3837.  VOLK, F. [Water Gas.] Austrian Patent 146,202, June 25, 1936 (Cl. 24 e). Chem. Abs., vol. 30, 1936, p. 6172.

In a system in which bituminous fuel is coked and the coke is then converted into water gas, the water gas is collected separately from the volatile coking products, and the latter are subjected to partial combustion to yield a mixture of H₂ and CO, which is added to the water gas. Describes plant.