3995. [Catalyst Tubes for Synthesis Furnaces.] German Patent Appl. B 197,857, no date (Cl. 12 g-4.02). Auszüge deut. Patent Anmeldungen, vol. 7, p. 192.

PATENT

3995. [Catalyst Tubes for Synthesis Furnaces.] German Patent Appl. B 197,857, no date (Cl. 12 g-4.02). Auszüge deut. Patent Anmeldungen, vol. 7, p. 192.

Catalyst tube in furnaces for carrying out the synthesis of hydrocarbons from CO and H₂ consists of a perforated tube for introducing the reacting substances, extending axially over a part of the total length and imbedded in the catalyst mass.