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Return to Abstracts of Patents Return to Abstracts of Patents 1250-1499 Patent Abstracts1261. ------. [I. G. FARBENINDUSTRIE A. G.] Hydrocarbons. British Patent 457,334. Dec. 9, 1936. Chem. Abs., vol. 31. 1937. p. 2612. In the production of solid paraffin hydrocarbons by thermal conversion of CO and H2 at 1-50 atm. pressure, the catalyst is continuously passed through the reaction space, freed outside this space at least partly from hydrocarbons deposited thereon, and returned if desired, after regeneration. Thus, it may be extracted with a suitable solvent, for example, middle oil, C6H6, pyridine, and treated at elevated temperature with H2. Suitable catalysts are metals of groups 8 for example, Fe, Ni, plus basic substances, for example, oxides, hydroxides, or carbonates of alkali or alkaline earth metals, if desired, together with other metals or metal oxides and carriers. Describes apparatus. |