Method of processing finely divided solids which have separated

Details Method of processing finely divided solids which have separated Method of processing finely divided solids which have separated

1988-03-31

1989-05-09

Spear, Frank

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210771, 210787, B01D 2100

Patent

active

048287148

ABSTRACT:
A method of processing finely divided solids which have precipitated or separated out in a liquid. The suspended finely divided solid is converted into a pourable powder with negligible dust content and narrow particle size distribution, without detrimental particle alteration. The suspension is charged into a centrifuge, which may be a reversible-filter centrifuge. The solids are preferably centrifuged at a centrifugal pressure of 0.05-0.5 MPa for 0.5-5 min, and are then gently removed from the centrifuge, to be dried gently in a vibrating fluidized-bed dryer. The method is particularly suitable for processing precipitated synthetic rubbers (which may contain fillers as well) into a pourable powder which retains pourability after storage.

REFERENCES:
patent: 4115477 (1978-09-01), Morris

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