Calcining method for alumina

Details Calcining method for alumina Calcining method for alumina

1975-01-06

1976-09-07

Carter, Herbert T.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423630, 252463, C01F 700

Patent

active

039795047

ABSTRACT:
Alumina having improved color characteristics and improved extrusion properties is produced by an improvement in the process for producing low-density, high-porosity, high-surface area alumina from an aqueous alumina slurry by contacting said aqueous alumina slurry with an effective amount of an organic solvent to form a solvent-aqueous alumina mixture; drying said mixture and recovering said low-density, high-porosity, high-surface area alumina, comprising drying said solvent-aqueous alumina mixture in an inert atmosphere.

REFERENCES:
patent: 2773842 (1956-12-01), Kimberlin et al.
patent: 2776188 (1957-01-01), Gilbert
patent: 3419352 (1968-12-01), Ciariani
patent: 3647374 (1972-03-01), Nomura et al.
patent: 3773691 (1973-11-01), Leach

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