期刊
WATER RESEARCH
卷 146, 期 -, 页码 244-255出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.watres.2018.08.045
关键词
Anaerobic digestion; Bioelectrochemical system; Biogas; Methane; Resource recovery
资金
- Research Foundation Flanders (FWO-Vlaanderen)
- European Research Council [310023]
- FWO-Vlaanderen
- Research Foundation Flanders project [G018814N]
For over a century, anaerobic digestion has been a key technology in stabilizing organic waste streams, while at the same time enabling the recovery of energy. The anticipated transition to a bio-based economy will only increase the quantity and diversity of organic waste streams to be treated, and, at the same time, increase the demand for additional and effective resource recovery schemes for nutrients and organic matter. The performance of anaerobic digestion can be supported and enhanced by (bio) electrochemical systems in a wide variety of hybrid technologies. Here, the possible benefits of combining anaerobic digestion with (bio)electrochemical systems were reviewed in terms of (1) process monitoring, control, and stabilization, (2) nutrient recovery, (3) effluent polishing, and (4) biogas upgrading. The interaction between microorganisms and electrodes with respect to niche creation is discussed, and the potential impact of this interaction on process performance is evaluated. The strength of combining anaerobic digestion with (bio)electrochemical technologies resides in the complementary character of both technologies, and this perspective was used to distinguish transient trends from schemes with potential for full-scale application. This is supported by an operational costs assessment, showing that the economic potential of combining anaerobic digestion with a (bio)electrochemical system is highly case-specific, and strongly depends on engineering challenges with respect to full-scale applications. (C) 2018 Elsevier Ltd. All rights reserved.
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