Process for producing alumina

Details Process for producing alumina Process for producing alumina

1977-08-08

1979-04-24

Carter, Herbert T.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423627, 423630, 423631, C01F 742

Patent

active

041512677

ABSTRACT:
Pure alumina is produced from aluminum metal by steps of activation by stripping the oxide layer in an acidic aqueous medium; washing in a neutral medium; reacting in a neutral, acidic or alkaline medium to give hydrated alumina; and igniting the hydrated alumina.

REFERENCES:
patent: RE22196 (1942-10-01), Heard
patent: 2982614 (1961-05-01), Csordas et al.

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