Closed loop recycle of vent gas in polymerization process

Details Closed loop recycle of vent gas in polymerization process Closed loop recycle of vent gas in polymerization process

1986-05-09

1987-05-19

Michl, Paul R.

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

Synthetic resins

Removing and recycling removed material from an ongoing...

526 70, C08F 234

Patent

active

046669981

ABSTRACT:
A fluidized bed olefin polymerization process incorporates a recycle of a vent gas, containing unreacted monomers, from the product purge bin vessel to the polymerization reactor. The recycle of the vent gas minimizes the loss of the unpolymerized reactants, thereby decreasing overall process and product costs.

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patent: 4372758 (1983-02-01), Bobst et al.
patent: 4469855 (1984-09-01), Cooper
patent: 4481301 (1984-11-01), Nowlin et al.

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