Process useful in the flocculation of phosphate slimes

Liquid purification or separation – Processes – Making an insoluble substance or accreting suspended...

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210728, 210907, C02B 120

Patent

active

042241499

ABSTRACT:
Use of an effective amount of a precipitant or sequestrant for calcium ions improves performance of anionic polymeric carboxylic acid flocculants in flocculating phosphate slimes.

REFERENCES:
patent: 2783200 (1957-02-01), Crum et al.
patent: 3418237 (1968-12-01), Booth et al.
patent: 3932275 (1976-01-01), Mewes et al.
patent: 4036749 (1977-07-01), Anderson
patent: 4049547 (1977-09-01), Hamer et al.

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