1983. LACHINOV, S. S., AND TELEGIN, V. G. [Iron Catalyst for Ammonia Synthesis.] Russian Patent 52,384, Dec. 31, 1937. Chem. Abs., vol. 34, 1940, p. 3032.

PATENTS

1983. LACHINOV, S. S., AND TELEGIN, V. G. [Iron Catalyst for Ammonia Synthesis.] Russian Patent 52,384, Dec. 31, 1937. Chem. Abs., vol. 34, 1940, p. 3032.

Reducing gases are passed through a mass of oxide at a volume velocity not <4,000, with stepwise increase of temperature 375°-500°.