Falling strand devolatilizer

B - Operations – Transporting – 01 – D

Patent

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23/376

B01D 1/00 (2006.01) B01D 3/06 (2006.01) B01D 19/00 (2006.01)

Patent

CA 1148333

C-08-12-0424 IMPROVED FALLING STRAND DEVOLATILIZER ABSTRACT OF THE INVENTION The present invention relates to an improved falling strand devolatilizer apparatus having a plurality of stages for devolatilization providing polymers with lower residual monomer and/or volatile contents. The novel apparatus utilizes a final flash tank having two flash compartments that share a common heating and vacuum system wherein a recycle line transfers polymer melt from the first compartment to the second compartment for additional devolatilization.

380863

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