3610. ----- [STEINKOHLEN-BERGWERK “RHEINPREUSSEN”]. [Regeneration of Synthesis Catalysts.]. German Patent Appl. St 62,944, no date, (Cl. IV d-12 o). Auszüge deut. Patent-Anmeldungen, vol. 6, p. 365.

PATENT

3610. ----- [STEINKOHLEN-BERGWERK “RHEINPREUSSEN”]. [Regeneration of Synthesis Catalysts.]. German Patent Appl. St 62,944, no date, (Cl. IV d-12 o). Auszüge deut. Patent-Anmeldungen, vol. 6, p. 365.

Catalysts for the hydrogenation of CO made by precipitation for Fe chloride solutions are purified by treating the precipitation product after washing with Ag salt solutions.