1803.  KAUFMAN, B. I. (M. W. Kellogg Co.). Hydrogenation of Oxygenated Organic Compounds. United States Patent 2,623,893, Dec. 30, 1952; appl. filed Nov. 9, 1948, Serial No. 59,173; 8 claims (Cl. 260-450).

Tail gas from hydrogenation of CO is used for hydrogenation of oxygenated organic compounds. To eliminate CO, the tail gas and steam may be passed over a water-gas shift catalyst such as Ni, Fe-Cr, or Co at 600°-700° F. to form CH₄ or CO₂. After the aldehyde-ketone conversion, the CH₄ and CO₄ may be used by recycling the remaining gases to the gas-making step when CH₄ is formed, or either to the gas-making or synthesis step when CO₂ is formed. 1 literature ref. and 9 U. S. patents cited.

KAUFMAN, H. See abs. 1039.