Method for controlling removal of polymerization reaction efflue

Details Method for controlling removal of polymerization reaction efflue Method for controlling removal of polymerization reaction efflue

1994-07-27

1995-10-03

Schofer, Joseph L.

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

Synthetic resins

Effecting a change in a polymerization process in response...

526 64, C08F 212

Patent

active

054553148

ABSTRACT:
In withdrawing a reaction slurry from a polymerization reactor wherein solid particles in the slurry must be maintained in solution to prevent solidification, a redundant effluent line is provided to remove the slurry in the event the primary line becomes plugged. In use the primary and redundant lines are controlled in different manners such that a v-notch ball valve in the primary line is manipulated continuously to remove effluent while maintaining stable reactor conditions, and a control valve in the redundant line is manipulated intermittently as a backup for the primary control valve.

REFERENCES:
patent: 3257362 (1966-06-01), Norwood
patent: 3257363 (1966-06-01), Miller et al.
patent: 4989569 (1991-02-01), Eidler
patent: 5183866 (1993-02-01), Hottovy
patent: 5183866 (1993-02-01), Hottovy

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