Thermal decomposition of aluminum chloride hexahydrate

Details Thermal decomposition of aluminum chloride hexahydrate Thermal decomposition of aluminum chloride hexahydrate

1982-05-07

1983-09-06

Carter, Herbert T.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423DIG16, 423481, C01F 730

Patent

active

044029322

ABSTRACT:
Aluminum chloride hexahydrate is thermally decomposed to alumina by sequential treatment in two dense fluidized-bed decomposers, the first decomposer being operated at a temperature of about 200.degree. to 400.degree. C. and the second at a temperature of about 900.degree. to 1100.degree. C. About 90 to 95 percent decomposition is achieved in the first decomposer, with substantially complete decomposition of the remainder in the second decomposer. Fluidization in the first decomposer is preferably achieved by means of recycle of product gases.

REFERENCES:
patent: 4080437 (1978-03-01), Reh et al.
patent: 4091085 (1978-05-01), Reh et al.
patent: 4159313 (1979-06-01), Mercier et al.
patent: 4226844 (1980-10-01), Reh et al.
patent: 4259311 (1981-03-01), Shah

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