Method for the formation of alumina spheres

Details Method for the formation of alumina spheres Method for the formation of alumina spheres

1977-12-14

1978-09-26

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252463, 423626, B01J 2104

Patent

active

041168828

ABSTRACT:
Alumina spheres are formed by peptizing alumina slurries, centrifugates, and filtercakes, aging and dropping the peptized material through a hydrocarbon filled column. The improved method avoids the drying and reslurrying of alumina powders currently used and provides a method whereby harmful ions such as chloride and sulfates can be excluded from the alumina.

REFERENCES:
patent: 2435379 (1948-02-01), Archibald
patent: 2532497 (1950-12-01), Hoekstra

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