Separation of suspended solids from phosphate tailings

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

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210727, 210907, B01D 2101, C02F 156

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active

042657709

ABSTRACT:
A process for separating suspended clay and sand solids from the slimes of phosphate tailings is described. The suspended solids are rapidly agglomerated and a relatively dense sludge which settles to the bottom of the separation vessel is formed. The sludge may then be discharged into settling ponds for dewatering and compaction.

REFERENCES:
patent: 3350302 (1967-10-01), Demeter et al.
patent: 3523889 (1970-08-01), Eis
patent: 3622087 (1971-11-01), Oltmann
patent: 3680698 (1972-08-01), Liu et al.
patent: 3763041 (1973-10-01), Cook et al.

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