Methanol opportunities for electricity and hydrogen production in bioelectrochemical systems

Nuria Montpart, Edgar Ribot-Llobet, Vijay Kumar Garlapati, Laura Rago, Juan A. Baeza, Albert Guisasola

Research output: Contribution to journalArticleResearchpeer-review

27 Citations (Scopus)

Abstract

An anodic syntrophic consortium (exoelectrogenic plus fermentative bacteria) able to use methanol as sole carbon source was developed for the first time in a bioelectrochemical system. In this frame, promising results were obtained in single chamber MFC, comparable to those obtained with readily biodegradable substrates. Regarding MEC operation, the presence of homoacetogenic bacteria led to electron recycling, avoiding net hydrogen production in single chamber MEC. In a double chamber MEC, satisfying results (in terms of coulombic efficiency and cathodic gas recovery) were obtained even though energy recovery still restrained the feasibility of the process. The approach used in this work with methanol opens a new range of possibilities for other complex substrates as electron donors for bioelectrosynthesis. Copyright © 2013, Hydrogen Energy Publications, LLC.
Original languageEnglish
Pages (from-to)770-777
JournalInternational Journal of Hydrogen Energy
Volume39
Issue number2
DOIs
Publication statusPublished - 13 Jan 2014

Keywords

  • Hydrogen
  • Methanol
  • Microbial electrolysis cell (MEC)
  • Microbial fuel cell (MFC)
  • Syntrophic consortia

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