Process for producing iron oxide products from waste liquids con

Details Process for producing iron oxide products from waste liquids con Process for producing iron oxide products from waste liquids con

1974-12-23

1976-07-20

Vertiz, Oscar R.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Iron group metal

252 6256, 423151, 423632, 423633, 423634, C01G 4902

Patent

active

039707385

ABSTRACT:
The processes for producing iron oxide products from a solution of ferrous salts selected from the group consisting of waste liquid containing ferrous salts and aqueous solution in which ferrous salts obtained from the waste liquid are dissolved, under the acid, wet and high ferrous concentration conditions. More particularly, the processes for purifying said waste liquids comprising the bivalent iron removing steps.

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patent: 2631085 (1953-03-01), Bennetch
patent: 2665969 (1954-01-01), Townend et al.
patent: 2689167 (1954-09-01), Dovey et al.
patent: 2689168 (1954-09-01), Dovey et al.
patent: 3574683 (1971-04-01), Johnston
patent: 3619137 (1971-11-01), Ratcliffe
patent: 3743707 (1973-07-01), Iwase et al.
patent: 3755554 (1973-08-01), Lailach

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