Dispersion of iron (III) oxides using certain dihydroxaromatic c

Details Dispersion of iron (III) oxides using certain dihydroxaromatic c Dispersion of iron (III) oxides using certain dihydroxaromatic c

1991-10-09

1993-06-29

Hruskoci, Peter

Liquid purification or separation

Processes

Preventing, decreasing, or delaying precipitation,...

210699, 252180, 422 14, C02F 510

Patent

active

052231461

ABSTRACT:
A method for treating an aqueous system which contains solid particles of iron (III) oxide is disclosed which comprises adding to the system catechol, hydroquinone, their water soluble salts, and mixtures thereof in an amount effective to disperse or suspend iron (III) oxide particles. The aqueous system should have a pH greater than 7 and have low to moderate hardness.

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