Summary
A continuous two stage anaerobic digestion process was established using a homoacetogen,Acetogenium kivui, as the acidogenic organism and an acetoclastic culture for the methanogenic stage. In continuous culture,A.kivui fermented 83% of a glucose carbon source to acetate at a critical dilution rate of 0.13/h. The effluent acetate from this culture was readily utilised by an acetoclastic methanogenic culture enriched from sewage sludge. The long term stability of this system was demonstrated under a range of conditions, and the potential process advantages discussed.
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Ibba, M., Fynn, G.H. Two stage methanogenesis of glucose byAcetogenium kivui and acetoclastic methanogenic Sp.. Biotechnol Lett 13, 671–676 (1991). https://doi.org/10.1007/BF01086325
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DOI: https://doi.org/10.1007/BF01086325