806. ------. [GIESEN, J., HANISCH, H., AND DALLY, M.] (W. E. Currie). Purification of Synthetic Methanol. United States Patent 2,242,463, May 20, 1941: appl. filed Aug. 23, 1938, Serial No. 226,256, in Germany Sept. 10, 1937; 2 claims (Cl. 202-57). C

Patent Abstracts

806. ------. [GIESEN, J., HANISCH, H., AND DALLY, M.] (W. E. Currie). Purification of Synthetic Methanol. United States Patent 2,242,463, May 20, 1941: appl. filed Aug. 23, 1938, Serial No. 226,256, in Germany Sept. 10, 1937; 2 claims (Cl. 202-57). Chem. Abs., vol. 35, 1941, p. 5518.

Synthetic MeOH obtained by the catalytic hydrogenation of CO₂ can be purified by distillation under pressure, using chromic acid as a counter-current wash liquid, withdrawing this from the bottom of thee column while the deodorized MeOH escapes from the top of the column.

GILBERT, W. I. See abs. 2389.