Manufacture of hydroxylated ferric sulphate compound

Chemistry of inorganic compounds – Sulfur or compound thereof – Oxygen containing

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Details

423143, 423145, 423DIG3, C01G 4914, C01G 4902

Patent

active

051942410

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, the process comprising the oxidation between about 70.degree. C. to about 150.degree. C. of Fe.sup.++ .fwdarw.Fe.sup.+++ under pressure utilizing 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, {NO.sub.x being a mixture of NO and NO.sub.2 } and wherein the process comprises the following reactions:

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