An investigation into steam gasification of biomass for hydrogen enriched gas production in presence of CaO

被引：246

作者：

Acharya, Bishnu ^{[2
]}

Dutta, Animesh ^{[1
]}

Basu, Prabir ^{[2
]}

机构：

[1] Univ Guelph, Sch Engn, Guelph, ON N1G 2W1, Canada

[2] Dalhousie Univ, Dept Mech Engn, Halifax, NS B3J 1Z1, Canada

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2010年 / 35卷 / 04期

关键词：

Biomass; Gasification; Hydrogen; Carbon dioxide capture; Gibbs free energy; Calcium oxide; CARBON-DIOXIDE CAPTURE; BED;

D O I：

10.1016/j.ijhydene.2009.11.109

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Biomass steam gasification could be an attractive option for sustainable hydrogen production. Biomass, regarded as carbon neutral emitter, could be claimed as carbon negative emitter if carbon dioxide produced is captured and not allowed to emit to the environment during the process. Thus here an experimental study is carried out to find out the potential of hydrogen production from steam gasification of biomass in presence of sorbent CaO and effect of different operating parameters (steam to biomass ratio, temperature, and CaO/biomass ratio). Product gas with hydrogen concentration up to 54.43% is obtained at steam/biomass = 0.83, CaO/biomass = 2 and T = 670 degrees C. A drop of 93.33% in carbon dioxide concentration was found at CaO/biomass = 2 as compared to the gasification without CaO. Mathematical model based on Gibbs free energy minimization has been developed and is compared with the experimental results. (C) 2009 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.

引用

页码：1582 / 1589

页数：8

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