Kinetic analysis of biomass gasification coupled with non-catalytic reforming to syngas production

WANG Yong-bin; ZHANG Jian; LIANG Wan-cai; CAO Guo-qiang; LI Chun-yu; ZHAO Jian-tao; FANG Yi-tian

doi:10.19906/j.cnki.JFCT.2023022

Volume 51 Issue 7

Jul. 2023

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Article Navigation > Journal of Fuel Chemistry and Technology > 2023 > 51(7): 921-929

WANG Yong-bin, ZHANG Jian, LIANG Wan-cai, CAO Guo-qiang, LI Chun-yu, ZHAO Jian-tao, FANG Yi-tian. Kinetic analysis of biomass gasification coupled with non-catalytic reforming to syngas production[J]. Journal of Fuel Chemistry and Technology, 2023, 51(7): 921-929. doi: 10.19906/j.cnki.JFCT.2023022

Citation:

WANG Yong-bin, ZHANG Jian, LIANG Wan-cai, CAO Guo-qiang, LI Chun-yu, ZHAO Jian-tao, FANG Yi-tian. Kinetic analysis of biomass gasification coupled with non-catalytic reforming to syngas production[J]. Journal of Fuel Chemistry and Technology, 2023, 51(7): 921-929. doi: 10.19906/j.cnki.JFCT.2023022

Citation:

WANG Yong-bin, ZHANG Jian, LIANG Wan-cai, CAO Guo-qiang, LI Chun-yu, ZHAO Jian-tao, FANG Yi-tian. Kinetic analysis of biomass gasification coupled with non-catalytic reforming to syngas production[J]. Journal of Fuel Chemistry and Technology, 2023, 51(7): 921-929. doi: 10.19906/j.cnki.JFCT.2023022

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Kinetic analysis of biomass gasification coupled with non-catalytic reforming to syngas production

doi: 10.19906/j.cnki.JFCT.2023022

1.
State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China
3.
Shanghai Electric Group Guokong Global Engineering Co, Ltd. Taiyuan 030006, China

Funds: The project was supported by the Major Program Science and Technology Foundation of Shanxi Province (20201102006) and Chinese Academy of Sciences Strategic Pilot Project, China (XDA29050100).

Received Date: 2022-09-27
Accepted Date: 2022-11-22
Rev Recd Date: 2022-11-09

Available Online: 2023-03-24

Publish Date: 2023-07-01

Abstract

Abstract

The clean conversion of biomass gasification tar is one of the bottlenecks affecting the large-scale application of biomass gasification. Non-catalytic reforming of raw gas can convert the tar components to CO and H₂, eliminating the tar while increasing the syngas yield. This paper investigated the kinetic behavior of high-temperature non-catalytic reforming of biomass raw gas on the basis of thermodynamic calculations. The reforming temperature and O₂/crude syngas (O/G) ratio are the key factors affecting the reforming process. C₂H₂ gradually accumulated at the beginning of the reaction as an intermediate product of the conversion of CH₄, C₂H₄ and C₆H₆. Subsequently, C₂H₂ converted to CO, ·CH₂, ·CH₃, and ·C₂H₃ under the attack of ·O, ·OH, and HCO·. Increasing the reforming temperature can significantly reduce the time required for complete tar conversion. At a reforming temperature of 1300 ℃, O/G ratio 0.16 and a residence time of 1.5 s, the dry base content of the syngas was 81.07% and the conversion of the tar reached 99.60%.
- biomass gasification,
- non-catalytic reforming,
- thermodynamics,
- kinetics

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References(20)

References

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