Hydrogen-rich gas from catalytic steam gasification of biomass in a fixed bed reactor: Influence of particle size on gasification performance

The catalytic steam gasification of biomass was carried out in a lab-scale fixed bed reactor in order to evaluate the effects of particle size at different bed temperatures on the gasification performance. The bed temperature was varied from 600 to 900 °C and the biomass was separated into five diff...

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Veröffentlicht in:International journal of hydrogen energy 2009-02, Vol.34 (3), p.1260-1264
Hauptverfasser: Luo, Siyi, Xiao, Bo, Guo, Xianjun, Hu, Zhiquan, Liu, Shiming, He, Maoyun
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container_end_page 1264
container_issue 3
container_start_page 1260
container_title International journal of hydrogen energy
container_volume 34
creator Luo, Siyi
Xiao, Bo
Guo, Xianjun
Hu, Zhiquan
Liu, Shiming
He, Maoyun
description The catalytic steam gasification of biomass was carried out in a lab-scale fixed bed reactor in order to evaluate the effects of particle size at different bed temperatures on the gasification performance. The bed temperature was varied from 600 to 900 °C and the biomass was separated into five different size fractions (below 0.075 mm, 0.075–0.15 mm, 0.15–0.3 mm, 0.3–0.6 mm and 0.6–1.2 mm). The results show that with decreasing particle size, the dry gas yield, carbon conversion efficiency and H 2 yield increased, and the content of char and tar decreased. And the differences due to particle sizes in gasification performance practically disappear as the higher temperature bound is approached. Hydrogen and carbon monoxide contents in the produced gas increase with decreasing particle size at 900 °C, reaching to 51.2% and 22.4%, respectively.
doi_str_mv 10.1016/j.ijhydene.2008.10.088
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subjects Alternative fuels. Production and utilization
Applied sciences
Biomass
Carbon
Carbon monoxide
Catalysis
Catalysts
Energy
Exact sciences and technology
Fuels
Gasification
Hydrogen
Hydrogen-rich gas
Particle size
Reactors
Steam gasification
title Hydrogen-rich gas from catalytic steam gasification of biomass in a fixed bed reactor: Influence of particle size on gasification performance
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