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Catalytic gasification of char from co-pyrolysis of coal and biomass

文献类型：期刊论文

作者Zhu, Wenkui1,2; Song, Wenli1; Lin, Weigang1
刊名FUEL PROCESSING TECHNOLOGY
出版日期2008-09-01
卷号89期号:9页码:890-896
关键词co-pyrolysis catalytic gasification alkali coal straw
ISSN号0378-3820
其他题名Fuel Process. Technol.
中文摘要The catalytic gasification of char from co-pyrolysis of coal and wheat straw was studied. Alkali metal salts, especially potassium salts, are considered as effective catalysts for carbon gasification by steam and CO2, while too expensive for industry application. The herbaceous type of biomass, which has a high content of potassium, may be used as an inexpensive source of catalyst by co-processing with coal. The reactivity of chars from co-pyrolysis of coal and straw was experimentally examined. The chars were prepared in a spout-entrained reactor with different ratios of coal to straw. The gasification characteristics of chars were measured by thermogravimetric analysis (TGA). The co-pyrolysis chars revealed higher gasification reactivity than that of char from coal, especially at high level of carbon conversion. The influence of the alkali in the char and the pyrolysis temperature on the reactivity of co-pyrolysis char was investigated. The experimental results show that the co-pyrolysis char prepared at 750 degrees C have the highest alkali concentration and reactivity. (C) 2008 Elsevier B.V. All rights reserved.
英文摘要The catalytic gasification of char from co-pyrolysis of coal and wheat straw was studied. Alkali metal salts, especially potassium salts, are considered as effective catalysts for carbon gasification by steam and CO2, while too expensive for industry application. The herbaceous type of biomass, which has a high content of potassium, may be used as an inexpensive source of catalyst by co-processing with coal. The reactivity of chars from co-pyrolysis of coal and straw was experimentally examined. The chars were prepared in a spout-entrained reactor with different ratios of coal to straw. The gasification characteristics of chars were measured by thermogravimetric analysis (TGA). The co-pyrolysis chars revealed higher gasification reactivity than that of char from coal, especially at high level of carbon conversion. The influence of the alkali in the char and the pyrolysis temperature on the reactivity of co-pyrolysis char was investigated. The experimental results show that the co-pyrolysis char prepared at 750 degrees C have the highest alkali concentration and reactivity. (C) 2008 Elsevier B.V. All rights reserved.
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Applied ; Energy & Fuels ; Engineering, Chemical
研究领域[WOS]Chemistry ; Energy & Fuels ; Engineering
关键词[WOS]CARBON GASIFICATION ; METAL-CATALYSTS ; ALKALI-METALS ; HEATING RATE ; POTASSIUM ; BED ; REACTIVITY ; CHLORINE ; STRAW ; TEMPERATURE
收录类别SCI
原文出处://WOS:000259719300008
语种英语
WOS记录号WOS:000259719300008
公开日期2013-10-08
版本出版稿
源URL[http://ir.ipe.ac.cn/handle/122111/2935]  
专题过程工程研究所_研究所（批量导入）
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100080, Peoples R China
推荐引用方式
GB/T 7714		 Zhu, Wenkui,Song, Wenli,Lin, Weigang. Catalytic gasification of char from co-pyrolysis of coal and biomass[J]. FUEL PROCESSING TECHNOLOGY,2008,89(9):890-896.
APA Zhu, Wenkui,Song, Wenli,&Lin, Weigang.(2008).Catalytic gasification of char from co-pyrolysis of coal and biomass.FUEL PROCESSING TECHNOLOGY,89(9),890-896.
MLA Zhu, Wenkui,et al."Catalytic gasification of char from co-pyrolysis of coal and biomass".FUEL PROCESSING TECHNOLOGY 89.9(2008):890-896.

入库方式： OAI收割

来源：过程工程研究所

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