Study on Catalytic Effect and Mechanism of Iron-based Catalyst on Biomass Gasification

YU Lei; HU Qiang; ZHANG Jingxin; HE Yiliang

doi:10.6054/j.jscnun.2023015

Journal of South China Normal University (Natural Science Edition) > 2023 > 55(2): 18-25. > DOI: 10.6054/j.jscnun.2023015

YU Lei, HU Qiang, ZHANG Jingxin, HE Yiliang. Study on Catalytic Effect and Mechanism of Iron-based Catalyst on Biomass Gasification[J]. Journal of South China Normal University (Natural Science Edition), 2023, 55(2): 18-25. DOI: 10.6054/j.jscnun.2023015

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Study on Catalytic Effect and Mechanism of Iron-based Catalyst on Biomass Gasification

YU Lei¹,
HU Qiang²,
ZHANG Jingxin^1, ,,
HE Yiliang^{1, 3}

1.
China-UK Low Carbon College, Shanghai Jiao Tong University, Shanghai 201306, China
2.
State Key Laboratory of coal combustion, Huazhong University of Science and Technology, Wuhan 430074, China
3.
School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

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Received Date: April 19, 2022
Available Online: June 13, 2023

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Abstract

Abstract

In order to address such a problem of high yield tar with blockage and corrosion of facilities, iron-based catalyst were introduced in gasification process. In the meantime, the action mechanism of iron-based catalyst was analyzed based on the change of syngas composition in biomass gasification and the role of tar cracking. The results indicated that the yield of hydrogen in syngas elevated from 20.32 mL/g(biomass) to 114.72 mL/g(biomass) after adding iron-based catalyst. The macromolecular polycyclic aromatic hydrocarbons in tar were degraded. Iron as a catalyst propel the degradation reaction of cellulose chain end, which dissolve cellulose into furfural, ketone, furan and other compounds. This study provided a theoretical basis for the application of iron-based catalyst in gasification by confirming the catalytic effect of iron-based catalyst and revealing its catalytic mechanism.
- gasification,
- biomass,
- iron-based catalysis,
- tar decomposition

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