Effects of atmospheric gas composition and temperature on the gasification of coal in hot briquetting carbon composite iron ore

Yasuaki Ueki, Masao Kanayama, Takayuki Maeda, Koki Nishioka, Masakata Shimizu

研究成果: ジャーナルへの寄稿記事

4 引用 (Scopus)

抄録

The gasification behavior of carbon composite iron ore produced by hot briquetting process was examined under various gas atmospheres such as CO-N 2, CO2-N2 and CO-CO2 at various temperatures. The gasification of coal was affected strongly by atmospheric gas concentration and reaction temperature. Kinetic analysis in various gas atmospheres was carried out by using the first order reaction model, which yields the straight line relation between reaction rate constants for the gasification of coal and the gas concentration. Therefore, reaction rate constants for the gasification of coal in CO-CO2-N2 gas atmosphere were written as follows; kc1=a×kc1(CO) +b×kc1(CO2)+c×kc1(N2) kc2=a×kc2(CO)+b×kc2(CO 2)+c×kc2(N2) a=CCO/(C CO+CCO2+CN2), b=CCO2/(C CO+CCO2+CN2), c=CN2/(C CO+CCO2+CN2) where, kC1 and k C2 are the gasification rate constant of the first half(1/s) and the latter half(1/s) respectively, kC1(CO), kC1(CO 2) and kC1(N2) are kC1 in 100% CO gas atmosphere (1/s), 100% CO2 gas atmosphere (1/s) and 100% N 2 gas atmosphere (1/s) respectively, kC2(CO), k C2(CO2) and kC2(N2) are k C2 in 100% CO gas atmosphere (1/s), 100% CO2 gas atmosphere (1/s) and 100% N2 gas atmosphere (1/s) respectively, CCO, CCO2 and CN2 are the concentration of CO gas (vol%), CO2 gas (vol%) and N2 gas (vol%) respectively.

元の言語英語
ページ(範囲)18-22
ページ数5
ジャーナルTetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
93
発行部数1
DOI
出版物ステータス出版済み - 1 1 2007

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Briquetting
atmospheric composition
iron ores
atmospheric temperature
gasification
Coal
Iron ores
gas composition
Carbon Monoxide
gas temperature
Gasification
coal
Carbon
Gases
composite materials
carbon
Composite materials
Chemical analysis
gases
atmospheres

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Metals and Alloys
  • Materials Chemistry

これを引用

Effects of atmospheric gas composition and temperature on the gasification of coal in hot briquetting carbon composite iron ore. / Ueki, Yasuaki; Kanayama, Masao; Maeda, Takayuki; Nishioka, Koki; Shimizu, Masakata.

:: Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan, 巻 93, 番号 1, 01.01.2007, p. 18-22.

研究成果: ジャーナルへの寄稿記事

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title = "Effects of atmospheric gas composition and temperature on the gasification of coal in hot briquetting carbon composite iron ore",
abstract = "The gasification behavior of carbon composite iron ore produced by hot briquetting process was examined under various gas atmospheres such as CO-N 2, CO2-N2 and CO-CO2 at various temperatures. The gasification of coal was affected strongly by atmospheric gas concentration and reaction temperature. Kinetic analysis in various gas atmospheres was carried out by using the first order reaction model, which yields the straight line relation between reaction rate constants for the gasification of coal and the gas concentration. Therefore, reaction rate constants for the gasification of coal in CO-CO2-N2 gas atmosphere were written as follows; kc1=a×kc1(CO) +b×kc1(CO2)+c×kc1(N2) kc2=a×kc2(CO)+b×kc2(CO 2)+c×kc2(N2) a=CCO/(C CO+CCO2+CN2), b=CCO2/(C CO+CCO2+CN2), c=CN2/(C CO+CCO2+CN2) where, kC1 and k C2 are the gasification rate constant of the first half(1/s) and the latter half(1/s) respectively, kC1(CO), kC1(CO 2) and kC1(N2) are kC1 in 100{\%} CO gas atmosphere (1/s), 100{\%} CO2 gas atmosphere (1/s) and 100{\%} N 2 gas atmosphere (1/s) respectively, kC2(CO), k C2(CO2) and kC2(N2) are k C2 in 100{\%} CO gas atmosphere (1/s), 100{\%} CO2 gas atmosphere (1/s) and 100{\%} N2 gas atmosphere (1/s) respectively, CCO, CCO2 and CN2 are the concentration of CO gas (vol{\%}), CO2 gas (vol{\%}) and N2 gas (vol{\%}) respectively.",
author = "Yasuaki Ueki and Masao Kanayama and Takayuki Maeda and Koki Nishioka and Masakata Shimizu",
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T1 - Effects of atmospheric gas composition and temperature on the gasification of coal in hot briquetting carbon composite iron ore

AU - Ueki, Yasuaki

AU - Kanayama, Masao

AU - Maeda, Takayuki

AU - Nishioka, Koki

AU - Shimizu, Masakata

PY - 2007/1/1

Y1 - 2007/1/1

N2 - The gasification behavior of carbon composite iron ore produced by hot briquetting process was examined under various gas atmospheres such as CO-N 2, CO2-N2 and CO-CO2 at various temperatures. The gasification of coal was affected strongly by atmospheric gas concentration and reaction temperature. Kinetic analysis in various gas atmospheres was carried out by using the first order reaction model, which yields the straight line relation between reaction rate constants for the gasification of coal and the gas concentration. Therefore, reaction rate constants for the gasification of coal in CO-CO2-N2 gas atmosphere were written as follows; kc1=a×kc1(CO) +b×kc1(CO2)+c×kc1(N2) kc2=a×kc2(CO)+b×kc2(CO 2)+c×kc2(N2) a=CCO/(C CO+CCO2+CN2), b=CCO2/(C CO+CCO2+CN2), c=CN2/(C CO+CCO2+CN2) where, kC1 and k C2 are the gasification rate constant of the first half(1/s) and the latter half(1/s) respectively, kC1(CO), kC1(CO 2) and kC1(N2) are kC1 in 100% CO gas atmosphere (1/s), 100% CO2 gas atmosphere (1/s) and 100% N 2 gas atmosphere (1/s) respectively, kC2(CO), k C2(CO2) and kC2(N2) are k C2 in 100% CO gas atmosphere (1/s), 100% CO2 gas atmosphere (1/s) and 100% N2 gas atmosphere (1/s) respectively, CCO, CCO2 and CN2 are the concentration of CO gas (vol%), CO2 gas (vol%) and N2 gas (vol%) respectively.

AB - The gasification behavior of carbon composite iron ore produced by hot briquetting process was examined under various gas atmospheres such as CO-N 2, CO2-N2 and CO-CO2 at various temperatures. The gasification of coal was affected strongly by atmospheric gas concentration and reaction temperature. Kinetic analysis in various gas atmospheres was carried out by using the first order reaction model, which yields the straight line relation between reaction rate constants for the gasification of coal and the gas concentration. Therefore, reaction rate constants for the gasification of coal in CO-CO2-N2 gas atmosphere were written as follows; kc1=a×kc1(CO) +b×kc1(CO2)+c×kc1(N2) kc2=a×kc2(CO)+b×kc2(CO 2)+c×kc2(N2) a=CCO/(C CO+CCO2+CN2), b=CCO2/(C CO+CCO2+CN2), c=CN2/(C CO+CCO2+CN2) where, kC1 and k C2 are the gasification rate constant of the first half(1/s) and the latter half(1/s) respectively, kC1(CO), kC1(CO 2) and kC1(N2) are kC1 in 100% CO gas atmosphere (1/s), 100% CO2 gas atmosphere (1/s) and 100% N 2 gas atmosphere (1/s) respectively, kC2(CO), k C2(CO2) and kC2(N2) are k C2 in 100% CO gas atmosphere (1/s), 100% CO2 gas atmosphere (1/s) and 100% N2 gas atmosphere (1/s) respectively, CCO, CCO2 and CN2 are the concentration of CO gas (vol%), CO2 gas (vol%) and N2 gas (vol%) respectively.

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