C - Chemistry – Metallurgy – 12 – S
Patent
C - Chemistry, Metallurgy
12
S
C12S 1/02 (2006.01) C10G 32/00 (2006.01) C12N 1/20 (2006.01)
Patent
CA 2097217
- 13 - ABSTRACT OF THE DISCLOSURE Sulfur in petroleum products, coal, tar sands and shale oil is undesirable, due to the promotion of corrosion of transportation, storage and processing equipment and the emission of sulfur oxide gases upon combustion which are a source of acid rain. Current industrial methods employed for organic sulfur removal are limited to the extent to which sulfur can be removed, particularly with regard to molecules where the sulfur atoms are sterically hindered. Most microbial methods described to date for the removal of organic sulfur from fuels result in the reduction of the fuel value due to non- specific degradation of the carbon skeleton of organic sulfur com- pounds and related non-sulfur compounds present in the fuel mixture. This invention describes a method for the sulfur specific removal of organic sulfur from fuels and related products utilizing novel and newly discovered and isolated microorganisms that specifically remove sulfur from organic sulfur compounds, especially those compounds where sulfur atoms are sterically hindered.
Burghoff Robert L.
Elmendorf David L.
Grossman Matthew J.
Lee Mary K.
Senius James D.
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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