Method and apparatus for feeding a catalyst

Details Method and apparatus for feeding a catalyst Method and apparatus for feeding a catalyst

1994-03-31

1995-07-18

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Organic polymerization

422213, 422219, 406125, C08F 200, B01J 808, B65G 5336

Patent

active

054339243

ABSTRACT:
A catalyst feed system is described for intermittent delivery of supported and/or prepolymerized supported catalyst to a polymerization reactor. The system incorporates valves with cylindrical sealing surfaces as well as a venting stage incorporating a filter arranged such that it is self-cleaning.

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patent: 4610574 (1986-09-01), Peters
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patent: 4774299 (1988-09-01), Dumain et al.
patent: 4834947 (1989-05-01), Cook et al.
patent: 5098667 (1992-03-01), Young et al.
patent: 5202396 (1993-04-01), Kubo et al.

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