C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
182/133, 23/376
C08F 6/24 (2006.01) B01D 21/00 (2006.01)
Patent
CA 1118368
ABSTRACT OF THE DISCLOSURE A method is provided for isolating an elastomer from a mixture of the elastomer and water containing up to about 90% 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% 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.
303931
Covington Robert A.
Ekiner Okan M.
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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