Production of material consisting of solid hollow spheroids

Details Production of material consisting of solid hollow spheroids Production of material consisting of solid hollow spheroids

B - Operations, Transporting

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B01J 29/06 (2006.01) B01D 53/86 (2006.01) B01J 2/14 (2006.01) B01J 21/04 (2006.01) B01J 35/08 (2006.01) B01J 37/00 (2006.01) C04B 35/10 (2006.01) C04B 35/626 (2006.01) C04B 38/00 (2006.01)

Patent

CA 1052366

PRODUCTION OF MATERIAL CONSISTING OF SOLID HOLLOW SPHEROIDS. ABSTRACT OF THE DISCLOSURE: Production of solid, hollow and spheroidic material for use as a carrier supporting motor exhaust gas decontamination catalysts. To this end, spheroidal particles of material being oxidizable and/or low melting and/or soluble in organic solvents are placed on to a pelletizing table. Ceramic pulverulent material is distributed thereover and a aqueous cellulose ether solution is simultaneously sprayed thereonto to cause precipitation of the ceramic material on the particles. The resulting pellets are dried at 20 - 95°C and freed from material being oxidizable and/or low melting and/or solute organic solvents, and finally calcined at 1000 - 1500°C.

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