Purification of aqueous liquor

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

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210734, 210735, C02F 156

Patent

active

051125005

ABSTRACT:
Suspended solids are separated from an aqueous suspension by mixing into the suspension first and second flocculants that would normally be incompatible in solution but which are added in the form of solids which dissolve into the suspension, and the resultant flocculated material is separated from the flocculated suspension.

REFERENCES:
patent: 3836200 (1974-09-01), Booth
patent: 3860526 (1975-01-01), Corbett
patent: 3977971 (1976-08-01), Quinn et al.
patent: 4089831 (1978-05-01), Chambers
patent: 4720346 (1988-01-01), Flesher et al.
patent: 4835206 (1989-05-01), Farrar et al.
Hood et al., "Dewatering of Red Mud", Process Technol. Proc., 4(Flocculation, Biotechnol. Sep. Syst.) pp. 773-791.

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