Integrated process for treatment of residual solutions from anod

Details Integrated process for treatment of residual solutions from anod Integrated process for treatment of residual solutions from anod

1979-04-03

1981-05-05

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group iiia metal or beryllium

423127, 423128, 423179, 423199, 204DIG13, C01F 702, C01F 774, C01D 500

Patent

active

042658632

ABSTRACT:
A process and installation for the integrated treatment of concentrated residual solutions resulting from the anodization of aluminium parts is described, in which caustic soda is employed in the pickling process and sulphuric acid in the anodization bath.
The process comprises three sets of operations:

REFERENCES:
patent: 2304519 (1942-12-01), Wilson
patent: 2452024 (1948-10-01), Wilson
patent: 2989372 (1961-06-01), Gilbert
patent: 3738868 (1973-06-01), Lancy
patent: 3909405 (1975-09-01), Aoyama
patent: 3953306 (1976-04-01), Lancy

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