title: Rapid bio-methanation of syngas in a reverse membrane bioreactor: membrane encased microorganisms.
abstract: The performance of a novel reverse membrane bioreactor (RMBR) with encased microorganisms for syngas bio-methanation as well as a co-digestion process of syngas and organic substances was examined. The sachets were placed in the reactors and examined in repeated batch mode. Different temperatures and short retention time were studied. The digesting sludge encased in the PVDF membranes was able to convert syngas into methane at a retention time of 1 day and displayed a similar performance as the free cells in batch fermentation. The co-digestion of syngas and organic substances by the RMBR (the encased cells) showed a good performance without any observed negative effects. At thermophilic conditions, there was a higher conversion of pure syngas and co-digestion using the encased cells compared to at mesophilic conditions.
authors.affiliation: Swedish Centre for Resource Recovery, University of Borås, 50190 Borås, Sweden. Electronic address: Supansa.youngsukkasem@hb.se.
authors.forename: Supansa
authors.initials: S
authors.lastname: Youngsukkasem
authors.affiliation: Swedish Centre for Resource Recovery, University of Borås, 50190 Borås, Sweden.
authors.forename: Konstantinos
authors.initials: K
authors.lastname: Chandolias
authors.affiliation: Swedish Centre for Resource Recovery, University of Borås, 50190 Borås, Sweden.
authors.forename: Mohammad J
authors.initials: MJ
authors.lastname: Taherzadeh
mesh_terms: D000693:Anaerobiosis; D001419:Bacteria / Q000378:metabolism*; D061249:Batch Cell Culture Techniques; D056804:Biofuels / Q000382:microbiology*; D019149:Bioreactors / Q000382:microbiology*; D001709:Biotechnology / Q000295:instrumentation* / Q000379:methods*; D005232:Fatty Acids, Volatile / Q000032:analysis; D008567:Membranes, Artificial; D008697:Methane / Q000378:metabolism*; D013696:Temperature; D013997:Time Factors; D014865:Waste Disposal, Fluid
chemical_list: D056804:Biofuels; D005232:Fatty Acids, Volatile; D008567:Membranes, Artificial; D008697:Methane
keywords: Cell retention; Co-digestion; Membrane bioreactor; Methane; Syngas fermentation