Bioconversion of hydrogen sulfide by free and immobilized cells ofChlorobium
thiosulfatophilum |
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| Authors: | Byung Woo Kim In Kyu Kim Ho Nam Chang |
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| Institution: | (1) Department of Chemical Engineering, Korea Advanced Institute of Science and Technology, Chongyang, P. O. Box 131, Seoul, Korea;(2) Korea Atomic Energy Research Institute, Korea |
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| Abstract: | Summary The transformation of hydrogen sulfide into elementary sulfur and sulfate was investigated in a photo-bioreactor using autotropic bacteriaChlorobium
thiosulfatophilum. The accumulations of sulfur and sulfate in the reactor were found to be dependent on the light energy and the feed rate of H2S. The optimum operation lines were established to limit sulfide or sulfate. Immobilization of the whole cells in strontium-alginate matrix enhanced the conversion more than with the free cells. |
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