Process for manufacturing aluminum oxide

Details Process for manufacturing aluminum oxide Process for manufacturing aluminum oxide

1976-06-28

1978-04-18

Carter, Herbert T.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

220 21R, C01F 732

Patent

active

040852016

ABSTRACT:
There is disclosed a two step process for manufacturing aluminum oxide of controlled particle size from aluminum sulfate by the thermal decomposition of aluminum sulfate into aluminum oxide and other gaseous by-products at a relatively low temperature, and the treatment of the aluminum oxide product of the first step at a controlled higher temperature for the purpose of increasing the average particle size by a desired amount.

REFERENCES:
patent: 2773741 (1956-12-01), Antonsen
patent: 2801901 (1957-08-01), Dingman et al.
patent: 2828186 (1958-03-01), Dingman et al.
patent: 3275405 (1966-09-01), Clark
patent: 3672831 (1972-06-01), Dueker et al.

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