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Patent Abstracts

Crude reaction products obtained from the catalytic hydrogenation of CO may be separated by preferential adsorption on solid absorbents, such as silica gel. Generally the crude reaction product is fractionated into cuts of 100º-200º F. boiling range. Each cut is charged in liquid phase to the adsorption column. A desorbing liquid (light alcohol) is then passed through the column, and the effluent is collected in 3 cuts; the 1^stconsists essentially of paraffinic and olefinic hydrocarbons, the 2d consists essentially of aromatic hydrocarbons, and the 3d consists essentially of oxygenated organic compounds.