Integrated hydrogen production process from cellulose by combining dark fermentation, microbial fuel cells, and a microbial electrolysis cell

Aijie Wang, Dan Sun, Guangli Cao, Haoyu Wang, Nanqi Ren, Wei-Min Wu, Bruce E. Logan

Research output: Contribution to journalArticlepeer-review

191 Scopus citations

Abstract

Hydrogen gas production from cellulose was investigated using an integrated hydrogen production process consisting of a dark fermentation reactor and microbial fuel cells (MFCs) as power sources for a microbial electrolysis cell (MEC). Two MFCs (each 25mL) connected in series to an MEC (72mL) produced a maximum of 0.43V using fermentation effluent as a feed, achieving a hydrogen production rate from the MEC of 0.48m 3 H 2/m 3/d (based on the MEC volume), and a yield of 33.2mmol H 2/g COD removed in the MEC. The overall hydrogen production for the integrated system (fermentation, MFC and MEC) was increased by 41% compared with fermentation alone to 14.3mmol H 2/g cellulose, with a total hydrogen production rate of 0.24m 3 H 2/m 3/d and an overall energy recovery efficiency of 23% (based on cellulose removed) without the need for any external electrical energy input. © 2010 Elsevier Ltd.
Original languageEnglish (US)
Pages (from-to)4137-4143
Number of pages7
JournalBioresource Technology
Volume102
Issue number5
DOIs
StatePublished - Mar 2011
Externally publishedYes

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