PATENTS

1885.  KLEINSCHMIDT, R. V. (E. I. du Pont de Nemours & Co.). Catalytic Exothermic Gaseous Reactions Such as Methanol Synthesis. United States Patent 2,051,774. Aug 18, 1936. British Chem. Abs., B, 1937, p. 991; Chem. Abs., vol. 30, 1936, p. 6765.

Portion of the entering gas such as a CO and H2 mixture is passed within and in heat exchange relation with, but not in contact with, a catalyst, and this portion of the gas is then combined with another portion of the entering gas, and the gases are subjected to further thermal treatment by heat exchange with, but out of contact with, gases issuing from direct contact with the catalyst, and are then introduced into direct contact with the catalyst. Describes apparatus.