Gasification of biomass with CO2 and H2O mixtures in a catalytic fluidised bed

被引：37

作者：

Jeremias, M. ^{[1
]}

Pohorely, M. ^{[1
,2
]}

Svoboda, K. ^{[1
,3
]}

Manovic, V. ^{[4
]}

Anthony, E. J. ^{[4
]}

Skoblia, S. ^{[5
]}

Beno, Z. ^{[5
]}

Syc, M. ^{[1
]}

机构：

[1] Acad Sci Czech Republ, Inst Chem Proc Fundamentals, Rozvojova 135, CR-16502 Prague 6, Suchdol, Czech Republic

[2] Univ Chem & Technol Prague, Dept Power Engn, Tech 5, Prague 16628 6, Czech Republic

[3] Univ Jan Evangelista Purkyne, Fac Environm, Kralova Vysina 7, Usti Nad Labem 40096, Czech Republic

[4] Cranfield Univ, Combust Carbon Capture & Storage Ctr, Cranfield MK43 0AL, Beds, England

[5] Univ Chem & Technol Prague, Dept Gas Coke & Air Protect, Tech 5, Prague 16628 5, Czech Republic

来源：

FUEL | 2017年 / 210卷

关键词：

Fluidised bed; Gasification; Catalyst; Dolomite; Limestone; Synergistic effect; COAL CHAR GASIFICATION; STEAM; DECOMPOSITION; COMPETITION; REACTIVITY; KINETICS; CALCIUM; GAS;

D O I：

10.1016/j.fuel.2017.09.006

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：

Steam can be fully or partially substituted by CO2 as a gasification agent. This substitution affects producer gas composition, char conversion and in-situ tar reforming. Here, wood chips were gasified in a spouting fluidised bed using silica sand and catalytic dolomitic lime as the bed material at 850 degrees C. The use of a gasifying agent composed of CO2 and H2O was compared to the use of CO2 or H2O alone. It was found that mixtures of CO2 and H2O as the gasifying agent improve char conversion, and that the combined gasification agents are very effective in ensuring the decomposition/destruction of tars when lime based materials are used in the fluidised bed.

引用

页码：605 / 610

页数：6

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