3423. ----- [SOCIÉTÉ L’AIR LIQUIDE.] Catalytic Apparatus for Ammonia Synthesis. British Patent 280,823, Aug. 9, 1926. Chem. Abs., vol. 23, 1929, p. 937.

PATENT

3423. ----- [SOCIÉTÉ L’AIR LIQUIDE.] Catalytic Apparatus for Ammonia Synthesis. British Patent 289,823, Aug. 9, 1926. Chem. Abs., vol. 23, 1929, p. 937.

In an apparatus in which the gases are circulated through a space so as to have indirect heat exchange with the catalytic material, part of the catalytic material is placed within this space (suitably in concentric tubes). Describes various structural details.

See also British Patent 282,658 (abs. 3418).