1701. ------. [INTERNATIONAL HYDROCARBON SYNTHESIS CO.] Regeneration of Catalysts for the Hydrogenation of Carbon Monoxide. British Patent 533,459, Feb. 13, 1941. Chem. Abs., vol. 36. 1942, p. 1168.

PATENTS

1701. 1701. ------. [INTERNATIONAL HYDROCARBON SYNTHESIS CO.] Regeneration of Catalysts for the Hydrogenation of Carbon Monoxide. British Patent 533,459, Feb. 13, 1941. Chem. Abs., vol. 36. 1942, p. 1168.

After a treatment with solvents, the catalyst is treated with H₂ at 400°-450° for such a period of time until the catalyst has again attained the activity of a fresh prepared catalyst. This time is generally 2-4 hr. A velocity of 1,000 m.³ of cross section of the passageway is particularly advantageous. Temperature is preferably increased gradually.