PATENT

3282. ----- [SCHMALFELDT, H.AND WINTERSHALL A. G.]  [Water Gas or Synthesis Gas From Lignite Dust.]  Italian Patent 351,674, mar. 31, 1937.  Chem. Zentralb., 1938, I, p. 2664.

Lignite dust is gasified by means of a circulating stream of rinse gas into which the dust remaining in suspension is introduced.  The reaction space per m.3 of water or synthesis gas produced is not less than 0.03 m.3  The dust must be finer than 60% of the residue on the 4,900-mesh sieve.