Flocculant composition

Details Flocculant composition Flocculant composition

1984-03-15

1985-10-29

Therkorn, Ernest G.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210734, C02F 156

Patent

active

045499675

ABSTRACT:
A process of improving the flocculation activity of water-soluble anionic vinyl polymers used to flocculate suspended solids from aqueous systems, which aqueous systems also contain adverse amounts of calcium, magnesium, ferrous and/or ferric ions, the improvement which comprises performing the process in the presence of an effective amount of an alkali metal salt selected from the group consisting of alkali metal tetraborates, tribasic phosphates, permanganates and silicates.

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