Separation method

Details Separation method Separation method

1993-08-31

1996-01-09

Savage, Matthew O.

Liquid purification or separation

Processes

Separating

210772, 210805, B01D 3702

Patent

active

054826276

ABSTRACT:
A method of separating solid particles from a mixture of solid and liquid components comprises filtering the mixture to provide a damp filter cake and adding a liquid densification aid to the filter cake to promote densification of the cake. The method is useful for separation of inorganic, generally crystalline, materials from aqueous slurries, for example. Suitable densification aids are flocculating agents such as solutions of alginates and gelatin, and surface active agents. The densification aids promote closer packing of solid particles in the filter cake and assist removal of residual liquid component trapped in interstices between particles.

REFERENCES:
patent: 4385903 (1983-05-01), Moriyama et al.
patent: 4559143 (1985-12-01), Asada et al.
patent: 4710298 (1987-12-01), Noda et al.
patent: 5011612 (1991-04-01), Keeney
patent: 5096597 (1992-03-01), Nichols et al.
patent: 5167831 (1992-12-01), Dimas

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