3854. ----- [WADLEY, E. F.] (Standard Oil Development Co.). Removal of Oxygenated Compounds From Synthetic Naphthas. United States Patent 2,497,967, Feb. 21, 1950; appl. filed Dec. 17, 1947, Serial No. 792,249; 8 claims (Cl. 260-450).

Synthetic crudes from the Fischer-Tropsch reaction are treated with a mixture including oil, and alkali metal sulfonate, and an alkali metal hydroxide to remove oxygenated organic compounds. The mixture is diluted with H₂O and cooled to 80°-400° F. to cause phase separation. The hydrocarbon phase is distilled to obtain fractions free of oxygenated organic compounds including ketones. 1 foreign patent and 2 United States patents cited.

See abs. 1055,1056, 1057.