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Biochemical upgrading of oils

United States Patent

5,858,766
January 12, 1999
View the Complete Patent at the US Patent & Trademark Office
Brookhaven National Laboratory - Visit the Office of Technology Commercialization and Partnerships Website
A process for biochemical conversion of heavy crude oils is provided. The process includes contacting heavy crude oils with adapted biocatalysts. The resulting upgraded oil shows, a relative increase in saturated hydrocarbons, emulsions and oxygenates and a decrease in compounds containing in organic sulfur, organic nitrogen and trace metals. Adapted microorganisms which have been modified under challenged growth processes are also disclosed.
Premuzic; Eugene T. (East Moriches, NY), Lin; Mow S. (Rocky Point, NY)
Brookhaven Science Associates (Upton, NY)
08/ 751,494
November 18, 1996
This invention was made with Government support under contract number DEAC02-76CH00016, awarded by the U.S. Department of Energy. The Government has certain rights in the invention.