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Method and apparatus for converting and removing organosulfur and other oxidizable compounds from distillate fuels, and compositions obtained thereby

United States Patent

October 26, 2010
View the Complete Patent at the US Patent & Trademark Office
The present disclosure is directed to a multi-stage system and a process utilizing said system with the design of reducing the sulfur-content in a liquid comprising hydrocarbons and organosulfur compounds. The process comprising at least one of the following states: (1) an oxidation stage; (2) an extraction state; (3) a raffinate washing stage; (4) a raffinate polishing stage; (5) a solvent recovery stage; (6) a solvent purification stage; and (7) a hydrocarbon recovery stage. The process for removing sulfur-containing hydrocarbons from gas oil, which comprises oxidizing gas oil comprising hydrocarbons and organosulfur compounds to obtain a product gas oil.
D'Alessandro; Robert N. (Spanish Fort, AL), Tarabocchia; John (Parsippany, NJ), Jones; Jerald Andrew (Frankfurt am Main, DE), Bonde; Steven E. (West Richard, WA), Leininger; Stefan (Langenselbold, DE)
Degussa Corporation (Parsippany, NJ)
10/ 576,768
October 20, 2004
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH This invention was made with support from the U.S. Government under Cooperative Agreement No. DE-FC26-01BC15281; W(A)-02-003, CH-1087 awarded by the Department of Energy. The U.S. Government has certain rights in this invention.