Influence of Catalyst and Temperature on Gasification Performance

Abstract:

In the present study the catalytic steam gasification of biomass to produce hydrogen-rich gas with calcined dolomite and Nano-NiO/γ-Al₂O₃ as catalyst in an externally heated fixed bed reactor was investigated. The influence of the catalyst and reactor temperature on gasification performance was studied at the temperature range of 700°C-900°C. Over the ranges of experimental conditions examined, Nano-NiO/γ-Al₂O₃ and calcined dolomite both revealed better catalytic performance, at the presence of steam, tar was completely decomposed as temperature increases from 800°C to 900°C. Higher temperature resulted in more H₂ and CO₂ production, and dry gas yield. The highest H₂ content of 58.27V% and the highest H₂ yield of 2.23 Nm³/ kg biomass were observed at the highest temperature level of 900°C.

• Periodical: Advanced Materials Research (Volume 281)
• Pages: 90-95
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.281.90
• Online since: July 2011
• Authors: Yu Feng, Bo Xiao, Klaus Goerner, Ravi Naidu
• Keywords: Biomass, Catalyst, Hydrogen Rich Gas, Steam Gasification

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