CO2 as moderator for biomass gasification

被引:52
作者
Pohorely, M. [1 ,2 ]
Jeremias, M. [1 ,2 ]
Svoboda, K. [1 ]
Kamenikova, P. [1 ]
Skoblia, S. [3 ]
Beno, Z. [3 ]
机构
[1] Acad Sci Czech Republ, Inst Chem Proc Fundamentals, CR-16502 Prague 6, Suchdol, Czech Republic
[2] Prague Inst Chem Technol, Dept Power Engn, CR-16628 Prague 6, Czech Republic
[3] Prague Inst Chem Technol, Dept Gas Coke & Air Protect, CR-16628 Prague 6, Czech Republic
关键词
Dolomite; Limestone; Catalyst; Fluidized bed; Primary measures; FLUIDIZED-BED GASIFICATION; GAS-PRODUCTION; PINE SAWDUST; HOT GAS; COAL; STEAM; TAR; DECOMPOSITION;
D O I
10.1016/j.fuel.2013.09.068
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
Biomass can be converted into gaseous fuel by high-temperature reactions with a gasifying agent. The gasifying agent consists, in most cases, of oxygen and of a moderator, which is usually water vapour. Here we show that waste CO2 can be used instead of, or together with, water vapour to moderate the process of biomass gasification in a catalytic fluidized bed of dolomitic limestone. Such use of CO2 increased substantially the carbon and energy conversion efficiency and decreased the amount of tars in the produced gas. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码:198 / 205
页数:8
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