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Patent Abstracts

      1054.  HILL, B. N.  (Standard Oil Development Co.).  Treatment of Hydrocarbon Synthesis Naphtha.  United States Patent 2,651,654, Sept. 8, 1953; appl. filed Jan. 21, 1949, Serial No. 71,775; 9 claims (Cl. 260-450).

            Claim 1.  A method for removing contaminating compounds from a naphtha fraction obtained by contacting a gaseous mixture of CO and H2 with a suitable catalyst under conversion conditions to form a mixture of hydrocarbons and oxygenated organic compounds, which comprises washing a contaminated naphtha fraction consisting of said mixture of hydrocarbons and oxygenated organic compounds with an aqueous solution of an alkali metal hydroxide; removing said aqueous solution form contact with said naphtha fraction; contacting the washed naphtha fraction with an alcoholic solution containing no more than 30% of H2O in which has been dissolved a treating reagent selected from the class consisting of hydroxylamine and it inorganic salts in an amount within 0.2-2 parts of alcoholic solution for each part of washed naphtha; removing said alcoholic solution from contact with said naphtha; washing said treated naphtha with an aqueous solution of alkali-metal hydroxide; removing said naphtha from contact with said alkali metal hydroxide solution and distilling said naphtha to recover a fraction having a boiling range substantially identical to the boiling range of the contaminated naphtha.