Preparation of abrasive material from spent catalysts

Details Preparation of abrasive material from spent catalysts Preparation of abrasive material from spent catalysts

1977-10-25

1979-03-06

Arnold, Donald J.

Abrasive tool making process, material, or composition

With inorganic material

Clay, silica, or silicate

51309, 106 65, C04B 3116, B24D 304

Patent

active

041428714

ABSTRACT:
An abrasive material is prepared from a starting material comprised of a spent metallic catalyst on an alumina carrier by melting the starting material with a reducing agent to obtain a melt consisting of a melt component including the alumina on an alloy residue, cooling the melt at a speed correlated with a desired crystallite size of the abrasive material to be obtained, and mechanically separating the melt component from the alloy residue before or after solidification, the melt component constituting the abrasive material.

REFERENCES:
patent: 3615308 (1971-10-01), Amero
patent: 3891408 (1975-06-01), Rowse et al.
patent: 3918219 (1975-11-01), Wentorf et al.
patent: 4035162 (1977-07-01), Brothers et al.
patent: 4061699 (1977-12-01), Cichy

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