1034. ------ [HERBST, W. A.] (Standard Oil Development Co.). Synthesis of Hydrocarbons. United States Patent 2,467, -S03; appl. filed Aug. 14, 1947, Serial No. 768,540; 8 claims (Cl. 260-449.6). Chem. Abs., vol. 43, 1949, p. 6810.

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Patent Abstracts

1034. ------ [HERBST, W. A.] (Standard Oil Development Co.). Synthesis of Hydrocarbons. United States Patent 2,467,803; appl. filed Aug. 14, 1947, Serial No. 768,540; 8 claims (Cl. 260-449.6). Chem. Abs., vol. 43, 1949, p. 6810.

To reduce C formation in a multistage conversion process, fresh synthesis gas is used with aged Fe catalyst to effect 60-90% of the CO conversion at moderately high conversion levels. The unconverted reactants are contacted with relatively fresh Fe catalyst, <1,000 cu. ft. of CO converted per lb. of catalyst, at low conversion levels to complete the conversion. Catalyst fines may be removed and oxygenated compounds withdrawn between stages. 7 United States patents cited.

HERCULES POWDER Co. See abs. 3338.