Bioelectrochemical systems (BES) for sustainable energy production and product recovery from organic wastes and industrial wastewaters

Deepak Pant, Anoop Singh, Gilbert Van Bogaert, Stig Irving Olsen, Poonam Singh Nigam, Ludo Diels, Karolien Vanbroekhoven

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Bioelectrochemical systems (BESs) are unique systems capable of converting the chemical energy of organic waste including low-strength wastewaters and lignocellulosic biomass into electricity or hydrogen/chemical products in microbial fuel cells (MFCs) or microbial electrolysis cells (MECs) respectively, or other products formed at the cathode by an electrochemical reduction process. As compared to conventional fuel cells, BESs operate under relatively mild conditions, use a wide variety of organic substrates and mostly do not use expensive precious metals as catalysts. The recently discovered use of BES for product synthesis via microbial electrosynthesis have greatly expanded the horizon for these systems. Newer concepts in application as well as development of alternative materials for electrodes, separators, and catalysts, along with innovative designs have made BESs very promising technologies. This article discusses the recent developments that have been made in BESs so far, with an emphasis on their various applications beyond electricity generation, resulting performances and current limitations. © 2012 The Royal Society of Chemistry.
    Original languageEnglish
    JournalR S C Advances
    Volume2
    Issue number4
    Pages (from-to)1248-1263
    ISSN2046-2069
    DOIs
    Publication statusPublished - 2012

    Keywords

    • Catalysts
    • Design
    • Electric generators
    • Electrolytic cells
    • Electrolytic reduction
    • Precious metals
    • Wastes

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