Mechanical dewatering apparatus for elastomer slurries

Details Mechanical dewatering apparatus for elastomer slurries Mechanical dewatering apparatus for elastomer slurries

1978-06-19

1980-10-14

Spear, Jr., Frank A.

Liquid purification or separation

With means to add treating material

With distinct reactor tank, trough or compartment

210220, 210251, 210523, 425208, B01D 2114, C08F 622

Patent

active

042280052

ABSTRACT:
A method is provided for isolating an elastomer from a mixture of the elastomer and water containing up to about 90% by weight water by feeding the mixture into a thermally controlled, vertical separator containing a rotating screw, simultaneously feeding excess water under pressure into the separator, withdrawing concentrated elastomer containing less than about 10% by weight total volatiles (including water) from the metering section of the separator and withdrawing feed water and excess water from a water discharge port located near the upper end of the separator.
In addition, apparatus for isolating elastomers from mixtures of elastomers and water is provided.

REFERENCES:
patent: 2931508 (1960-04-01), Morris et al.
patent: 3439810 (1969-04-01), Newman et al.
patent: 3457880 (1969-07-01), Eppenberger
patent: 3859217 (1975-01-01), Holstead et al.
patent: 3920229 (1975-11-01), Piggott

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