PATENT

3281. ----- [SCHMALFELDT, H.AND WINTERSHALL A. G.]  [Gas for Benzine Synthesis by the Pressureless Method.]  German Patent 693,370, June 13, 1940; (Cl. 24 e1.05).   Chem. Abs., vol. 35, 1941, p. 4941.

Water gas required is generated chiefly from brown coal or its derivatives.  Part of the gases is not converted into benzine.  This residue is freed of CO2 and part of it returned depends on the N2 content, and care should be taken not to allow too much N2 to get into the converted.