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, R. R Ruan

Research output: Contribution to journalArticle

1 Citation (Scopus)

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

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pyrolysis
lignin
activated carbon
catalyst
hydrocarbon
solid waste
hydrogen
biomass
oil
aromatic hydrocarbon
phenol
temperature
maize
gas
effect

Keywords

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

PubMed: MeSH publication types

  • Journal Article

Cite this

Renewable jet-fuel range hydrocarbons production from co-pyrolysis of lignin and soapstock with the activated carbon catalyst. / Duan, Dengle; Zhang, Yayun; Lei, Hanwu; Villota, Elmar; Ruan, R. R.

In: Waste Management, Vol. 88, 01.04.2019, p. 1-9.

Research output: Contribution to journalArticle

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