Microbial electrosynthesis system with dual biocathode arrangement for simultaneous acetogenesis, solventogenesis and carbon chain elongation

A microbial electrosynthesis cell comprising two biological cathode chambers sharing the same anode compartment is used to promote the production of C2-C4 carboxylic acids and alcohols from carbon dioxide. Each cathode chamber provides ideal pH conditions to favor acetogenesis/carbon chain elongatio...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2019-04, Vol.55 (3), p.4351-4354
Main Authors: Vassilev, Igor, Kracke, Frauke, Freguia, Stefano, Keller, Jürg, Krömer, Jens O, Ledezma, Pablo, Virdis, Bernardino
Format: Article
Language:English
Subjects:
Alcohols
Carbon
Carbon dioxide
Carboxylic acids
Cathodes
Chains
Elongation
Gas analysis
Microorganisms
Solvents
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Summary:A microbial electrosynthesis cell comprising two biological cathode chambers sharing the same anode compartment is used to promote the production of C2-C4 carboxylic acids and alcohols from carbon dioxide. Each cathode chamber provides ideal pH conditions to favor acetogenesis/carbon chain elongation (pH = 6.9), and solventogenesis (pH = 4.9), respectively, without the requirement of external acid/base dosing. A microbial electrosynthesis cell comprising two biological cathode chambers sharing the same anode compartment is used to promote the production of C2-C4 carboxylic acids and alcohols from carbon dioxide.
ISSN:1359-7345
1364-548X
DOI:10.1039/c9cc00208a