Biodesulfurization of bitumen fuels

Details Biodesulfurization of bitumen fuels Biodesulfurization of bitumen fuels

C - Chemistry, Metallurgy

12

S

C12S 1/02 (2006.01) C10G 32/00 (2006.01) C10L 1/32 (2006.01) C12P 3/00 (2006.01)

Patent

CA 2096736

A simple and effective biochemical process solves the problems associated with sulfur in bitumen by removing sulfur from active participation in SO x-producing combustion reactions. In one aspect, an emulsion of bitumen and water is contacted with a microbiological desulfurization agent for a time and under conditions effective to reduce the oxidizable sulfur con- tent of the bitumen. The preferred agents do not affect the heating value of the fuel, but selectively oxidize organic sulfur to water-soluble sulfates which can either be physically removed or chemically bound so that they do not cause SO x produc- tion. Multistage reaction is employed to enhance sulfur removal.

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