Microbiological desulfurization of gases

Details Microbiological desulfurization of gases Microbiological desulfurization of gases

B - Operations, Transporting

01

D

195/59, 195/122.

B01D 53/00 (2006.01) B01D 53/34 (2006.01) B01D 53/84 (2006.01) C12N 1/00 (2006.01)

Patent

CA 1278761

MICROBIOLOGICAL DESULFURIZATION OF GASES ABSTRACT OF THE DISCLOSURE There is disclosed a method for desulfurizing gases by microbiological techniques which involve the use of chemoautotrophic bacteria of the Thiobacillus genus to convert sulfides to sulfates either as a sulfide removal process or as a process for producing biomass. More specifically, the invention involves the use of Thiobacillus denitrificans under anaerobic conditions to oxidize sulfur compounds such as hydrogen sulfide to sulfate compounds. The process may be carried out by various techniques such as in a continuous bioreactor system using an immobilization matrix. The method is particularly applicable to treating natural gas containing hydrogen sulfide and producing a biomass byproduct.

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