2973.     ---------------.  [RUHRCHEMIE, A.-G.]  [Recycle Method of Gasoline Synthesis.]  FIAT Reel L-5, Feb. 19, 1941, frames 145-147; PB 70,159; TOM Reel 299.

        End gas from the synthesis operation is mixed with fresh gas, and the mixture is charged into the converter.  This recycle method insures the utilization of every particle of CO and H₂.