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Entrained flow gasification of coal/bio-oil slurries

Author

Listed:
  • Feng, Ping
  • Lin, Weigang
  • Jensen, Peter Arendt
  • Song, Wenli
  • Hao, Lifang
  • Raffelt, Klaus
  • Dam-Johansen, Kim

Abstract

Coal/bio-oil slurry (CBS) is a new partial green fuel for bio-oil utilization. CBS reacts with gasification agents at high temperatures and converts into hydrogen and carbon monoxide. This paper provides a feasibility study for the gasification of CBS in an atmospheric entrained flow reactor for syngas production. Experiments have shown that CBS can be successfully processed and gasified in the entrained flow reactor to produce syngas with almost no tar content and low residual carbon formation. High reactor temperature and steam/carbon ratio is favourable for H2 production. At 1400 °C with steam/carbon ratio of 5, the syngas components are similar with that in equilibrium. A synergistic effect exists between coal and bio-oil in coal/bio-oil slurry gasification which might be caused by the catalysis effect of alkali metals and alkaline earth metals in bio-oil.

Suggested Citation

  • Feng, Ping & Lin, Weigang & Jensen, Peter Arendt & Song, Wenli & Hao, Lifang & Raffelt, Klaus & Dam-Johansen, Kim, 2016. "Entrained flow gasification of coal/bio-oil slurries," Energy, Elsevier, vol. 111(C), pages 793-802.
    • Handle: RePEc:eee:energy:v:111:y:2016:i:c:p:793-802
    DOI: 10.1016/j.energy.2016.05.115
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    References listed on IDEAS

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    1. Feng, Ping & Hao, Lifang & Huo, Chaofei & Wang, Ze & Lin, Weigang & Song, Wenli, 2014. "Rheological behavior of coal bio-oil slurries," Energy, Elsevier, vol. 66(C), pages 744-749.
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    1. Feng, Ping & Li, Xiaoyang & Wang, Jinyu & Li, Jie & Wang, Huan & He, Lu, 2021. "The mixtures of bio-oil derived from different biomass and coal/char as biofuels: Combustion characteristics," Energy, Elsevier, vol. 224(C).
    2. Zhong, Hanbin & Xiong, Qingang & Yin, Lina & Zhang, Juntao & Zhu, Yuqin & Liang, Shengrong & Niu, Ben & Zhang, Xinyu, 2020. "CFD-based reduced-order modeling of fluidized-bed biomass fast pyrolysis using artificial neural network," Renewable Energy, Elsevier, vol. 152(C), pages 613-626.
    3. Yi, Shuping & Hao, Lifang & Li, Songgeng & Song, Wenli, 2019. "The influence of water content in rice husk bio-oil on the rheological properties of coal bio-oil slurries," Energy, Elsevier, vol. 189(C).
    4. Zheng, Ji-Lu & Zhu, Ya-Hong & Zhu, Ming-Qiang & Wu, Hai-Tang & Sun, Run-Cang, 2018. "Bio-oil gasification using air - Steam as gasifying agents in an entrained flow gasifier," Energy, Elsevier, vol. 142(C), pages 426-435.
    5. Gu, Suqian & Xu, Zhiqiang & Ren, Yangguang & Tu, Yanan & Sun, Meijie & Liu, Xiangyang, 2021. "An approach for upgrading lignite to improve slurryability: Blending with direct coal liquefaction residue under microwave-assisted pyrolysis," Energy, Elsevier, vol. 222(C).

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