Alumina spheroids with controlled small particle size and a proc

Details Alumina spheroids with controlled small particle size and a proc Alumina spheroids with controlled small particle size and a proc

1981-12-30

1983-07-12

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252463, B01J 3508

Patent

active

043929877

ABSTRACT:
Small size alumina particles of controlled sizes suitable for use as a catalyst support can be made from an acidified alumina slurry by spraying under nonatomizing conditions from a nozzle with a gas or inert fluid used to disperse the slurry into small droplets. The droplets can either be sent through an ammoniated kerosene column or the acidified slurry can be spray dried. Small alumina spheroids are produced, which after calcination, have controlled size diameters from about 0.01 mm. to about 2.0 mm.

REFERENCES:
patent: 2746934 (1956-05-01), Richardson et al.
patent: 4116882 (1978-09-01), Bendig et al.
patent: 4169874 (1979-10-01), Bambrick
patent: 4179408 (1979-12-01), Sanchez et al.
patent: 4198318 (1980-04-01), Stowell et al.

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