Production of H2-rich syngas from lignocellulosic biomass using microwave-assisted pyrolysis coupled with activated carbon enabled reforming

This study focuses on the use of a microwave reactor that combines biomass pyrolysis, at mild temperature, with catalytic reforming of the pyrolytic gas, using activated carbon, for generating hydrogen-rich synthesis gas. The traditional pyrolysis of biomass coupled with the reforming of its pyrolyt...

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Main Authors: Shi, Kaiqi, Yan, Jiefeng, Menéndez, J. Angel, Luo, Xiang, Yang, Gang, Chen, Yipei, Lester, Edward, Wu, Tao
Format: Article
Language:English
Published: 2020
Subjects:
Online Access:https://eprints.nottingham.ac.uk/59982/
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author Shi, Kaiqi
Yan, Jiefeng
Menéndez, J. Angel
Luo, Xiang
Yang, Gang
Chen, Yipei
Lester, Edward
Wu, Tao
author_facet Shi, Kaiqi
Yan, Jiefeng
Menéndez, J. Angel
Luo, Xiang
Yang, Gang
Chen, Yipei
Lester, Edward
Wu, Tao
author_sort Shi, Kaiqi
building Nottingham Research Data Repository
collection Online Access
description This study focuses on the use of a microwave reactor that combines biomass pyrolysis, at mild temperature, with catalytic reforming of the pyrolytic gas, using activated carbon, for generating hydrogen-rich synthesis gas. The traditional pyrolysis of biomass coupled with the reforming of its pyrolytic yields were also conducted using an electrically heated reactor. The bio-oil attained from conventional pyrolysis was higher in comparison to the yield from microwave pyrolysis. The reforming of the pyrolytic gas fraction led to reductions in bio-oil yield to <3.0 wt%, with a simultaneous increase in gaseous yields. An increase in the syngas and H2 selectivity was discovered with the reforming process such that the use of microwave pyrolysis with activated carbon reforming produced 85 vol% synthesis gas fraction containing 55 vol% H2 in comparison to the 74 vol% syngas fraction with 30 vol% H2 obtained without the reforming. Cracking reactions were improved with microwave heating, while deoxidation and dehydrogenation reactions were enhanced by activated carbon, which creates a reduction environment. Consequently, these reactions generated H2-rich syngas formation. The approach implemented in this study revealed higher H2, syngas yield and that the overall LHV of products has huge potential in the transformation of biomass into high-value synthesis gas.
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spelling nottingham-599822020-02-28T02:36:34Z https://eprints.nottingham.ac.uk/59982/ Production of H2-rich syngas from lignocellulosic biomass using microwave-assisted pyrolysis coupled with activated carbon enabled reforming Shi, Kaiqi Yan, Jiefeng Menéndez, J. Angel Luo, Xiang Yang, Gang Chen, Yipei Lester, Edward Wu, Tao This study focuses on the use of a microwave reactor that combines biomass pyrolysis, at mild temperature, with catalytic reforming of the pyrolytic gas, using activated carbon, for generating hydrogen-rich synthesis gas. The traditional pyrolysis of biomass coupled with the reforming of its pyrolytic yields were also conducted using an electrically heated reactor. The bio-oil attained from conventional pyrolysis was higher in comparison to the yield from microwave pyrolysis. The reforming of the pyrolytic gas fraction led to reductions in bio-oil yield to <3.0 wt%, with a simultaneous increase in gaseous yields. An increase in the syngas and H2 selectivity was discovered with the reforming process such that the use of microwave pyrolysis with activated carbon reforming produced 85 vol% synthesis gas fraction containing 55 vol% H2 in comparison to the 74 vol% syngas fraction with 30 vol% H2 obtained without the reforming. Cracking reactions were improved with microwave heating, while deoxidation and dehydrogenation reactions were enhanced by activated carbon, which creates a reduction environment. Consequently, these reactions generated H2-rich syngas formation. The approach implemented in this study revealed higher H2, syngas yield and that the overall LHV of products has huge potential in the transformation of biomass into high-value synthesis gas. 2020-01-24 Article PeerReviewed application/pdf en cc_by https://eprints.nottingham.ac.uk/59982/1/1-%E5%B7%B2%E8%9E%8D%E5%90%88.pdf Shi, Kaiqi, Yan, Jiefeng, Menéndez, J. Angel, Luo, Xiang, Yang, Gang, Chen, Yipei, Lester, Edward and Wu, Tao (2020) Production of H2-rich syngas from lignocellulosic biomass using microwave-assisted pyrolysis coupled with activated carbon enabled reforming. Frontiers in Chemistry, 8 . ISSN 2296-2646 biomass; microwave-assisted pyrolysis; reforming activated carbon; hydrogen; syngas http://dx.doi.org/10.3389/fchem.2020.00003 doi: 10.3389/fchem.2020.00003 doi: 10.3389/fchem.2020.00003
spellingShingle biomass; microwave-assisted pyrolysis; reforming
activated carbon; hydrogen; syngas
Shi, Kaiqi
Yan, Jiefeng
Menéndez, J. Angel
Luo, Xiang
Yang, Gang
Chen, Yipei
Lester, Edward
Wu, Tao
Production of H2-rich syngas from lignocellulosic biomass using microwave-assisted pyrolysis coupled with activated carbon enabled reforming
title Production of H2-rich syngas from lignocellulosic biomass using microwave-assisted pyrolysis coupled with activated carbon enabled reforming
title_full Production of H2-rich syngas from lignocellulosic biomass using microwave-assisted pyrolysis coupled with activated carbon enabled reforming
title_fullStr Production of H2-rich syngas from lignocellulosic biomass using microwave-assisted pyrolysis coupled with activated carbon enabled reforming
title_full_unstemmed Production of H2-rich syngas from lignocellulosic biomass using microwave-assisted pyrolysis coupled with activated carbon enabled reforming
title_short Production of H2-rich syngas from lignocellulosic biomass using microwave-assisted pyrolysis coupled with activated carbon enabled reforming
title_sort production of h2-rich syngas from lignocellulosic biomass using microwave-assisted pyrolysis coupled with activated carbon enabled reforming
topic biomass; microwave-assisted pyrolysis; reforming
activated carbon; hydrogen; syngas
url https://eprints.nottingham.ac.uk/59982/
https://eprints.nottingham.ac.uk/59982/
https://eprints.nottingham.ac.uk/59982/