Process for the continuous dehydration and calcination of hydrat

Details Process for the continuous dehydration and calcination of hydrat Process for the continuous dehydration and calcination of hydrat

1979-10-03

1981-02-03

Hearn, Brian E.

Chemistry of inorganic compounds

Halogen or compound thereof

Binary fluorine containing compound

C01F 750

Patent

active

042488494

ABSTRACT:
The invention relates to a continuous, two-stage process for complete dehydration and subsequent calcination of aluminum fluoride hydrates.
The known processes used for this purpose are satisfactory for producing relatively small quantities of aluminum fluoride. In the production of larger quantities of aluminum fluoride however several problems arise with respect to trouble free control and supervision of the process and maintainance of the equipment.
The disadvantages which up to now have been mainly due to the process itself are removed by the combination of the following process steps:

REFERENCES:
patent: 3057681 (1962-10-01), Gernes
patent: 3606283 (1971-09-01), Weber

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