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 1329.    HALL, C. C., AND POWELL, A. R.  Krupp-Lurgi Low-Temperature Carbonization Plant.  CIOS Rept. XXV-25, 1945, 8 pp., PB 288; TOM Reel 197; Iron and Coal Trades Rev., vol. 152, 1946, pp. 249-250.

       Krupp works at Wanne-Eickel was primarily a Fischer-Tropsch plant for producing synthetic oil.  In connection with it was a low-temperature carbonizing plant using high-volatile Ruhr coking coal to make a coke suitable for synthesis-gas production.  The ovens were heated by the Fischer-Tropsch tail gas.  The large coke was used in water-gas generators giving a water gas with a 1.35 ratio of H₂ : CO, which is considerably higher than obtained from high-temperature coke.  It was claimed that the process as carried out gave 30-35% more total oil than would be obtained from a high-temperature coking plant plus a Fischer-Tropsch plant.