Manufacture of ferric sulphate

Details Manufacture of ferric sulphate Manufacture of ferric sulphate

1991-09-26

1993-03-16

Straub, Gary P.

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

423143, 423145, 4231505, 423DIG3, C01G 4900, C01G 4914

Patent

active

051942402

ABSTRACT:
A process for the manufacture of ferric sulphate from ferrous sulphate in a closed circuit or vessel comprising a liquid phase and a vapor phase, wherein the vapor phase is essentially a closed system, the process comprising the oxidation between about 70.degree. C. to about 150.degree. C. of Fe.sup.++ .fwdarw.Fe.sup.+++ under pressure utilizing commercial oxygen in the closed circuit or vessel using (NO.sub.x) as a catalyst where x is a number between 1 and 2 inclusive of 1 and 2, and wherein the process comprises the following reactions:

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