A new biorefinery platform for producing (C2-5) bioalcohols through the biological/chemical hybridization process

Sungyup Jung, Hana Kim, Yiu Fai Tsang, Kun Yi Andrew Lin, Young Kwon Park, Eilhann E. Kwon

Research output: Contribution to journalReview articlepeer-review

36 Scopus citations

Abstract

This review presents an emerging biorefinery platform for C2-5 bioalcohol production through chemical synthesis using the organic waste materials. Bioalcohols are the most commercialized carbon–neutral transportation fuels, compatible with existing an internal combustion (IC) engine. However, current bioalcohol fermentation processes have made from sugar-rich edible crops. Also, carbon loss from the fermentation process is substantial. To minimize carbon loss, volatile fatty acids (VFAs) can be utilized as a raw material for bioalcohol production. Thus, a two-step chemical upgrading of VFAs into C2-5 alcohols is summarized in comparison with current challenges of biological fermentation processes for bioalcohol production. This review also provides the prospect of the hybrid biological/chemical process, presenting the technical advantages of the system. Finally, economic viability of hybridized process for bioalcohol production is compared with the current biological process.

Original languageEnglish
Article number123568
JournalBioresource Technology
Volume311
DOIs
StatePublished - Sep 2020

Keywords

  • Anaerobic digestion
  • Bioalcohol
  • Esterification
  • Hydrogenolysis
  • Volatile fatty acids

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