研究者詳細 - 成瀬　一郎

論文 - 成瀬　一郎

分割表示 526 件中 201 - 220 件目／全件表示 >>

Combustion behaviors of wasted plastics coated around electric cables in electrically heated drop tube furnaces

Nunome Yoko, Matsumoto Hiroshi, Nedjalkov Ivan, Ueki Yasuaki, Yoshiie Ryo, Naruse Ichiro

JOURNAL OF MATERIAL CYCLES AND WASTE MANAGEMENT 20 巻 ( 1 ) 頁： 543 - 551 2018年1月

Case study on removal of heavy metals from waste incineration fly ash by acid leaching method

Yoshiie Ryo, Luo Jinjing, Cao Yinan, Sun Shiqiang, Ueki Yasuaki, Naruse Ichiro

廃棄物資源循環学会研究発表会講演集 29 巻 ( 0 ) 2018年

掲載種別：研究論文（学術雑誌）出版者・発行元：一般社団法人廃棄物資源循環学会

Four kinds of fly ash from three municipal solid incinerators in southern China were examined in this study. The characteristics of fly ash were examined and acid leaching treatment was used to remove heavy metals from samples. The toxicity characteristic leaching procedure (TCLP) was executed to assess the effect of acid leaching method to fly ash samples. The experiment results showed that the contents of Cd and Pb in the original fly ash were higher, which classified them into the hazardous waste list. With the treatment of water washing and acid leaching, all fly ash samples removed heavy metals efficiently and the contents of heavy metals in treated fly ash met the admittance criterion of sanitary landfill.

DOI： 10.14912/jsmcwm.29.0_603

No.1-18 コークスの反応過程における灰粒子特性に及ぼす温度の影響

手島光基, 植木保昭, 義家亮, 成瀬一郎

石炭科学会議発表論文集 55 巻 ( 0 ) 頁： 36 - 37 2018年

掲載種別：研究論文（学術雑誌）出版者・発行元：一般社団法人日本エネルギー学会

One of the important purposes of the coke in the blast furnace is the spacer to ensure the gas and liquid permeability. In other hands, ash particles in coke became slags inside the furnace and these are one of the causes that significantly worsen the permeability. In this study, combustion and gasification experiments of coke were conducted at each experimental temperature. Ash particles in the coke samples were analyzed by using SEM in order to clarify effect of temperatures on ash particles characteristics during combustion and gasification of coke.

DOI： 10.20550/jiesekitanronbun.55.0_36

Na & Ca removal from Zhundong coal by a novel CO2-water leaching method and the ashing behavior of the leached coal

Gao Yaxin, Ding Lizhi, Li Xian, Wang Wenhui, Xue Yi, Zhu Xianqing, Hu Hongyun, Luo Guangqian, Naruse Ichiro, Bai Zongqing, Yao Hong

FUEL 210 巻頁： 8 - 14 2017年12月

Interactions between molten salts and ash components during Zhundong coal gasification in eutectic carbonates

Shen Junhao, Hu Hongyun, Xu Mian, Liu Huan, Xu Kai, Zhang Xiuju, Yao Hong, Naruse Ichiro

FUEL 207 巻頁： 365 - 372 2017年11月

Effect of hydrogen gas addition on combustion characteristics of pulverized coal

Ueki Yasuaki, Yoshiie Ryo, Naruse Ichiro, Matsuzaki Shinroku

FUEL PROCESSING TECHNOLOGY 161 巻頁： 289 - 294 2017年6月

Investigation of fragmentation and coalescence behavior of ash particles in simulated coal combustion

Yoshiie Ryo, Nishimura Hitoshi, Ueki Yasuaki, Naruse Ichiro, Sato Naoki, Ito Takamasa, Choi Wonyoung, Ueno Shunichiro

FUEL PROCESSING TECHNOLOGY 161 巻頁： 101 - 106 2017年6月

Fundamental Combustion Behaviors of Solid Industrial Wastes

Asai Toshihiko, Ueki Yasuaki, Yoshiie Ryo, Naruse Ichiro, Terasaki Junichi, Ueno Naoki

JOURNAL OF THE JAPAN INSTITUTE OF ENERGY 96 巻 ( 6 ) 頁： 167-175 2017年6月

固形産業廃棄物の基礎燃焼挙動

Asai Toshihiko, Ueki Yasuaki, Yoshiie Ryo, Naruse Ichiro, Terasaki Junichi, Ueno Naoki

日本エネルギー学会誌 96 巻 ( 6 ) 頁： 167-175 2017年6月

Energy system simulation of regenerable Molten Alkali Carbonates for gasification of carbonaceous resources

Raharjo S.

ARPN Journal of Engineering and Applied Sciences 12 巻 ( 7 ) 頁： 2306 - 2312 2017年4月

Tar and soot generation behaviors from ABS, PC and PE pyrolysis

Nedjalkov Ivan, Yoshiie Ryo, Ueki Yasuaki, Naruse Ichiro

JOURNAL OF MATERIAL CYCLES AND WASTE MANAGEMENT 19 巻 ( 2 ) 頁： 682 - 693 2017年4月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Journal of Material Cycles and Waste Management

In this study we performed a non-isothermal thermogravimetric analysis on three thermoplastics—ABS, PC and PE. The Coats and Redfern method (Nature 201:68–69, 1964) was then used to approximate the kinetic parameters of each material. In addition, we performed a series of pyrolysis experiments in a batch reactor, for each plastic. The experiments were performed over the temperature range of 600–1000 °C at a constant residence time. The liquid and solid products of the pyrolysis, were collected, separated and weighted. Those products were categorized as soot, tar and char (PC only), and their relative weight to initial sample weight (DAF) was plotted against the temperature. The tar measured was exclusively medium to high molecular weight (>80 g/mol). Results revealed that relative tar and soot production, for all three materials, first increases and then decreases with temperature increase. The maximum achieved tar yields for ABS, PC and PE were at 700, 650 and 800 °C, respectively; and the maximum soot yields were at 1000, 1000, 950 °C, respectively.

DOI： 10.1007/s10163-016-0470-7

Web of Science

Scopus

1-4-1 石炭の低温酸化挙動に及ぼす石炭性状の影響

義家亮, 恩田雅臣, 植木保昭, 成瀬一郎

日本エネルギー学会大会講演要旨集 26 巻 ( 0 ) 頁： 24 - 25 2017年

掲載種別：研究論文（学術雑誌）出版者・発行元：一般社団法人日本エネルギー学会

Consumption of subbituminous coal will be expanded due to its low cost and long minable years around the world. However, a control of spontaneous firing at the stock yard is one of outstanding issues for the utilization of subbituminous coal. Therefore, an objective of this study is the elucidation of low-temperature oxidation behaviors of subbituminous coals. Several subbituminous and bituminous coals were selected as experimental samples for low-temperature oxidation. Mass changes of coal samples were measured by thermos-balance at the temperature between 356K and 476K in 50%N2-50%O2 atmosphere. Differences of molecular structures of coals between before and after low-temperature oxidation were analyzed by FTIR As a result, the aliphatic carbon in the coal was confirmed to react with oxygen, forming carbonyl group.

DOI： 10.20550/jietaikaiyoushi.26.0_24

5-2-1 等温条件における可燃性廃棄物の燃焼挙動

植木保昭, 浅井俊比古, 義家亮, 成瀬一郎, 寺崎淳一, 上野直樹

日本エネルギー学会大会講演要旨集 26 巻 ( 0 ) 頁： 186 - 187 2017年

掲載種別：研究論文（学術雑誌）出版者・発行元：一般社団法人日本エネルギー学会

To elucidate fundamental combustion behaviors of some solid combustible wastes under isothermal conditions, the isothermal combustion experiments are carried out, using an electrically heated vertical batch furnace. The effects of the furnace temperature and the oxygen partial pressure in the reaction atmosphere on the combustion behaviors are studied experimentally and kinetically. As a result, the completion period of the overall combustion decreases with increases of both the furnace temperature and the oxygen partial pressure.

DOI： 10.20550/jietaikaiyoushi.26.0_186

No.1-1 石炭ガス化プロセスにおける微量成分の分配挙動の解明

渥美翔太, 植木保昭, 義家亮, 成瀬一郎

石炭科学会議発表論文集 54 巻 ( 0 ) 頁： 2 - 3 2017年

掲載種別：研究論文（学術雑誌）出版者・発行元：一般社団法人日本エネルギー学会

In this study, we conducted coal gasification experiments by electrical drop tube furnace. In the experiments, we used Low Pressure Impactor (LPI) for the particle sampling in different particle size. Captured particles are dissolved in the acid on each particle size and the trace element concentrations of the solutions in the particles are analyzed by ICP-AES. For the consideration of the result of the experiments, we conducted thermodynamic equilibrium calculations. Calculation results support to investigate the chemical compounds of trace elements in the gasification atmosphere.

DOI： 10.20550/jiesekitanronbun.54.0_2

CO2 Regeneration of Used Alkali Carbonates for High-Temperature Desulfurization in Gasification

Raharjo Slamet, Nedjalkov Ivan, Ueki Yasuaki, Yoshiie Ryo, Naruse Ichiro

ENERGY & FUELS 30 巻 ( 10 ) 頁： 8556 - 8560 2016年10月

Effects of Coal Type on Growth and Shedding of Ash Deposit in Pulverized Coal Combustors

Sato Naoki, Ueno Shunichiro, Priyanto Dedy E., Ohno Emi, Matsuzawa Yoshiaki, Ueki Yasuaki, Yoshiie Ryo, Naruse Ichiro

ENERGY & FUELS 30 巻 ( 7 ) 頁： 6059 - 6069 2016年7月

Capture of Gaseous Mercury by Waste-Derived Particles as Sorbents

Yoshiie Ryo, Ueki Yasuaki, Naruse Ichiro

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 49 巻 ( 3 ) 頁： 312 - 316 2016年3月

掲載種別：研究論文（学術雑誌）出版者・発行元：公益社団法人化学工学会

Flue gases contain elemental mercury formed by combustion/incineration processes, and it is difficult to remove them by conventional gas cleaning devices. Researchers have developed a few sorbent materials to capture gaseous elemental mercury. Our study also found two candidate sorbent materials using low-cost waste derived particles, a paper sludge incineration ash and a carbonized municipal solid waste char. The main objective of this study is to elucidate the capturing mechanisms of gaseous elemental mercury in these two sorbents. In order to analyze the chemical states of the mercury adsorbed on the sorbents, X-ray absorption near edge structure (XANES) analyses of the mercury captured by sorbents are conducted. The XANES spectra of the two sorbents were found to be similar to those of Hg2Cl2 and HgS standard chemicals, while the XANES spectrum of the commercialized activated carbon for mercury capture was similar to that of elemental mercury. These results suggest that the gaseous mercury is captured and fixed on the sorbents via oxidation by chlorine and sulfur present in the sorbents.

DOI： 10.1252/jcej.14we339

Web of Science

Scopus

Gasification Characteristics of Woody Biomass with Mixture Gas of CO2 with H2O

Ueki Yasuaki, Yoshiie Ryo, Naruse Ichiro

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 49 巻 ( 3 ) 頁： 287 - 293 2016年3月

掲載種別：研究論文（学術雑誌）出版者・発行元：公益社団法人化学工学会

The objectives in the present study are to elucidate the fundamental gasification characteristics of woody biomass with a mixture gas of CO2 and H2O. The effects of temperature and gasification agents on the gasification characteristics of woody biomass were experimentally studied using an electrically heated drop tube furnace. The co-gasification performance of CO2 with H2O was compared with the CO2 or H2O gasification performance alone. As a result, H2 and CO concentrations increased with an increase of temperature under both the co- and single-gasification conditions. CO under the co-gasification condition was produced more than under the single-gasification condition. The H2 formation showed the opposite tendency to the CO formation during the co-gasification. This synergistic effect is caused by the difference of the surface structure of the woody biomass particles by CO2 from H2O.

DOI： 10.1252/jcej.14we338

Web of Science

Scopus

Preface to the Special Issue for Energy Engineering

Naruse Ichiro, Ohtomo Junichiro, Qian Eika W., Yoshiie Ryo

JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 49 巻 ( 3 ) 頁： 235 - 235 2016年3月

Development of thermal spraying materials through several corrosion tests for heat exchanger tube of incinerators 査読有り

Juan Chen, Yoshihiko Ninomiya, Hiroshi Naganuma, Yoriaki Sasaki, Manabu Noguchi, Hiromitsu Cho, Yasuaki Ueki, Ryo Yoshiie, Ichiro Naruse

Fuel Processing Technology 141 巻 ( 2 ) 頁： 216-224 2016年1月

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