Biohydrogen production from food waste: Current status, limitations, and future perspectives

Yeo Myeong Yun, Mo Kwon Lee, Seong Won Im, Antonella Marone, Eric Trably, Sang Ryong Shin, Min Gyun Kim, Si Kyung Cho, Dong Hoon Kim

Research output: Contribution to journalReview articlepeer-review

149 Scopus citations

Abstract

Among the various biological routes for H2 production, dark fermentation is considered the most practically applicable owing to its capability to degrade organic wastes and high H2 production rate. Food waste (FW) has high carbohydrate content and easily hydrolysable in nature, exhibiting higher H2 production potential than that of other organic wastes. In this review article, first, the current status of H2 production from FW by dark fermentation and the strategies applied for enhanced performance are briefly summarized. Then, the technical and economic limitations of dark fermentation of FW are thoroughly discussed. Economic assessment revealed that the economic feasibility of H2 production from FW by dark fermentation is questionable. Current efforts to further increase H2 yield and waste removal efficiency are also introduced. Finally, future perspectives along with possible routes converting dark fermentation effluent to valuable fuels and chemicals are discussed.

Original languageEnglish
Pages (from-to)79-87
Number of pages9
JournalBioresource Technology
Volume248
DOIs
StatePublished - Jan 2018

Keywords

  • Dark fermentation
  • Economic assessment
  • Food waste
  • Hydrogen
  • Integrated system

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