2876.     ---------------.  [ROELEN, O., AND HECKEL, H.]  [Influence of the Condition of the Kieselguhr on the Stability of the Catalyst.]  FIAT Reel K-20, Sept. 12, 1939, frames 337-339; PB 70,211; TOM Reel 287.

        After a discussion of the possible dependence of the catalyst stability on the condition of the kieselguhr, a method is described whereby the proportion of dust can be decreased considerably by sintering the kieselguhr with an Mg salt at 1,000°.