Hydrogen production from coal by separating carbon dioxide during gasification

被引：205

作者：

Lin, SY

Harada, M

Suzuki, Y

Hatano, H

机构：

[1] Ctr Coal Utilizat, Shinjuku Ku, Tokyo 1600014, Japan

[2] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058569, Japan

来源：

FUEL | 2002年 / 81卷 / 16期

关键词：

hydrogen; coal; CO2;

D O I：

10.1016/S0016-2361(02)00187-4

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Hydrogen generation during the reaction of a coal/CaO mixture with high pressure steam was investigated using a flow-type reactor. Coal, CaO and CO reactions with steam, and CO2 absorption by Ca(OH)2 or CaO occurred simultaneously in the experiment. It was found that H-2 was the primary resultant gas, comprising about 85% of the reaction products. CO2 was fixed into CaC03 and CO was completely converted to H2. Pyrolysis of the coal/CaO mixture carried out in N-2 was also examined. The pyrolysis gases were compared with gases produced by general coal pyrolysis. While general coal pyrolysis produced about 14.7% H-2, 50.5% CH4, 12.0% CO and 12.0% CO2, the gases produced from coal/CaO mixture pyrolysis were 84.8% H-2, 9.6% CH4, 1.6% CO2 and 1.1% CO. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：2079 / 2085

页数：7

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