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Return to Abstracts of Patents Return to Abstracts of Patents 1000-1249 Patent Abstracts1196. ------. [I. G. FARBENINDUSTRIE A. G.] [Catalytic Synthesis off Hydrocarbons.] French Patent 841,030. May 9, 1939. Chem. Abs., vol. 34, 1940. p. 1684. Hydrocarbons with more than 1 C atom or of oxygenated derivatives of hydrocarbons, solid or liquid, are synthesized from CO and H2 in a liquid medium, using as catalysts agglutinated heavy metals, particularly those of group S of the periodic table (Fe is preferred). The agglutinated metals are obtained, either by heating the metals themselves in powdery state at 600°-1,000° in presence of a nonoxidizing gas, such as N2, or by heating reducible metallic compounds, such as oxides or hydroxides, at 600°-1,000° in presence of a reducing gas, such as H2. Addition of Al2O3, SiO2, infusorial earth, compounds of Cu, Ti, Mn, Cr, W, Th, Zr, Ce, and other rare earths increases the activity of the catalysts. As the liquid medium, a mineral oil or a tar oil is used. |