Renewable jet-fuel range hydrocarbons production from co-pyrolysis of lignin and soapstock with the activated carbon catalyst

Dengle Duan, Yayun Zhang, Hanwu Lei, Elmar Villota, Roger Ruan

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

The current study aims to investigate the effects of agricultural waste-derived activated carbon catalyst on the jet-fuel range hydrocarbons distribution from raw biomass pyrolysis under the hydrogen donor condition provided by a solid waste. Ex-situ catalytic fast co-pyrolysis of lignin with and without soapstock was carried out using the corn stover-derived activated carbon catalyst in a facile fixed bed reactor. Results showed that the soapstock, as the hydrogen donor, exhibited a positive synergistic effect with lignin on enhancing the production of valuable aromatics in the obtained bio-oil. Additionally, biomass-derived activated carbon catalyst has the robust catalytic ability to convert pyrolysis vapors into high-density jet fuel-ranged aromatic hydrocarbons rather than phenols with the assistance of soapstock solid waste. Results indicated that the proportions of jet-fuel range aromatics increased monotonically with elevating pyrolytic temperatures from 400 to 550 °C, and the optimal lignin/soapstock ratio was 1:2 with regarding the yield of attained bio-oils. The maximum proportion of jet-fuel ranged aromatics (87.8%) and H 2 concentration (76.4 vol%) could be achieved with the pyrolytic temperature, lignin/soapstock ratio, and catalyst/feedstock ratio of 550 °C, 2:1, and 1:1, respectively. The current study may provide a novel route of converting solid wastes into value-added jet fuels and hydrogen-enriched fuel gases, which will advance the utilization of renewable biomass.

Original languageEnglish (US)
Pages (from-to)1-9
Number of pages9
JournalWaste Management
Volume88
DOIs
StatePublished - Apr 1 2019

Bibliographical note

Funding Information:
We gratefully acknowledge the financial support from The Agriculture and Food Research Initiative of National Institute of Food and Agriculture, United States Department of Agriculture (2016-67021-24533 and 2014-38502-22598), The National Natural Science Foundation of China (21766019), The Key Research and Development Program of Jiangxi Province (20171BBF60023), International Cooperation Project of MOST, P.R. China (2015DFA60170-4), China Scholarship Council (CSC. No. 201706820027), Science and Technology Research Project of Jiangxi Province Education Department (GJJ150213), Innovation and Entrepreneurship Development Fund of “Thousand talents program” Talent (1001-02102082).

Funding Information:
We gratefully acknowledge the financial support from The Agriculture and Food Research Initiative of National Institute of Food and Agriculture , United States Department of Agriculture ( 2016-67021-24533 and 2014-38502-22598 ), The National Natural Science Foundation of China ( 21766019 ), The Key Research and Development Program of Jiangxi Province ( 20171BBF60023 ), International Cooperation Project of MOST, P.R. China ( 2015DFA60170-4 ), China Scholarship Council (CSC. No. 201706820027 ), Science and Technology Research Project of Jiangxi Province Education Department ( GJJ150213 ), Innovation and Entrepreneurship Development Fund of “Thousand talents program” Talent ( 1001-02102082 ).

Publisher Copyright:
© 2019

Copyright:
Copyright 2019 Elsevier B.V., All rights reserved.

Keywords

  • Activated carbon
  • Aromatics
  • Co-pyrolysis
  • Lignin
  • Soapstock

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