Process for thermal decomposition of aluminum chloride hexahydra

Details Process for thermal decomposition of aluminum chloride hexahydra Process for thermal decomposition of aluminum chloride hexahydra

1976-05-20

1978-03-21

Carter, Herbert T.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423DIG16, 423481, 34 10, 34 11, 432 15, 23262, 23277R, 23284, C01F 730

Patent

active

040804372

ABSTRACT:
Process for the thermal decomposition of aluminum chloride hexahydrate into anhydrous Al.sub.2 O.sub.3, comprising predrying and then decomposition in a fluidization reactor, the said fluidization being ensured by recycled gaseous HCl, and finally heating at the temperature necessary to obtain the desired crystallization state, namely anhydrous Al.sub.2 O.sub.3, the said pre-drying being carried out by the gases coming from this final heating.

REFERENCES:
patent: 2539263 (1951-01-01), Munday
patent: 2780525 (1957-02-01), Wendell et al.
patent: 3130008 (1964-04-01), Stokes et al.
patent: 3144303 (1964-08-01), Engelmann
patent: 3579616 (1971-05-01), Reh et al.
patent: 3648380 (1972-03-01), Guilloud
patent: 3754993 (1973-08-01), Oguchi et al.
patent: 3836635 (1974-09-01), Reh et al.
Reh, "Chemical Engineering Progress", vol. 67, No. 2, 1971, pp. 58-63.

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