Process for preparing shaped particles from rehydratable alumina

Details Process for preparing shaped particles from rehydratable alumina Process for preparing shaped particles from rehydratable alumina

1976-09-16

1977-12-27

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

423628, B01J 2104

Patent

active

040654079

ABSTRACT:
Disclosed is a process for preparing shaped alumina particles for catalysts or catalyst supports by passing droplets of an aqueous slurry of a rehydratable alumina composition through a shaping medium, such as a column of water-immiscible liquid. The alumina composition undergoes rehydration while being shaped as it passes through the shaping medium, and accordingly, firm, discrete alumina bodies are produced.

REFERENCES:
patent: 2881051 (1959-04-01), Pingard
patent: 3223483 (1965-12-01), Osment
patent: 3346336 (1967-10-01), Hayes
patent: 3558508 (1971-01-01), Keith et al.
patent: 3576768 (1971-04-01), Kehl et al.
patent: 3645914 (1972-02-01), Rosinski et al.
patent: 3714313 (1973-01-01), Beiding et al.
patent: 3853789 (1974-12-01), Warthen et al.

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