2月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:International Journal of Greenhouse Gas Control  

    Durability and fire hazard risk evaluations were conducted to determine the process feasibility of a unique phase separation solvent with a low regeneration temperature (90 °C) consisting of an amine, ether, and a small amount of water. The results are as follows. I) The amine degradation rate of the phase separation solvent was determined to be less than 1/10 of that of monoethanolamine, which was attributed to the high oxidative resistance and low regeneration temperature of the former. II) The composition of the gas that formed in the absorber was completely out of the combustible range during the treatment of 6% oxygen-containing gas on a dry basis. Therefore, we believe that this phase separation solvent is applicable to the treatment of exhaust gas from coal-fired thermal power plants and can realize stable operation with a small amount of amine required for replenishment.

    DOI: 10.1016/j.ijggc.2021.103532

    Web of Science

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  11. Fluctuation in diethylene glycol diethyl ether/water mixtures near the lower critical solution temperature studied by small- and wide-angle x-ray scattering and thermodynamic calculation

    Yanase Keiichi, Khuyen Viet Bao Tran, Yamaguchi Tsuyoshi, Machida Hiroshi, Norinaga Koyo

    JOURNAL OF MOLECULAR LIQUIDS   346 巻   2022年1月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:Journal of Molecular Liquids  

    We studied local structure of diethylene glycol diethyl ether (DEGDEE)-water mixtures near the lower critical solution temperature (LCST) by means of simultaneous small- and wide-angle x-ray scattering measurement and thermodynamic calculation based on the activity coefficient model. Long-wavelength limits of structure factors SNN(0), SCC(0), and SNC(0), which respectively represent mean square fluctuations in the particle number, the concentration, and their cross correlation, are determined from scattering intensity extrapolated to the zero scattering vector and thermodynamic quantities according to the Bhatia and Thornton formula. SNN(0) and SCC(0) exhibit maxima near critical concentration. We found that difference between partial molar volumes of water and DEGDEE essentially results in SNN(0) values being one order of magnitude larger than SCC(0) values. Further, we determined Kirkwood-Buff (KB) integrals to clarify a mixing state of the solution from a mesoscopic point of view. The KB integrals also exhibit extrema near critical concentration. These results demonstrate self-segregations of both DEGDEE and water in a nanometer length scale even at homogeneous solution states, which can be regarded as a precursor of the macroscopic phase separation. Concentration dependence of the wide-angle scattering curve suggests that the short-range structure, whose length scale is sub-nanometer, moderately changes between the intrinsic bulk structures of DEGDEE and water. Comparison of the KB integrals with those determined by the activity coefficient model using non-random two-liquid equation is presented and effects of the fluctuation on the phase behavior are discussed.

    DOI: 10.1016/j.molliq.2021.117830

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  12. Determination of Kinetic Parameters for CO2 Methanation (Sabatier Reaction) over Ni/ZrO2 at a Stoichiometric Feed-Gas Composition under Elevated Pressure

    Choi Cheolyong, Khuenpetch Angkana, Zhang Wei, Yasuda Shoya, Lin Yixiong, Machida Hiroshi, Takano Hiroyuki, Izumiya Kouichi, Kawajiri Yoshiaki, Norinaga Koyo

    ENERGY & FUELS   35 巻 ( 24 ) 頁: 20216 - 20223   2021年12月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:Energy and Fuels  

    Methanation of CO2 using H2 obtained by renewable energy sources has been gaining attention as one of the promising options for utilizing captured CO2 and surplus power obtained when intermittent power sources such as solar and wind energy are used. Herein, kinetics of CO2 methanation over Ni/ZrO2 was studied using a tubular quartz reactor at 0.9 MPa. The Sabatier reaction (CO2 + 4H2 = CH4 + 2H2O, ΔHr298K = – 165 kJ mol–1) was carried out under stoichiometric gas feeding (CO2/H2 = 1/4 v/v to CH4/H2O = 1/2 v/v), and its reaction rate was determined. The exothermic nature of CO2 methanation and extremely high catalytic activities increased the reaction temperature to 400–600 °C even when the feed-gas temperature was as low as 250–400 °C, and the gas hourly space velocity was as high as 3 × 106 h–1. Nonlinear regression analyses based on one- and multistep kinetic models were used to investigate the reaction rates to estimate the kinetic parameters. Both models with optimized parameters can reproduce the experimentally obtained CH4 formation rates for the entire range of the feed-gas conversion with a coefficient of determination (R2) of over 0.98.

    DOI: 10.1021/acs.energyfuels.1c01534

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  13. An Alternative CO2 Capture with a Pressure Swing Amine Process Driven by Cryogenic Pumping with the Unused Cold Energy of Liquefied Natural Gas

    Machida Hiroshi, Hashiride Ryusei, Niinomi Ritsuka, Yanase Keiichi, Hirayama Mikiro, Umeda Yoshito, Norinaga Koyo

    ACS SUSTAINABLE CHEMISTRY & ENGINEERING   9 巻 ( 47 ) 頁: 15908 - 15914   2021年11月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:ACS Sustainable Chemistry and Engineering  

    This paper presents an alternative concept of CO2 capture that can substantially reduce the energy required for CO2 capture by utilizing unused cold energy. The heat of vaporization of liquefied natural gas (LNG), of which the boiling point is 110 K, is a possible candidate for unused cold energy. This technology is based on a pressure swing amine process combined with a sublimation tank to cool CO2 released from a desorber into dry ice by exchanging the LNG cold energy. The feature of this technology is that pure CO2 is recovered mostly by a pressure swing that decreases the pressure in the desorber utilizing a cryogenic pump with CO2 sublimation instead of a mechanical pump. We developed an amine-based absorbent that can realize the proposed process for exhaust gas from a fossil fuel-fired power plant. A process simulation indicated that the required energy is as low as 0.25 GJ/ton CO2 when both the absorber and the desorber are operated at around 313 K, the desorber pressure is reduced to 1 kPa, and the sublimation tank is operated at 150 K.

    DOI: 10.1021/acssuschemeng.1c05892

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  14. Inhibition of temperature runaway phenomenon in the Sabatier process using bed dilution structure: LBM-DEM simulation

    Lin Yixiong, Yang Chen, Choi Cheolyong, Zhang Wei, Fukumoto Kazui, Machida Hiroshi, Norinaga Koyo

    AICHE JOURNAL   67 巻 ( 10 )   2021年10月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:AIChE Journal  

    The Sabatier process is promising for carbon dioxide utilization and energy storage. However, the serious problem that limits more comprehensive industrial applications is catalyst deactivation due to the temperature runaway phenomenon. The inert particle dilution approach, including the mixing dilution method and layered dilution method is applied to solve this problem. Based on the lattice kinetic scheme-lattice Boltzmann method (LKS-LBM), the effects of three parameters in bed dilution structure reconstructed by the discrete element method (DEM) on temperature distribution and carbon conversion rate were discussed, so as to investigate the relationship between packing structure and temperature distribution. Furthermore, numerical results indicated that an optimal bed dilution structure, which not only can control the peak temperature below the critical temperature to avoid coking and sintering of catalyst, but also can improve the conversion rate by almost 18% compared with the structure without dilution under the same circumstance.

    DOI: 10.1002/aic.17304

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  15. Towards design of phase separation solvent for CO2 capture using COSMO-SAC model

    Hung Ying-Chieh, Hsieh Chieh-Ming, Machida Hiroshi, Lin Shiang-Tai, Shimoyama Yusuke

    JOURNAL OF MOLECULAR LIQUIDS   336 巻   2021年8月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:Journal of Molecular Liquids  

    There is a growing interest in developing CO2 capture processes based on phase separation solvents due to its much lower energy consumption compared to the reference amine process using monoethanolamine (MEA). In this work, the predictive COSMO-SAC activity coefficient model was applied to describe phase behavior for phase separation solvent composed of amine + water + glycol ether. From the calculated ternary liquid-liquid equilibrium (LLE) phase diagram, ternary mixtures of fourteen selected amines + water + glycol ether can be classified into miscible- or immiscible-type solvents. The work presented here indicates that amines having comparable affinity to water and glycol ether generally result in a smaller two-phase region and form type I phase behavior near the amine-lean region. The amines having a strong affinity to water or glycol ether show a larger two-phase region and result in type II phase behavior. Further analysis shows that KOW and σ-profile can be good indicators for the affinity of amine to water and glycol ether, which is the key factor to determine the phase behavior of investigated ternary mixtures. The feed composition and operating temperature of phase separation solvent should be judged by the interaction between solvent molecules. This study demonstrates that COSMO-SAC is a useful tool for exploiting the phase behavior of potential phase separation solvents with limited available experimental data.

    DOI: 10.1016/j.molliq.2021.116229

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  16. Density and Viscosity Calculation of a Quaternary System of Amine Absorbents before and after Carbon Dioxide Absorption

    Khuyen Viet Bao Tran, Sato Miho, Yanase Keiichi, Yamaguchi Tsuyoshi, Machida Hiroshi, Norinaga Koyo

    JOURNAL OF CHEMICAL AND ENGINEERING DATA   66 巻 ( 8 ) 頁: 3057 - 3071   2021年8月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:Journal of Chemical and Engineering Data  

    Viscosity and density of amine absorbents affect directly their flow, which is involved in the process design and simulation of carbon dioxide capture. A mixture of 2-(ethyl amino) ethanol (EAE), diethylene glycol diethyl ether (DEGDEE), and water changes its phase from homogeneous to two-liquid ones on CO2 absorption. It is difficult to calculate the viscosity and density of this phase separation solution, especially those of quaternary-component phases. In this research, models to calculate the density and viscosity of the quaternary-component system of EAE/DEGDEE/water/carbamate were suggested based on nonrandom two-liquid (NRTL)-DVOL and NRTL-DVIS models. Given the component concentrations, these models can replicate well the viscosity and density of the solutions. A good calculation result with a few numbers of parameters makes the models simple and easy to use.

    DOI: 10.1021/acs.jced.1c00195

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  17. Production of light hydrocarbons from organosolv lignin through catalytic hydrogenation and subsequent fast pyrolysis

    Zhang Lijuan, Choi Cheolyong, Machida Hiroshi, Norinaga Koyo

    JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS   156 巻   2021年6月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:Journal of Analytical and Applied Pyrolysis  

    Valorization and utilization of lignin have been drawing increasing attention recently. Hydroprocess is one of the main technologies, which can reduce organic compounds and partially depolymerize the macromolecular structure of lignin. The mechanism of lignin hydroprocess has been extensively discussed focusing on hydrogenolysis. In contrast, the solid residue regarded as unreacted or depolymerized lignin has drawn less attention so far. This study proposes an integrated process that consists of catalytic hydrogenation and subsequent fast pyrolysis for valorizing lignin. The results showed that 48−87 wt.% of solid product could be recovered as hydrogenated lignin (H-EOL) after hydrogenation at 200–250 ℃ for 1−7 h. Chemical structure of H-EOL was comprehensively investigated by means of elemental analysis, FTIR, 13C & 1H NMR, and TGA. Furthermore, behavior of fast pyrolysis of H-EOL was detected here for the first time. H-EOL has higher hydrogen to carbon atomic effective ratio(H/Ceff ratio) and achieves the increasing reactivity of thermal decomposition. H-EOL yields light olefins double as much as raw ethanol organosolv lignin (EOL). And the formation of alkanes (C1-C4), benzene, and toluene was promoted to various degrees, while the yield of carbon monoxide, carbon dioxide, and vapor decreased. A novel and efficient pretreatment method has been provided to valorize lignin, which is instructive for subsequent research.

    DOI: 10.1016/j.jaap.2021.105096

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  18. An Approach to Simulate Vapor Phase Reactions of Coal Volatiles in a Reducing Section of the Two Stage Entrained Flow Gasifier with a Detailed Chemical Kinetic Model

    Choi Cheolyong, Adachi Nozomi, Zhang Wei, Machida Hiroshi, Hayashi Jun-ichiro, Watanabe Hiroaki, Norinaga Koyo

    JOURNAL OF CHEMICAL ENGINEERING OF JAPAN   54 巻 ( 6 ) 頁: 334 - 343   2021年6月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:Journal of Chemical Engineering of Japan  

    An approach in predicting reactions undergone by coal volatiles in a reducing section (reductor) of an air-blown two-stage entrained flow gasifier toward designing a better gasification process was proposed. A detailed chemical kinetic model was applied to simulate chemical reactions of a complex molecular mixture of the coal volatiles evolved due to rapid pyrolysis of coal fed into the reductor. The composition of volatiles was determined based on pyrolysis-gas chromatography experiments, where 22 compounds, including inorganic gases (H2, H2O, CO and CO2), light hydrocarbon gases (C1–C4), and aromatic hydrocarbons (benzene to pyrene) were identified. Gas composition at the reductor inlet was estimated by integrating the information on the experimentally obtained molecular composition of the volatiles, and the thermodynamically calculated composition of inorganic gases generated from the combustor and the coal feeding rates into reductor and combustor. Concentration profiles of the individual chemical species, as well as soot particles together with the flow direction of the reductor, were revealed using an extended detailed chemical kinetic model involving 202 species, 1351 gas-phase reactions, and 101 surface reactions for soot formation and growth. The simulation revealed that near-complete decomposition of tar regarded as a set of all aromatic hydrocarbons is likely to require operation temperature of the reductor at temperatures as high as 1200°C, when the combustor is operated at 1800°C.

    DOI: 10.1252/jcej.20we171

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  19. A Review on Detailed Kinetic Modeling and Computational Fluid Dynamics of Thermochemical Processes of Solid Fuels

    Choi Cheolyong, Zhang Wei, Fukumoto Kazui, Machida Hiroshi, Norinaga Koyo

    ENERGY & FUELS   35 巻 ( 7 ) 頁: 5479 - 5494   2021年4月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:Energy and Fuels  

    This review presents the recent advances in computational approaches to understand thermochemical reactions of solid fuels with minimized empirical factors. It includes studies on kinetic modeling of gas-phase reactions of multicomponent molecular mixtures of volatiles derived from primary pyrolysis of solid fuels using a database for elementary reactions. Mechanistic studies to model the devolatilization of biomass and coal upon heating are also mentioned. The efforts to integrate the kinetic model with computational fluid dynamics to understand the flow and heat transfer behavior of industrial reactors for solid fuel conversions, including gasification and combustion, are reviewed. These advances are primarily based on the conventional forward analysis that provides a deeper understanding of chemically reacting flows of fuels undergoing thermochemical reactions. For the further development of the thermochemical conversion technology, it can be expected to develop alternative approaches such as inverse analysis to determine the optimal reactor design and operating conditions.

    DOI: 10.1021/acs.energyfuels.0c04052

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  20. Lattice Boltzmann simulation of multicomponent reaction-diffusion and coke formation in a catalyst with hierarchical pore structure for dry reforming of methane

    Lin Y.

    Chemical Engineering Science   229 巻   2021年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.ces.2020.116105

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  21. Catalytic hydrotreatment of alkaline lignin and its consequent influences on fast pyrolysis

    Zhang L., Choi C., Machida H., Huo Z., Norinaga K.

    Carbon Resources Conversion   4 巻   頁: 219 - 229   2021年1月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:Carbon Resources Conversion  

    The current state of lignin has been characterized by these three: (1) as one of the main components in lignocellulosic biomass with an abundant amount; (2) not be taken seriously but treated as a waste product; (3) underutilized due to a complex and stubborn structure. However, lignin can be a rich source for hydrocarbons and aromatic compounds when gives appropriate utilization. In this work, we have studied the hydrotreatment of alkaline lignin (AL) under relatively mild conditions and further investigated the characterization of hydrogenated lignin (HL), especially the behavior during fast pyrolysis. The recovery of the HL decreased with increasing reaction temperature from 60 wt.% to 41 wt.% in the range of 150–250 ℃. The hydrotreated products were analyzed using Elemental Analysis, FTIR (for HL) and GC–MS (for bio-oil). The HL samples were found to have a higher hydrogen/carbon atomic effective ratio (H/Ceff ratio) and a higher degree of saturation than AL. Compared to the internal structure of the lignin before and after hydrotreatment, the side chain groups were removed from AL during the process. After that, from the fast pyrolysis of HL, it was observed that more light hydrocarbons and aromatic compounds were formed than that of AL. Furthermore, fast pyrolysis in the hydrogen atmosphere revealed that more volatile fractions were released compared to the Helium atmosphere. The total olefins yield was increased for HL compared AL from 1.02 wt.% to 3.1 wt.% at 250 ℃ for 7 hours. This study of HL is instructive to some extent for the industrial utilization of lignin.

    DOI: 10.1016/j.crcon.2021.09.001

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  22. A comprehensive study on butanolysis of furfuryl alcohol to butyl levulinate using tungstated zirconia and sulfonated carbon catalysts

    Thuppati U.R., Choi C., Machida H., Norinaga K.

    Carbon Resources Conversion   4 巻   頁: 111 - 121   2021年1月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:Carbon Resources Conversion  

    This work presents the formation of butyl levulinate, a potential fuel additive, and an excellent renewable chemical obtained by the butanolysis of furfuryl alcohol (FAL) over a solid acid catalyst. The butanolysis of furfuryl alcohol reaction is a strong function of acidity for which tungstated zirconia (WO3-ZrO2), a robust solid acid catalyst, and a sulfonated carbon catalyst were employed to produce high yields of butyl levulinate targeting a lower initial molar ratio of butanol to FAL. A maximum of 28 mol% yield of butyl levulinate was obtained with tungstated zirconia catalyst. Easily prepared sulfonated carbon catalyst at high reaction temperatures facilitated the complete conversion of reaction intermediate, 2-butoxymethylfuran (2-BMF) through which butyl levulinate was formed, and as high as 80 mol% of butyl levulinate yield was produced at an initial mole ratio of 8.5:1 of butanol to FAL. The better results of sulfonated carbon catalyst could be attributed to the presence of -SO3H, carboxylic acid, and phenolic OH groups on the carbon surface.

    DOI: 10.1016/j.crcon.2021.03.003

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  23. Evaluation CO<inf>2</inf> solubility in biphasic solvent with AMP/Ether/Water for CO<inf>2</inf> capture

    Esaki T., Ueno Y., Uchiyama H., Matsukuma Y., Machida H.

    Proceedings of the International Conference on Power Engineering 2021, ICOPE 2021     2021年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:Proceedings of the International Conference on Power Engineering 2021, ICOPE 2021  

    We suggest new CO2 absorption processes with biphasic phase separation type for reducing consumption energy. the CO2-rich solution liquid was separated hydrophilic liquid and hydrophobic liquid. In this work, we studied some kind of amine and ether mixture solvents, and observed phase separation phenomena. From the results of phase separation characteristics, we selected with 2-Amino-2-methyl-1-prophanol (AMP), diethylene diethyl ether (DEGDEE) and water pair. We measured the CO2 solubility at different temperature and CO2 patricidal pressure conditions, and evaluated the effect of component concentration in the solvents on CO2 absorption characteristics and phase separation phenomena. We adjusted the biphasic solvents. AMP, DEGDEE and H2O of biphasic solvent weight-composition ratio are 30, 20 and 50 wt% respectively. The CO2 solubility of absorption at 40 ℃, 0.1atm was obtained 0.647 mol-CO2/mol-AMINE. The CO2 solubility of desorption at 90℃, 1.0 atm was obtained 0.177 mol-CO2/mol-AMINE. The difference of CO2 loading of this solvent was high performance of CO2 capture compared with that of other solvents. These result is attributed to the additive phase assisting in the regeneration of CO2 by extracting the regenerated amine. The results of the present study show reduction of desorption temperature and high CO2 absorption performance.

    Scopus

  24. Prediction of Phase Behavior of CO2 Absorbents Using Conductor-like Screening Model for Real Solvents (COSMO-RS): An Approach to Identify Phase Separation Solvents of Amine/Ether/Water Systems upon CO2 Absorption

    Nakaoka Mana, Tran Khuyen V. B., Yanase Keiichi, Machida Hiroshi, Norinaga Koyo

    INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH   59 巻 ( 42 ) 頁: 19020-19029   2020年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1021/acs.iecr.0c03233

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  25. Online composition analysis of phase separation solvent for carbon dioxide capture using ATR‐FT‐IR 査読有り

    Miho Sato Khuyen Viet Bao Tran Tsuyoshi Yamaguchi Hiroshi Machida Koyo Norinaga

    Journal of Advanced Manufacturing and Processing   2 巻 ( 4 ) 頁: 1 - 12   2020年7月

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    担当区分:責任著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1002/amp2.10067

  26. Energy-Saving CO2 Capture by H-2 Gas Stripping for Integrating CO2 Separation and Conversion Processes

    Machida Hiroshi, Esaki Takehiro, Yamaguchi Tsuyoshi, Norinaga Koyo

    ACS SUSTAINABLE CHEMISTRY & ENGINEERING   8 巻 ( 23 ) 頁: 8732-8740   2020年6月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1021/acssuschemeng.0c02459

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  27. Carbon Dioxide Absorption Heat in Liquid-Liquid and Solid-Liquid Phase-Change Solvents Using Continuous Calorimetry

    Tran Khuyen V. B., Ando Ryuya, Yamaguchi Tsuyoshi, Machida Hiroshi, Norinaga Koyo

    INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH   59 巻 ( 8 ) 頁: 3475-3484   2020年2月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1021/acs.iecr.9b04672

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  28. Computational fluid dynamics simulation of CO<inf>2</inf> methanation in a shell-and-tube reactor with multi-region conjugate heat transfer

    Zhang W.

    Chemical Engineering Science   211 巻   2020年1月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.ces.2019.115276

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  29. Modelling of CO<inf>2</inf> solubility in phase separation solvent composed of amine/ether/water system for CO<inf>2</inf> capture

    Machida H.

    Journal of Molecular Liquids   292 巻   2019年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.molliq.2019.111411

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  30. Rate of CO2 absorption of a phase‐separation absorbent 査読有り

    Takehiro Esaki, Hiroshi Machida, Koyo Norinaga

    Journal of Advanced Manufacturing and Processing     頁: 1 - 7   2019年8月

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    担当区分:責任著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1002/amp2.10033

  31. Quantitative Analyses of Chemical Structural Change and Gas Generation Profile of Coal upon Heating toward Gaining New Insights for Coal Pyrolysis Chemistry

    Fukuoka Tetsuya, Takeda Norihiro, Zhang Lu, Machida Hiroshi, Zhang Wei, Watanabe Masahiko, Nishibata Yuko, Hayashi Jun-ichiro, Norinaga Koyo

    ISIJ INTERNATIONAL   59 巻 ( 8 ) 頁: 1376-1381   2019年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.2355/isijinternational.ISIJINT-2018-816

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  32. An approach for quantifying transferable hydrogen in pyrolyzing coals

    Norinaga K., Fukuoka T., Machida H., Zhang W.

    36th Annual International Pittsburgh Coal Conference: Clean Coal-Based Energy/Fuels and the Environment, PCC 2019     2019年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:36th Annual International Pittsburgh Coal Conference: Clean Coal-Based Energy/Fuels and the Environment, PCC 2019  

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  33. Reducing energy required for CO<inf>2</inf> separation and recovery process by employing phase separation solvents

    Norinaga K., Nishio H., Khuyen T., Machida H.

    36th Annual International Pittsburgh Coal Conference: Clean Coal-Based Energy/Fuels and the Environment, PCC 2019     2019年

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:36th Annual International Pittsburgh Coal Conference: Clean Coal-Based Energy/Fuels and the Environment, PCC 2019  

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  34. Low temperature swing process for CO2 absorption-desorption using phase separation CO2 capture solvent

    Machida Hiroshi, Ando Ryuya, Esaki Takehiro, Yamaguchi Tsuyoshi, Horizoe Hirotoshi, Kishimoto Akira, Akiyama Katsuya, Nishimura Makoto

    INTERNATIONAL JOURNAL OF GREENHOUSE GAS CONTROL   75 巻   頁: 1 - 7   2018年8月

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    記述言語:日本語   掲載種別:研究論文(学術雑誌)   出版者・発行元:International Journal of Greenhouse Gas Control  

    We have developed a phase separation solvent which transforms into two liquid phases after CO2 absorption, in order to establish an energy-saving CO2 capture process. The CO2 loading changes strongly with temperature increase during the phase separation, which enables us to reduce the temperature difference between absorber and desorber. The low temperature swing process economizes the energy requirement for the CO2 capture process with highly-effective reaction-heat recovery. We evaluated the energy consumption of the CO2 capture process with our novel phase separation solvent based on the CO2 solubility. The energy requirement was estimated to be as low as 1.6 GJ/ton-CO2.

    DOI: 10.1016/j.ijggc.2018.05.010

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  35. Shear Viscosity and Heterogeneous Structure of Alkylaminoethanol-Based CO2 Absorbents

    Yamaguchi Tsuyoshi, Ando Ryuya, Yoshida Koji, Yamaguchi Toshio, Machida Hiroshi

    JOURNAL OF PHYSICAL CHEMISTRY B   122 巻 ( 14 ) 頁: 4045-4050   2018年4月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1021/acs.jpcb.8b00946

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  36. Development of phase separation solvent for CO2 capture by aqueous (amine plus ether) solution

    Machida Hiroshi, Oba Kazuki, Tomikawa Takashi, Esaki Takehiro, Yamaguchi Tsuyoshi, Horizoe Hirotoshi

    JOURNAL OF CHEMICAL THERMODYNAMICS   113 巻   頁: 64-70   2017年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.jct2017.05.043

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  37. 過酸化水素の予熱条件が流通式メタン水熱部分酸化改質反応に与える影響 査読有り

    織田 耕彦, 町田 洋, 堀添 浩俊

    化学工学論文集   43 巻 ( 5 ) 頁: 342-346   2017年9月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1252/kakoronbunshu.43.342

  38. Partial Oxidation of Methane by Fenton Reaction under Hydrothermal Environment 査読有り

    Yasuhiko ORITA, Hiroshi MACHIDA, Hirotoshi HORIZOE

    Journal of the Japan Institute of Energy   96 巻 ( 8 ) 頁: 339-345   2017年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.3775/jie.96.339

  39. Phase Separation Solvent for CO2 Capture 査読有り

    Hiroshi Machida, Takehiro Esaki, Kazuki Oba, Takashi Tomikawa, Tsuyoshi Yamaguchi, Hirotoshi Horizoe

    Energy Procedia   114 巻   頁: 823-826   2017年7月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.egypro.2017.03.1224

  40. Effect of Preheating Conditions of Hydrogen Peroxide on Flow-Type Hydrothermal Partial Oxidation of Methane

    Orita Yasuhiko, Machida Hiroshi, Horizoe Hirotoshi

    KAGAKU KOGAKU RONBUNSHU   43 巻 ( 5 ) 頁: 342-346   2017年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1252/kakoronbunshu.43.342

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  41. Biomass Pretreatment with Hydrothermal Explosion for Bioethanol Production 査読有り

    Machida, Hiroshi Honda, Yurie Saito, Masahiro Horizoe, Hirotoshi

      96 巻 ( 9 ) 頁: 386-392   2017年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.3775/jie.96.386

  42. Hydrogen Peroxide and Carbon Dioxide Effect on Biomass Hydrothermal Treatment 査読有り

    Hiroshi MACHIDA, Masahiro SAITO, and Hirotoshi HORIZOE

    Journal of the Japan Institute of Energy   95 巻 ( 639 ) 頁: 644   2016年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  43. Modeling of CO2 Solubility in Tertiary Amine Solvents Using pKa 査読有り

    Hiroshi Machida, Hidetaka Yamada, Shin Yamamoto

    Journal of Chemical & Engineering Data   61 巻   頁: 2144-2148   2016年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  44. High efficiency metal removal from hexane-extracted algae oil using super and subcritical propane 査読有り

    Hiroshi Machida, Hirotoshi Horizoe

    Energy Conversion and Management   95 巻   頁: 90   2015年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  45. CO2 Solubility Measurements and Modeling for Tertiary Diamines 査読有り

    Hiroshi Machida, Hidetaka Yamada, Yuichi Fujioka, Shin Yamamoto

    Journal of Chemical & Engineering Data   60 巻   頁: 814   2015年

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  46. High pressure vapor liquid equilibria measurements and modeling of butane ethanol system and isobutane ethanol system 査読有り

    H. Machida, K. Matsumura, H. Horizoe

    Fluid Phase Equilibria   375 巻   頁: 176-180   2014年5月

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  47. Production of 5-hydroxymethylfurfural from corn stalk catalyzed by corn stalk-derived carbonaceous solid acid catalyst 査読有り

    Lulu Yan, Nian Liu, Yu Wang, Hiroshi Machida, Xinhua Qi

    Bioresource Technology   173 巻   頁: 462   2014年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  48. Development of chemical CO2 solvent for high-pressure CO2 capture 査読有り

    Shin Yamamoto, Hiroshi Machida, Yuichi Fujioka, Takayuki Higashii

    Energy Procedia   37 巻   頁: 505-517   2013年

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  49. Green chemical processes with supercritical fluids: Properties, materials, separations and energy 査読有り

    Hiroshi Machida, Masafumi Takesue, Richard L. Smith Jr.

    The Journal of Supercritical Fluids   60 巻 ( SI ) 頁: 2-15   2011年12月

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    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.supflu.2011.04.016

  50. Correlation of supercritical CO2-ionic liquid vapor-liquid equilibria with the e*-modified Sanchez-Lacombe equation of state 査読有り

    Masayuki Iguchi, Hiroshi Machida, Yoshiyuki Sato and Richard L. Smith, Jr.

    ASIA-PACIFIC JOURNAL OF CHEMICAL ENGINEERING   7 巻   頁: S95-S100   2011年10月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  51. Infinite dilution partition coefficients of benzene derivative compounds in supercritical carbon dioxide + ionic liquid systems: 1-butyl-3-methylimidazolium chloride [bmim][Cl], 1-butyl-3-methylimidazolium acetate [bmim][Ac] and 1-butyl-3-methylimidazolium octylsulfate [bmim][OcSO4] 査読有り

    Yuya Hiraga, Wataru Endo, Hiroshi Machida, Yoshiyuki Sato, Taku Michael Aida, Masaru Watanabe, Richard L. Smith Jr.

    The Journal of Supercritical Fluids     2011年8月

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    記述言語:英語   掲載種別:研究論文(学術雑誌)  

    DOI: 10.1016/j.supflu.2011.08.003,

  52. Simple modification of the temperature dependence of the Sanchez-Lacombe equation of state 査読有り

    Hiroshi Machida, Yoshiyuki Sato, Richard L. Smith Jr.

    Fluid Phase Equilibria   297 巻 ( 2 ) 頁: 25   2010年10月

     詳細を見る

    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  53. Ionic liquid structural effects on solute partitioning in biphasic ionic liquid and supercritical carbon dioxide systems 査読有り

    Hiroshi Machida, Toru Kawasumi, Wataru Endo, Yoshiyuki Sato, Richard L. Smith Jr.

    Fluid Phase Equilibria   294 巻 ( 1-2 ) 頁: 15   2010年7月

     詳細を見る

    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  54. Measurement and correlation of high pressure densities of ionic liquids, 1-ethyl- 3-methylimidazolium L-lactate ([emim][Lactate]), 2-hydroxyethyl-trimethylammonium L-lactate ([(C2H4OH)(CH3)3N][Lactate]), and 1-butyl-3- methylimidazolium chloride ([bmim][Cl]) 査読有り

    Hiroshi Machida, Ryosuke Taguchi, Yoshiyuki Sato and Richard L. Smith, Jr.

    Journal of Chemical & Engineering Data   56 巻 ( 4 ) 頁: 923-928   2010年

     詳細を見る

    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  55. Analysis of ionic liquid PVT behavior with a Modified Cell Model 査読有り

    Hiroshi Machida, Ryosuke Taguchi, Yoshiyuki Sato, Richard L. Smith Jr.

    Fluid Phase Equilibria   281 巻 ( 2 ) 頁: 25   2009年7月

     詳細を見る

    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  56. High-Pressure Densities of 1-Alkyl-3-methylimidazolium Hexafluorophosphates and 1-Alkyl-3-methylimidazolium Tetrafluoroborates at Temperatures from (313 to 473) K and at Pressures up to 200 MPa 査読有り

    Ryosuke Taguchi, Hiroshi Machida, Yoshiyuki Sato and Richard L. Smith, Jr.

    Journal of Chemical & Engineering Data   54 巻 ( 1 ) 頁: 22   2009年

     詳細を見る

    記述言語:英語   掲載種別:研究論文(学術雑誌)  

  57. Measurement and correlation of supercritical CO2 and ionic liquid systems for design of advanced unit operations 査読有り

    Hiroshi Machida, Ryosuke Taguchi, Yoshiyuki Sato, Louw J. Flourusse, Cor J. Peters, Richard L. Smith, Jr.

    Frontiers of Chemical Engineering in China   3 巻 ( 1 ) 頁: 12   2009年

     詳細を見る

    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  58. Pressure-volume-temperature (PVT) measurements of ionic liquids ([bmim+][PF6 -], [bmim+][BF4 -], [bmim+][OcSO4 -]) and analysis with the Sanchez-Lacombe equation of state 査読有り

    Hiroshi Machida, Yoshiyuki Sato, Richard L. Smith Jr.

    Fluid Phase Equilibria   264 巻 ( 1-2 ) 頁: 1   2008年3月

     詳細を見る

    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

  59. Measurement and correlation of infinite dilution partition coefficients of aromatic compounds in the ionic liquid 1-butyl-3-methyl-imidazolium hexafluorophosphate ([bmim][PF6])-CO2 system at temperatures from 313 to 353 K and at pressures up to 16 MPa 査読有り

    Hiroshi Machida, Yoshiyuki Sato, Richard L. Smith Jr.

    The Journal of Supercritical Fluids   43 巻 ( 3 ) 頁: 430   2008年

     詳細を見る

    担当区分:筆頭著者   記述言語:英語   掲載種別:研究論文(学術雑誌)  

▼全件表示

書籍等出版物 12

  1. 化学技術のフロンティアシリーズ① サーキュラー・バイオエコノミーを支える分離技術

    ( 担当: 分担執筆)

    学術研究出版  2022年2月 

     詳細を見る

    記述言語:日本語

  2. 脱炭素への工学

    ( 担当: 分担執筆)

    三恵社  2021年12月 

     詳細を見る

    記述言語:日本語

  3. 水素を用いた省エネルギーCO2回収技術

    町田 洋・柳瀬 慶一・チャン クウィン・山口 毅・則永 行庸( 担当: 共著)

    クリーンエネルギー   2020年10月 

  4. メタネーション大規模実証に向けた 基盤研究およびCO2分離回収と 利用の統合プロセスに関する研究開発

    則永行庸、張煒、チェチョルヨン 柳瀬慶一、チャンクウィン、町田洋

    2020年7月 

  5. CO2循環利用に向けたCO2回収プロセス

    町田洋, 江﨑丈裕,山口毅, 則永行庸

    分離技術  2019年 

  6. 相分離型吸収剤を用いた省エネルギーCO2分離回収プロセスに関して

    町田洋 江﨑丈裕 山口毅

    シンポジウムシリーズ第2集「分離技術のシーズとライセンス技術の実用化」  2018年3月 

  7. 相分離を利用した二酸化炭素の 省エネルギー分離技術

    町田 洋・江﨑丈裕・山口 毅

    化学工業  2018年2月 

  8. 相分離型CO2 吸収剤の開発

    町田洋, 江﨑丈裕,山口毅, 則永行庸

    分離技術  2017年 

  9. 水熱爆砕による草木質系バイオマスの糖化前処理技術

    町田 洋, 堀添 浩俊( 担当: 共著)

    2012年 

     詳細を見る

    記述言語:日本語

  10. Novel AmineSolution Development for High Pressure CO2 Capture and Application Examination to IGCC Gas

    Shin Yamamoto, Hiroshi Machida, Yuichi Fujioka, Takayuki Higasii, Shingo Kazama( 担当: 単著)

    Amirican Chemical Society  2012年 

     詳細を見る

    記述言語:日本語

  11. イオン液体を用いた分離精製技術の現状と展開

    町田 洋・金久保 光央( 担当: 共著)

    化学工学  2011年7月 

     詳細を見る

    記述言語:日本語

  12. CO2共存下でのイオン液体のマクロ物性

    町田 洋・佐藤 善之・R. L. SMITH, JR.( 担当: 共著)

    化学工学  2011年6月 

     詳細を見る

    記述言語:日本語

▼全件表示

講演・口頭発表等 34

  1. EasyMaxとReactIRによるCO2吸収液のリアルタイムモニタリング 招待有り

    町田洋

    メトラートレド ライブウェビナー 自動合成装置とIn Situ分析 

     詳細を見る

    開催年月日: 2022年2月

    会議種別:口頭発表(招待・特別)  

  2. 化学・物理吸収法による CO2分離回収 招待有り

    町田洋

    化学工学会進歩講習会 

     詳細を見る

    開催年月日: 2021年12月

    会議種別:公開講演,セミナー,チュートリアル,講習,講義等  

  3. 今、注目される CO2 の分離回収と有効利用 招待有り

    町田洋

    東海化学工業会セミナー CO2 削減に関する研究開発の最前線 

     詳細を見る

    開催年月日: 2021年11月

    記述言語:日本語   会議種別:口頭発表(招待・特別)  

  4. CO2 capture with hybrid absorption-sublimation system: Cryo-Capture 国際会議

    Hiroshi Machida

    PCCC6 IEAGHG 6th Post Combustion Capture Conference 

     詳細を見る

    開催年月日: 2021年10月

    会議種別:口頭発表(一般)  

  5. High Throughput CO2 Solubility Measurement in Amine Solution using HS-GC 国際会議

    Hiroshi Machida

     詳細を見る

    開催年月日: 2021年9月

    会議種別:口頭発表(一般)  

  6. 相分離型CO2吸収剤の評価に向けた装置・モデル開発 招待有り

    町田洋

    技術情報協会 二酸化炭素の分離材料と回収技術の開発 

     詳細を見る

    開催年月日: 2021年8月

    会議種別:口頭発表(招待・特別)  

  7. CO2回収の現状と将来 招待有り

    町田洋

    人とくるまのテクノロジー展2021名古屋 

     詳細を見る

    開催年月日: 2021年6月 - 2021年7月

    会議種別:口頭発表(招待・特別)  

  8. 水素を用いた省エネルギーCO2回収と有効利用技術開発

    町田洋

    技術情報センター「CO2有効利用技術と開発・事業動向」 

     詳細を見る

    開催年月日: 2021年2月

  9. 新規開発吸収液の物性測定、モデル化及びプロセス解析に関して

    町田洋

    化学工学会CCUS研究会セミナー「CO2分離回収プロセスのモデル化・コスト評価」 

     詳細を見る

    開催年月日: 2020年12月

  10. Integrated Process for CO2 Capture and Utilization using Phase Separation Solvent

    Hiroshi Machida

     詳細を見る

    開催年月日: 2020年10月

  11. Improvement of energy efficiency in carbon dioxide capture by phase separation solvent

    Hiroshi Machida

    International Symposium on Innovative Materials and Processes in Energy Systems IMPRES2019 

     詳細を見る

    開催年月日: 2019年10月

  12. Reducing energy required for CO<inf>2</inf> separation and recovery process by employing phase separation solvents

    Norinaga K.

    36th Annual International Pittsburgh Coal Conference: Clean Coal-Based Energy/Fuels and the Environment, PCC 2019 

     詳細を見る

    開催年月日: 2019年

    記述言語:英語   会議種別:口頭発表(一般)  

    Scopus

  13. An approach for quantifying transferable hydrogen in pyrolyzing coals

    Norinaga K.

    36th Annual International Pittsburgh Coal Conference: Clean Coal-Based Energy/Fuels and the Environment, PCC 2019 

     詳細を見る

    開催年月日: 2019年

    記述言語:英語   会議種別:口頭発表(一般)  

    Scopus

  14. Development of energy-saving CO2 capture process using phase separation solvent 国際会議

    Hiroshi Machida, Esaki Takehiro, Tsuyoshi Yamaguchi, Koyo Norinaga, Akira Kishimoto, Akira Matsuoka, Katsuya Akiyama, Makoto Nishimura

    ICSST2017 

     詳細を見る

    開催年月日: 2017年11月

    記述言語:英語   会議種別:口頭発表(一般)  

    国名:日本国  

  15. Study on energy consumption of CO2 capture process with phase separation solvents 国際会議

    Takehiro Esaki, Hiroshi Machida, Ryuya Ando, Tsuyoshi Yamaguchi and Koyo Norinaga

    ICMaSS2017 

     詳細を見る

    開催年月日: 2017年9月

    記述言語:英語   会議種別:口頭発表(一般)  

    国名:日本国  

  16. CO2 capture with phase separation type solvent 国際会議

    Hiroshi Machida, Esaki Takehito, Tsuyoshi Yamaguchi, Koyo Norinaga

    ICCS&T 2017 

     詳細を見る

    開催年月日: 2017年9月

    記述言語:英語   会議種別:口頭発表(一般)  

    開催地: Beijing   国名:日本国  

  17. 相分離型CO2吸収液の輸送物性

    安藤竜也、山口毅、髙見誠一、江崎丈裕、町田洋、則永行庸

    化学工学会第49回秋季大会 

     詳細を見る

    開催年月日: 2017年9月

    記述言語:英語   会議種別:口頭発表(一般)  

    国名:日本国  

  18. Experimental Evaluation of CO2 absorption rate with Amine-H2O-Ether absorbents 国際会議

    Takehiro Esaki, Hiroshi Machida, Tatuya Ando, Tsuyoshi Yamaguchi, Koyo Norinaga

    The 17th APCChE 

     詳細を見る

    開催年月日: 2017年8月

    記述言語:英語   会議種別:口頭発表(一般)  

    開催地:Hong Kong   国名:日本国  

  19. 相分離型CO2吸収材を用いた吸収速度の実験評価

    江崎 丈裕,安藤 竜也,山口 毅,堀添 浩俊,町田 洋

    第 22 回動力・エネルギー技術シンポジウム 

     詳細を見る

    開催年月日: 2017年6月

    記述言語:日本語   会議種別:口頭発表(一般)  

    国名:日本国  

  20. 二液相分離型吸収法による CO2 回収装置の提案とその実証評価

    江崎丈裕, 山口毅, 町田洋, 則永行庸

    分離技術会年会 2017 

     詳細を見る

    開催年月日: 2017年5月

    記述言語:日本語   会議種別:口頭発表(一般)  

    開催地:明治大学理工学部 生田キャンパス   国名:日本国  

  21. Evaluation of Consumption Energy in CO2 Absorption Processes with Two-Liquid Phase Separation Type 招待有り 国際会議

    Takehiro Esaki, Hiroshi Machida, Hirotoshi Horizoe and Tsuyoshi Yamaguchi

    2016 AIChe Annual Meeting 

     詳細を見る

    開催年月日: 2016年11月

    記述言語:英語   会議種別:口頭発表(一般)  

    国名:アメリカ合衆国  

  22. Phase separation solvent for CO2 capture 国際会議

    Hiroshi Machida, Takehiro Esaki, Kazuki Oba, Takashi Tomikawa, Tsuyoshi Yamaguchi, Hirotoshi Horizoe

    13th Conference on Greenhouse Gas Control Technologies (GHGT) 

     詳細を見る

    開催年月日: 2016年11月

    記述言語:英語   会議種別:口頭発表(一般)  

    国名:スイス連邦  

  23. CO2 solubility of phase separation CO2 capture solvent 国際会議

    Hiroshi Machida, Kazuki Oba, Tsuyoshi Yamaguchi, Hirotoshi Horizoe

    ATPC2016 | The 11th Asian Thermophysical Properties Conference 

     詳細を見る

    開催年月日: 2016年10月

    記述言語:英語   会議種別:ポスター発表  

    開催地:Pacifico YOKOHAMA Annex Hall   国名:日本国  

  24. 相分離型吸収液中のCO2溶存形態と平衡物性の研究 国際会議

    安藤竜也、山口毅、江崎丈裕、堀添浩俊、町田洋

    化学工学会 第48秋季大会 

     詳細を見る

    開催年月日: 2016年9月

    記述言語:日本語   会議種別:ポスター発表  

    国名:日本国  

  25. 相分離型CO2吸収剤の探索および平衡物性測定 招待有り

    町田洋、富川隆志、山口毅、堀添浩俊

    分離技術会 年会2016 

     詳細を見る

    開催年月日: 2016年5月

    記述言語:日本語   会議種別:口頭発表(一般)  

    開催地:日本大学生産工学部津田沼キャンパス   国名:日本国  

  26. 亜臨界ブタン溶媒抽出法によるバイオブタノール濃縮脱水技術の開発

    町田洋、渡部彰夫、中田直貴、堀添浩俊

    分離技術会 年会2016 

     詳細を見る

    開催年月日: 2016年5月

    記述言語:日本語   会議種別:口頭発表(一般)  

    国名:日本国  

  27. ブタン・エタノール・水・微量不純物系における高圧相平衡基礎研究

    中田 直貴、町田 洋、堀添 浩俊

    分離技術会 年会2015 

     詳細を見る

    開催年月日: 2015年5月

    記述言語:日本語   会議種別:口頭発表(一般)  

    国名:日本国  

  28. 相転移を利用したCO2分離吸収剤の探索研究 国際会議

    町田 洋、富川 隆志、堀添 浩俊

    分離技術会 年会2015 

     詳細を見る

    開催年月日: 2015年5月

    記述言語:日本語   会議種別:ポスター発表  

    国名:日本国  

  29. Energy-saving bioethanol dehydration with extractive distillation 国際会議

    Hiroshi Machida, Miyoshi Kengo, Hirotoshi Horizoe

    Grand Renewable Energy 2014 

     詳細を見る

    開催年月日: 2014年7月

    記述言語:英語   会議種別:ポスター発表  

    国名:日本国  

  30. 超亜臨界プロパンによる藻類からの精製油回収技術

    町田 洋、堀添 浩俊

    第3回 JACI/GSCシンポジウム 

     詳細を見る

    開催年月日: 2014年5月

    記述言語:日本語   会議種別:ポスター発表  

    国名:日本国  

  31. 水熱酸化反応によるバイオエタノール蒸留廃水の無害化研究

    藤根涼、町田 洋、堀添 浩俊

    第3回 JACI/GSCシンポジウム 

     詳細を見る

    開催年月日: 2014年5月

    記述言語:日本語   会議種別:ポスター発表  

    国名:日本国  

  32. Biomass pretreatment with hydrothermal decomposition for bioethanol production 国際会議

    H. Machida, Y. Honda, M. Saito, T. Hasegawa, H. Horizoe

    ISETS'13 

     詳細を見る

    開催年月日: 2013年12月

    記述言語:英語   会議種別:ポスター発表  

    国名:日本国  

  33. Bioethanol dehydration with an extractive distillation process using butane 国際会議

    Hiroshi Machida, Kentaro Matsumura, Reisa Ohashi and Horizoe Hirotoshi

    MTMS'12 (The 6th international symposium on "Molecular Thermodynamics and Molecular Simulation") 

     詳細を見る

    開催年月日: 2012年9月

    記述言語:英語   会議種別:口頭発表(一般)  

    国名:日本国  

  34. ブタン溶剤を用いたバイオエタノール濃縮脱水省エネルギー化

    町田洋、松村健太郎、堀添浩俊

    化学工学会 第44回秋季大会 

     詳細を見る

    開催年月日: 2012年9月

    記述言語:日本語   会議種別:口頭発表(一般)  

    国名:日本国  

▼全件表示

共同研究・競争的資金等の研究課題 6

  1. 水素で二酸化炭素を効率回収

    2021年11月 - 2022年10月

    異能vationプログラム「破壊的な挑戦部門」 

      詳細を見る

    担当区分:研究代表者 

  2. 未利用冷熱による燃焼ガス中CO2の回収技術の開発

    2020年6月 - 2022年3月

    NEDO先導研究プログラム/エネルギー・環境新技術先導研究プログラム 

      詳細を見る

    担当区分:研究代表者 

  3. 相分離型省エネルギーCO2吸収剤の開発

    2018年11月 - 2022年3月

    戦略的創造研究推進事業 先端的低炭素化技術開発 ALCA (実用技術化) 

    町田 洋

      詳細を見る

    資金種別:競争的資金

    温室効果ガスであるCO2の大気への排出削減技術として、大規模排出源からCO2を分離貯留する技術が実効性の高い技術として注目されています。ここで、排出源からのCO2の分離エネルギーが大きいことが課題のひとつでしたが、研究者の提案する相分離型CO2吸収剤はCO2吸収時に相分離を引き起こし、CO2濃縮相を形成することで従来よりも大幅な省エネ化が可能となります。

  4. 相分離型省エネルギーCO2吸収剤の開発

    2015年10月 - 2019年3月

    戦略的創造研究推進事業 先端的低炭素化技術開発 ALCA (革新技術領域) 

    町田 洋

      詳細を見る

    資金種別:競争的資金

    温室効果ガスであるCO2の大気への排出削減技術として、大規模排出源からCO2を分離貯留する技術が実効性の高い技術として注目されています。ここで、排出源からのCO2の分離エネルギーが大きいことが課題のひとつでしたが、研究者の提案する相分離型CO2吸収剤はCO2吸収時に相分離を引き起こし、CO2濃縮相を形成することで従来よりも大幅な省エネ化が可能となります。

  5. 亜臨界ブタン溶媒抽出法によるバイオブタノール濃縮脱水技術の開発

    2015年10月 - 2016年9月

    マッチングプランナー 

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    資金種別:競争的資金

  6. 水熱爆砕と固体酸の併用によるバイオマスの高効率糖化技術の開発

    2012年11月 - 2013年10月

    JST A-STEP 

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    資金種別:競争的資金

▼全件表示

科研費 2

  1. 有機廃棄物再生プロセスの革新に向けた複雑反応解析基盤の確立

    研究課題/研究課題番号:22H00570  2022年4月 - 2027年3月

    科学研究費助成事業  基盤研究(A)

    則永 行庸, 福本 一生, 平山 幹朗, 町田 洋

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    担当区分:研究分担者 

    有機廃棄物(林地残材、農業廃棄物、可燃ごみ、廃プラスチック等)のエネルギー・物質
    リサイクルの限界までの高効率化を実現するために、廃棄物熱化学転換特性を高精度に机
    上予測するための「複雑反応解析基盤」を確立する。多種多様な廃棄物原料の熱化学転換反応を統一的に予測できる反応速度モデルを構築する。次いで、詳細な化学反応と伝熱・流動数値解析を統合した反応器内現象の高精度シミュレーションによって、現象を深層まで理解する手法を確立する。さらに、この従来型の順解析の追究がもたらす反応器内現象の通暁を逆解析し、最適反応器設計のための工学的手法へと止揚させる。

  2. 相分離型二酸化炭素吸収剤の吸収速度論のモデル化

    2016年4月 - 2017年3月

    科学研究費補助金  若手研究(B)

    町田 洋

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    担当区分:研究代表者 

 

担当経験のある科目 (本学) 4

  1. 学生実験2

    2021

  2. 学生実験1

    2021

  3. 先端物理化学演習2

    2021

  4. 先端物理化学演習1

    2021

 

社会貢献活動 1

  1. 第23 回「化学工学物性定数の最近の動向」講演会

    2013年7月

メディア報道 2

  1. 再エネ水素を使って高効率にCO2を回収、名古屋大 新聞・雑誌

    メガソーラービジネス  2020年6月

  2. 名大、水素を用いた省エネルギーCO2回収技術を開発 新聞・雑誌

    日本経済新聞  2020年6月