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Studies on the optimization of immobilising acetogenic and methanogenic biomass on polyurethane carrier

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dc.creator Rubindamayugi, M.S.T.
dc.creator Broeders, P.
dc.creator op den Camp, H.J.M.
dc.creator Lubberding, H.J.
dc.creator Vogels, G.D.
dc.date 2015-12-15T13:00:01Z
dc.date 2015-12-15T13:00:01Z
dc.date 1989
dc.date.accessioned 2021-05-03T13:36:17Z
dc.date.available 2021-05-03T13:36:17Z
dc.identifier Rubindamayugi, M.S.T., P. Broeders, H.J.M. op den Camp, H.J. Lubberding and G.D. Vogels (1989). Studies on the optimization of immobilising acetogenic and methanogenic biomass on polyurethane carrier. Med. Fac. Landbouw. Rijksuniv. Gent. 53: (4b): 1957-1961.
dc.identifier http://hdl.handle.net/123456789/137
dc.identifier.uri http://hdl.handle.net/123456789/47590
dc.description The influence of operational conditions (including the specific substrate concn in the feed, the hydraulic retention time and wastewater composition) on the rate of immobilization of acetogenic and methanogenic bacteria in an anaerobic polyurethane carrier reactor (PCR) treating synthetic Volatile Fatty Acids (VFA) based wastewater was investigated. The performance of continuous and fed batch culture reactor systems had a roughly similar start up period and biogas production rate. Preliminary results indicated that these systems started up within 8 d of operation. A max. concn of 151 mM acetate and 126 mM propionate was applied in the reactors treating VFA based wastewaters with a higher proportion of acetate and propionate, respectively. In all reactors a max. concn of 45.4 mM butyrate was applied. At max. acetate concn no toxic effect on acetogenic and methanogenic biomass activity were observed. The max. propionate concn showed strong inhibitory effect on biomass activity. At the max. feed concn the VFA conversion, methane production rate and methane content decreased. Biomass activiy tests showed that the reactors fed with a higher acetate concn showed higher acetogenic and methanogenic activity than the reactor treating wastewater with higher propionate concn. The influence of operational conditions on biomass washout were also investigated.
dc.publisher . Fac. Landbouw. Rijksuniv. Gent
dc.subject polyurethane
dc.subject renewable resources
dc.subject equipment performance
dc.subject biomass
dc.subject Methanogens
dc.subject acetic acid bacteria
dc.subject renewable energy
dc.subject immobilized microorganisms
dc.title Studies on the optimization of immobilising acetogenic and methanogenic biomass on polyurethane carrier
dc.type Journal Article, Peer Reviewed


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