1222. ------. [I. G. FARBENINDUSTRIE A. G.] Dehydrogenated Hydrocarbons. British Patent 502,961, Mar. 27, 1939; appl. filed July 27, 1937. Chem. Abs., vol. 33, 1939, p. 7529.

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Patent Abstracts

Benzines obtained by reduction of CO are dehydrogenated and/or converted into aromatic hydrocarbons by treatment at 350°-500° in presence of a catalyst comprising alumina with a smaller proportion of a 6^th group metal or compound. In an example, a mixture of alumina 3 and MoO₃ 1 part is used, and the reaction temperature is 460°, the product having an octane no. of 60 and containing 35% of aromatic hydrocarbons.