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 427235
Title Role of syntrophic microbial communities in high-rate methanogenic bioreactors
Author(s) Stams, A.J.M.; Sousa, D.Z.; Kleerebezem, R.; Plugge, C.M.
Source Water Science and Technology 66 (2012)2. - ISSN 0273-1223 - p. 352 - 362.
Department(s) Microbiological Laboratory
Publication type Refereed Article in a scientific journal
Publication year 2012
Keyword(s) chain fatty-acids - propionate-oxidizing bacterium - in-situ hybridization - interspecies electron-transfer - spore-forming bacterium - wolfei subsp saponavida - municipal solid-waste - sp-nov. - gen. nov. - anaerobic treatment
Abstract Anaerobic purification is a cost-effective way to treat high strength industrial wastewater. Through anaerobic treatment of wastewaters energy is conserved as methane, and less sludge is produced. For high-rate methanogenesis compact syntrophic communities of fatty acid-degrading bacteria and methanogenic archaea are essential. Here, we describe the microbiology of syntrophic communities in methanogenic reactor sludges and provide information on which microbiological factors are essential to obtain high volumetric methane production rates. Fatty-acid degrading bacteria have been isolated from bioreactor sludges, but also from other sources such as freshwater sediments. Despite the important role that fatty acid-degrading bacteria play in high-rate methanogenic bioreactors, their relative numbers are generally low. This finding indicates that the microbial community composition can be further optimized to achieve even higher rates
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