1927. ------. [KOPPERS, H., G. m. b. H.] [Hydrocarbons From Sulfurous Gases Containing Carbon Monoxide and Hydrogen.] German Patent Appl. K 149,907, no date (Cl. IV d-12 o). Auszüge deut. Patent-Anmeldungen, vol. 6, p. 251.

PATENTS

1927. ------. [KOPPERS, H., G. m. b. H.] [Hydrocarbons From Sulfurous Gases Containing Carbon Monoxide and Hydrogen.] German Patent Appl. K 149,907, no date (Cl. IV d-12 o). Auszüge deut. Patent-Anmeldungen, vol. 6, p. 251.

Fe catalysts are started 1^st with a synthesis gas free from S compounds such as that which has already passed over a catalyst of group 8 of the periodic system. Thereafter operation is continued with S-containing gas after full efficiency is attained relative to the yield of liquid hydrocarbons.