B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
B28B 1/00 (2006.01)
Patent
CA 2572759
Methods for producing solid, substantially round, spherical and sintered particles from a slurry of a calcined, uncalcined or partially calcined raw material having an alumina content of greater than about 40 weight percent. The slurry is processed with spray drying methods into solid, substantially round, spherical and sintered particles having an average particle size greater than about 200 microns, a bulk density of greater than about 1.40 g/cc, and an apparent specific gravity of greater than about 2.60.
L'invention concerne des procédés de production de particules sphériques frittées, solides et sensiblement circulaires, à partir d'une suspension de matière première calcinée, non calcinée ou partiellement calcinée à teneur en alumine supérieure à environ 40 %. La suspension est traitée selon des procédés de séchage par atomisation donnant les particules décrites, de taille moyenne supérieure à environ 200 microns, de densité apparente supérieure à environ 1,40 g/cc, et de gravité apparente spécifique supérieure à environ 2,60.
Canova Steve
Palamara Thomas C.
Wood Jimmy C.
Carbo Ceramics Inc.
Gowling Lafleur Henderson Llp
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