1853.  KIMURA, T. (Mitsui Kôzan K. K.) [Synthesis of Methanol.] Japanese Patent 96,341, June 21, 1932. Chem. Abs., vol. 27, 1933, p. 4818.

Trace of H₂O is a mixture of CO and H₂ is eliminated (<0.01%) by cooling the mixture under pressure of 50,000 atm. or by passing the mixture through active C or silica gel under pressure. The formation of CO₂ and CH₄ is prevented.