Process for the production of low density activated alumina form

Details Process for the production of low density activated alumina form Process for the production of low density activated alumina form

1983-04-01

1984-04-24

Shine, W. J.

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

And additional al or si containing component

502 80, 502243, 502252, 502263, 502349, 502351, 502355, 502439, 423628, B01J 2104, B01J 2108, B01J 2112

Patent

active

044448996

ABSTRACT:
An improved process for the production of a low density formed product of an activated alumina having a large macro-pore volume and an excellent abrasion resistance, which comprises mixing the starting solid material selected from an alumina powder being able to be re-hydrated and a mixture of the alumina and other solid material with water, said starting solid material having an average particle size of 1 micron to 35 micron and a quarter deviation of particle distribution of not more than about 1.5, forming the mixture of a solid material and water into various shapes, re-hydrating the formed product by keeping it under wetted atmosphere or in water, and calcining the resulting re-hydrated product.

REFERENCES:
patent: 3184414 (1965-05-01), Koch et al.
patent: 3943064 (1976-03-01), Ballain et al.
patent: 4045372 (1977-08-01), Warthen et al.
patent: 4120942 (1978-10-01), Spitzer et al.

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