Method of preparing a controlled pore volume alumina with citric

Details Method of preparing a controlled pore volume alumina with citric Method of preparing a controlled pore volume alumina with citric

1977-11-10

1979-12-18

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252463, 252466J, 208216PP, 208254R, 423626, 423628, B01J 2104, B01J 2328, B01J 2330, B01J 2374

Patent

active

041794117

ABSTRACT:
A method for preparing an alumina having controlled pore volume distribution is disclosed. The method requires the presence of 0.1-15% by weight of a water soluble aliphatic polycarboxylic acid having from 2-12 carbon atoms based on the dry weight of Al.sub.2 O.sub.3, during alumina precipitation. The resultant calcined alumina has a pore volume distribution such that:

REFERENCES:
patent: 3105053 (1963-09-01), Cramer et al.
patent: 3105739 (1963-10-01), Hayes
patent: 3152865 (1964-10-01), Koch
patent: 3814683 (1974-06-01), Christman et al.

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