Recovery of unreacted monomers in an olefin polymerization proce

Details Recovery of unreacted monomers in an olefin polymerization proce Recovery of unreacted monomers in an olefin polymerization proce

1993-09-24

1995-02-21

Schofer, Joseph L.

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

Synthetic resins

Removing and recycling removed material from an ongoing...

526901, C08F 234

Patent

active

053916565

ABSTRACT:
A method of recovering and recycling monomers from a gas phase olefins polymerization reactor through the use of the monomer feed stream. A high pressure monomer source is reduced in pressure so as to reduce the temperature of the monomer source. The monomer source is then used to cool and condense monomers contained in various vent gas streams. The condensed monomers are then separated from the gas stream and recycled back to the reactor.

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patent: 4372758 (1983-02-01), Bobst et al.
patent: 4623704 (1986-11-01), Dembicki et al.
patent: 4666998 (1987-05-01), Hagerty
patent: 4727122 (1988-02-01), Lee et al.

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