Method of precipitation of pure aluminiumchloride from solutions

Details Method of precipitation of pure aluminiumchloride from solutions Method of precipitation of pure aluminiumchloride from solutions

1980-02-04

1981-10-27

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

423132, 423495, C01F 722, C01F 730

Patent

active

042973279

ABSTRACT:
Method of producing aluminiumchloride with a low content of magnesium from hydrochloric acid solutions which contain ions of aluminium and magnesium and from which the aluminiumchloride is precipitated by hydrochloric gas and where the precipitation is carried out continuously in cascade so that the major part of the aluminium will be precipitated from solutions in which the ratio between aluminium and magnesium calculated as g Al.sup.+3 /g Mg.sup.+2 is above 0,5. Produced aluminiumchloride may be transformed to aluminiumoxide by calcination.

REFERENCES:
patent: 558725 (1896-04-01), Gooch
patent: 1656769 (1928-01-01), Blanc
patent: 1701510 (1929-02-01), Sieurin
patent: 2752223 (1956-06-01), Reeve
patent: 4110399 (1978-08-01), Gauderank et al.
patent: 4158042 (1979-06-01), Deutschman
patent: 4177242 (1979-12-01), Cohen et al.

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