1527. ------. [I. G. FARBENINDUSTRIE, A. G.] [Reaction Between Carbon Monoxide and Hydrogen.] Belgian Patent 418,492. Apr. 30. 1937: appl. filed Nov. 19, 1936. Chem. Zentralb., 1937. II, p. 4101.

Fixed reaction temperature is maintained by removing the excess heat by indirect heat exchange with wet steam whose saturation point lies at 60-80%.