PATENT

3752.  TRAMM, H., AND KOLLING, H.  (Ruhrchemie A.G.).  [Catalyst Regeneration.]  German Patent 740,535, no date.  Kainer, p. 244.

To remove deposits of C from the catalyst, mixed air and steam are passed over it at a flow rate of 620 and 180 m.³, respectively, per hr.