Characteristic Research on CaO Sorption Enhanced Biomass Directional Entrained-Flow Gasification

Chao Chen; Jin Song Zhou; Yang Yang Xiang; Zhong Yang Luo

doi:10.4028/www.scientific.net/AMR.953-954.211

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Characteristic Research on CaO Sorption Enhanced Biomass Directional Entrained-Flow Gasification
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 953-954Characteristic Research on CaO Sorption Enhanced...

Characteristic Research on CaO Sorption Enhanced Biomass Directional Entrained-Flow Gasification

Abstract:

As the only renewable energy which can be converted into liquid fuels, biomass has developed various technologies of energy utilization. In order to adjust the syngas composition, increase the ratio of H₂/CO and reduce CO₂ content, this paper conducted biomass gasification experiment in an entrained flow bed on CaO sorption. The paper studied influence factors like the gasification temperature, ratio of CaO/B and gasification parameters, such as ratio of H₂/CO, cold gas efficiency, cold gas yield or tar content in syngas. The result showed that raising gasification temperature or increasing added content of CaO which were beneficial to the improvement of H₂ content. A maximum H₂ output with a concentration of 62.7% and H₂/CO ratio of 3.19 was achieved at CaO/C=1, H₂O/B=0.3 and T=1100°C, meanwhile the cold gas efficiency was 86.07%, the cold gas yield reached 1.2Nm³/kg biomass, and the tar content was dropped to 314.6mg/Nm³.

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Periodical:

Advanced Materials Research (Volumes 953-954)

Pages:

211-215

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.953-954.211

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Online since:

June 2014

Authors:

Chao Chen, Jin Song Zhou*, Yang Yang Xiang, Zhong Yang Luo

Keywords:

Biomass Gasification, Catalytic Gasification, Directional Gasification, High-Temperature Entrained-Flow Bed, Hydrogen Carbon Ratio

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