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In-Depth Experimental Study on Thermochemical Conversion of Furan in Molten Alkali Carbonates

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Download Hi-Res ImageDownload to MS-PowerPointCite This:Energy Fuels 2020, 34, 10, 12724-12733
    Biofuels and Biomass

    In-Depth Experimental Study on Thermochemical Conversion of Furan in Molten Alkali Carbonates
    Click to copy article linkArticle link copied!

    • Fu Yang
      Fu Yang
      State Key Laboratory of Coal Combustion, School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan, Hubei 430074, People’s Republic of China
      More by Fu Yang
    • Hongyun Hu*
      Hongyun Hu
      State Key Laboratory of Coal Combustion, School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan, Hubei 430074, People’s Republic of China
      *Telephone/Fax: +86-27-87545526. E-mail: [email protected]
      More by Hongyun Hu
      Orcidhttp://orcid.org/0000-0002-0218-2130
    • Qiang Gao
      Qiang Gao
      State Key Laboratory of Coal Combustion, School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan, Hubei 430074, People’s Republic of China
      More by Qiang Gao
    • Yuhan Yang
      Yuhan Yang
      State Key Laboratory of Coal Combustion, School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan, Hubei 430074, People’s Republic of China
      More by Yuhan Yang
    • Kai Xu
      Kai Xu
      State Key Laboratory of Coal Combustion, School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan, Hubei 430074, People’s Republic of China
      More by Kai Xu
    • Tongzhou Chen
      Tongzhou Chen
      Wuhan Research Institute of Materials Protection, Wuhan, Hubei 430030, People’s Republic of China
      More by Tongzhou Chen
    • Xian Li
      Xian Li
      State Key Laboratory of Coal Combustion, School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan, Hubei 430074, People’s Republic of China
      More by Xian Li
      Orcidhttp://orcid.org/0000-0002-5387-4647
    • Aijun Li
      Aijun Li
      State Key Laboratory of Coal Combustion, School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan, Hubei 430074, People’s Republic of China
      More by Aijun Li
    • Hong Yao
      Hong Yao
      State Key Laboratory of Coal Combustion, School of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan, Hubei 430074, People’s Republic of China
      More by Hong Yao
      Orcidhttp://orcid.org/0000-0002-2836-7803
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    Energy & Fuels

    Cite this: Energy Fuels 2020, 34, 10, 12724–12733
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    https://doi.org/10.1021/acs.energyfuels.0c02463
    Published September 3, 2020
    Copyright © 2020 American Chemical Society
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    Abstract

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    Furan is a typical heterocyclic compound in pyrolytic tar and has a strong tendency of coke deposition in thermochemical conversion, leading to catalyst deactivation for tar upgrading. The present study proposed a promising method for furan cracking and reforming using molten alkali carbonates (Li2CO3–Na2CO3–K2CO3). The results showed that a little gas was generated in the conversion process and CO dominated the gas species. In comparison to the experiment under salt-free conditions, the decarbonylation of furan in molten salt conversion was strengthened and oxygen could be removed as H2O into the liquid products. Under the catalysis of alkali metal cations, the conversion of furan to aromatic compounds was promoted at each temperature. Moreover, excess CO2 enhanced the reverse water–gas reaction, resulting in the consumption of H2 and the increase of CO in gaseous products. In addition, coke produced in molten salts was of higher reactivity and could hardly affect the stability of the molten salt system. On the basis of the good thermal conversion behavior as well as anticoking performance of molten carbonates, these findings offer a new way for the proper reforming and upgrading of furan through molten salt thermal treatment.

    Copyright © 2020 American Chemical Society

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    Supporting Information

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    The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/acs.energyfuels.0c02463.

    • Pictures of coke deposition in the reactor during furan cracking without molten salt (Figure S1), mass loss rate of molten salt at different temperatures (Table S1), and CO2 balance during furan reforming at different conditions (Table S2) (PDF)

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    Cited By

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    This article is cited by 2 publications.

    1. Yang Ren, Hongyun Hu, Zuozheng Lin, Chengyang Cao, Huan Liu, Xian Li, Hong Yao. A novel method of reclaiming high-value carbon fiber from waste epoxy composite via molten salt thermal treatment. Chemical Engineering Journal 2024, 496 , 153792. https://doi.org/10.1016/j.cej.2024.153792
    2. Yafei Shen, Xiangzhou Yuan. Research advancement in molten salt-mediated thermochemical upcycling of biomass waste. Green Chemistry 2023, 25 (6) , 2087-2108. https://doi.org/10.1039/D2GC04872H
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    Energy & Fuels

    Cite this: Energy Fuels 2020, 34, 10, 12724–12733
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acs.energyfuels.0c02463
    Published September 3, 2020
    Copyright © 2020 American Chemical Society
    Request reuse permissions

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