Method for preparing ferric chloride

Details Method for preparing ferric chloride Method for preparing ferric chloride

1991-12-20

1993-10-05

Brunsman, David

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Iron group metal

423493, C01G 4910

Patent

active

052502767

ABSTRACT:
A method for preparing anhydrous ferric chloride from a hydrous solution containing ferric chloride that contains organic substances and/or ferrous chloride. In the method, water is removed from a ferric-chloride water solution or a solution, in which at least a portion of the ferrous chloride has been converted by oxidation into ferric chloride, by drying in an atmosphere containing hydrochloric acid. The anhydrous ferric chloride is refined by sublimating it into gas phase in a chlorine-containing atmosphere and by subliming it into a pure crystalline ferric chloride.

REFERENCES:
patent: 4874483 (1989-10-01), Wakabayashi et al.

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