Mechanical dewatering process for elastomer slurries

Details Mechanical dewatering process for elastomer slurries Mechanical dewatering process for elastomer slurries

1977-05-27

1979-01-02

Levin, Stanford M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Treating polymer containing material or treating a solid...

260 296PT, 260 296F, 425208, 526 18, 526 27, 526 54, 526254, C08F 622, C08F 624

Patent

active

041328450

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: 3035306 (1962-05-01), Rossiter

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