Granular active alumina with high apparent density and high mech

Details Granular active alumina with high apparent density and high mech Granular active alumina with high apparent density and high mech

1975-04-18

1978-04-11

Arnold, Donald J.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

With subsequent cutting, grooving, breaking, or comminuting

252463, 423628, B01J 2102

Patent

active

040839117

ABSTRACT:
Granular active alumina with high mechanical durability is made by activation of an aluminum hydroxide with an apparent density in the green granular condition of at least 2.20g/cm.sup.3. The green aluminum hydroxide is subjected to compacting by dry compression before activation by a usual heat treatment. Compacting is preferably by running between two rollers.

REFERENCES:
patent: 3795724 (1974-03-01), Paul et al.

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