Abstract
It has been demonstrated that heat- and alkali-pretreated sewage sludge may serve as an electron donor and carbon source for SO2 reduction byDesulfovibrio desulfuricans. A continuousD. desulfuricans culture was operated for 6 mo with complete reduction of SO2 to H2S. The culture required only minor amounts of mineral nutrients in addition to pretreated sewage sludge. It has also been shown that the sulfate-reducing bacteriumDesulfotomaculum orientis can be grown on H2 as an energy source, CO2 as a carbon source, and SO2 as a terminal electron acceptor. Complete reduction of SO2 to H2S was observed.
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Deshmane, V., Lee, CM. & Sublette, K.L. Microbial reduction of sulfur dioxide with pretreated sewage sludge and elemental hydrogen as electron donors. Appl Biochem Biotechnol 39, 739–752 (1993). https://doi.org/10.1007/BF02919032
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DOI: https://doi.org/10.1007/BF02919032