Method of removal of arsenic from a sulfuric acid solution

Details Method of removal of arsenic from a sulfuric acid solution Method of removal of arsenic from a sulfuric acid solution

1978-12-08

1980-12-23

Vertiz, O. R.

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

423 87, 423601, C01B 1790, C01G 2802

Patent

active

042410398

ABSTRACT:
A method of removal of arsenic from an acidic solution, in which ferrous ions contained in the solution are oxidized in the presence of high pressured oxygen and sulfuric acid to ferric ions, the solution with said ferric ions being mixed with the solution which has not subjected to oxidation, and the mixture of said solutions being controlled of its pH whereby ferric hydroxide is precipitated, which coprecipitates and adsorbs arsenic thereto.

REFERENCES:
patent: 2686114 (1954-08-01), McGauley et al.
patent: 2835569 (1958-05-01), Reynaud
patent: 2959467 (1960-05-01), Yusuf
patent: 3107977 (1963-10-01), Borvali et al.
patent: 3684492 (1972-08-01), Columbini et al.
patent: 3911078 (1975-10-01), Nadkarni et al.

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