Abstract
A sulfate-reducing bacterium (SRB) was isolated from a continuous anaerobic digester, which converted the furfural-containing wastewater to methane and CO2. This SRB isolate could use furfural, furfuryl alcohol, and 2-furoic acid as sole source of carbon and energy in a defined mineral sulfate medium. Acetic acid was the major end product of furfural degradation. This organism also used wide varieties of other carbon sources, including ethanol, pyruvate, lactate, succinate, propanol, formate, and malate. The SRB isolate contained the electron carrier desulfoviridin. It used SO4, NO3, and thiosulfate as electron acceptors. This isolate used ammonium chloride, nitrate and glutamate as nitrogen source. The characteristics of the SRB isolate were closely similar toDesulfovibrio sp.
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