Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 43945
Title Anaerobic reduction of ethene to ethane in an anaerobic enrichment culture.
Author(s) Koene-Cottaar, F.H.M.; Schraa, G.
Source FEMS Microbiology Ecology 25 (1998)3. - ISSN 0168-6496 - p. 313 - 321.
Department(s) Microbiological Laboratory
Publication type Refereed Article in a scientific journal
Publication year 1998
Abstract A hydrogen-consuming methanogenic enrichment showed complete reduction of ethene to ethane. The ethene reduction was coupled to the formation of methane and addition of bromoethane sulfonate completely inhibited the reduction of ethene. At an ethene concentration of 0.8% in the gas phase (approximately 90 μmol l−1 in the liquid phase), the formation of ethane from ethene was completely inhibited and methane formation was inhibited by 85%. Three dominant microorganisms were present in the enrichment. A highly motile, oval-shaped homoacetogenic bacterium, and two long, rod-shaped methanogens. One methanogen was irregularly crooked and the other one was Methanospirillum-like. The acetogen and the irregularly crooked methanogen were isolated, but in pure culture they did not reduce ethene. So far, we have been unable to isolate the other methanogen.
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