Economic performance of small-scale fast pyrolysis process of coproducing liquid smoke food flavoring and biofuels

Saeid Baroutian*, Xing Xin, Kiri Dell, Isuru A. Udugama, Brent R. Young

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Biomass fast pyrolysis is a thermochemical conversion process to produce biofuels. However, the aqueous portion of pyrolysis liquid is usually considered a low-value product. This aqueous liquid can be used as an all-natural food flavoring referred to as liquid smoke in the food industry. This study proposed a small-scale fast pyrolysis process to coproduce liquid smoke, bio-oil, and biochar. The pyrolysis process was designed and simulated based on experimental results. Two production scenarios achieved with a fixed plant or a mobile plant were evaluated in the aspects of economics and environmental impacts. The economical estimation revealed that the fixed plant scenario performed better because of a lower production cost. The sensitivity analysis of the net present value indicated that the liquid smoke price and sale scale were strong impactors. Both scenarios showed a good economic performance in comparison with the biofuel production because of the value-added product, liquid smoke. The environmental impact analysis revealed that a fast pyrolysis was more environmental friendly in comparison with the conventional smoldering process.

Original languageEnglish
JournalACS Sustainable Chemistry and Engineering
Volume9
Issue number4
Pages (from-to)1911-1919
ISSN2168-0485
DOIs
Publication statusPublished - 2021

Keywords

  • Environmental impact
  • Fast pyrolysis
  • Liquid smoke
  • Techno-economic assessment

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