Removal of iron from aqueous acid solutions containing iron and

Details Removal of iron from aqueous acid solutions containing iron and Removal of iron from aqueous acid solutions containing iron and

1975-02-06

1976-10-12

Vertiz, Oscar R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

423140, 423144, C01G 4902

Patent

active

039858561

ABSTRACT:
The present invention relates to an improved process for removing iron ions from an aqueous acid solution with a minimum removal of copper ions contained therein comprising the steps of combining an organic quaternary salt with the aqueous acid solution in an amount of at least about 0.01% by weight of said solution, adjusting the pH of the solution to a value in the range of from about 2.0 to about 2.5 so that iron ions contained in the solution are hydrolyzed and precipitated and then separating the precipitate from the solution.

REFERENCES:
patent: 2804375 (1957-08-01), Kamlet
patent: 2959467 (1960-11-01), Yusuf et al.
patent: 3235491 (1966-02-01), Rosenberg et al.
chemical Abstracts, vol. 50, No. 3035i (1956).

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