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Upstream considerations for gas fermentation processes.

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Title: Upstream considerations for gas fermentation processes.
Authors: Resch, Michael G1 (AUTHOR), Badgett, Alex1 (AUTHOR), Krömer, Jens O2 (AUTHOR) jens.kroemer@ufz.de, Marcellin, Esteban3 (AUTHOR)
Source: Current Opinion in Biotechnology. Oct2025, Vol. 95, pN.PAG-N.PAG. 1p.
Subjects: Fermentation, Electric power, Microorganisms, Atmospheric carbon dioxide, Biochemical engineering, Research & development, Renewable energy sources
Abstract: Gas fermentation enables the production of fuels, chemicals, and foods from gaseous carbon sources and could serve as a technology for valorizing carbon that may otherwise be emitted to the atmosphere. In this review, we focus on upstream feedstock considerations: the supply of carbon and the supply of electrical power. Electrical power serves a dual role, providing both process energy and biochemical redox potential (via hydrogen or reduced intermediates). We define gas fermentation as bioprocesses involving gaseous feedstocks metabolized by microbes, distinct from microbial electrosynthesis. Trends in CO 2 point sources and low-carbon electricity systems are analyzed, highlighting opportunities and challenges for future deployment. This review synthesizes current knowledge and identifies key R&D priorities for process integration at industrial scale. [Display omitted] [ABSTRACT FROM AUTHOR]
Copyright of Current Opinion in Biotechnology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 187719682
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: <searchLink fieldCode="DE" term="%22Fermentation%22">Fermentation</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+power%22">Electric power</searchLink><br /><searchLink fieldCode="DE" term="%22Microorganisms%22">Microorganisms</searchLink><br /><searchLink fieldCode="DE" term="%22Atmospheric+carbon+dioxide%22">Atmospheric carbon dioxide</searchLink><br /><searchLink fieldCode="DE" term="%22Biochemical+engineering%22">Biochemical engineering</searchLink><br /><searchLink fieldCode="DE" term="%22Research+%26+development%22">Research & development</searchLink><br /><searchLink fieldCode="DE" term="%22Renewable+energy+sources%22">Renewable energy sources</searchLink>
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  Data: Gas fermentation enables the production of fuels, chemicals, and foods from gaseous carbon sources and could serve as a technology for valorizing carbon that may otherwise be emitted to the atmosphere. In this review, we focus on upstream feedstock considerations: the supply of carbon and the supply of electrical power. Electrical power serves a dual role, providing both process energy and biochemical redox potential (via hydrogen or reduced intermediates). We define gas fermentation as bioprocesses involving gaseous feedstocks metabolized by microbes, distinct from microbial electrosynthesis. Trends in CO 2 point sources and low-carbon electricity systems are analyzed, highlighting opportunities and challenges for future deployment. This review synthesizes current knowledge and identifies key R&D priorities for process integration at industrial scale. [Display omitted] [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Current Opinion in Biotechnology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.copbio.2025.103337
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      – Code: eng
        Text: English
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        Type: general
      – SubjectFull: Electric power
        Type: general
      – SubjectFull: Microorganisms
        Type: general
      – SubjectFull: Atmospheric carbon dioxide
        Type: general
      – SubjectFull: Biochemical engineering
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      – SubjectFull: Research & development
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      – SubjectFull: Renewable energy sources
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      – TitleFull: Upstream considerations for gas fermentation processes.
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            NameFull: Krömer, Jens O
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              Text: Oct2025
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              Y: 2025
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              Value: 95
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