Production of potassium hexafluotitanates using dilute hydrofluo

Details Production of potassium hexafluotitanates using dilute hydrofluo Production of potassium hexafluotitanates using dilute hydrofluo

1983-10-14

1985-02-05

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ivb metal

423341, 423465, 423 85, C01G 2302

Patent

active

044977794

ABSTRACT:
A process is provided for recovering fluorine from dilute hydrofluoric acid solutions, such as waste scrubber solution obtained in the treatment of phosphates. The dilute solution is used to react with oxidic titanium material to solubilize the contained titanium and subsequently form, in the presence of potassium ions, crystals of K.sub.2 TiF.sub.6 which are commercially useful as a grain-refining agent in the manufacture of aluminum alloys.

REFERENCES:
patent: 1501587 (1924-07-01), Doremus
patent: 2568341 (1951-09-01), Kawecki et al.

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