Catalyst feeding apparatus

Details Catalyst feeding apparatus Catalyst feeding apparatus

1977-04-20

1978-10-31

Holler, Alan

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 86, 422234, B01J 800, C08F 200, C08F 400

Patent

active

041236017

ABSTRACT:
Apparatus is provided to feed controlled quantities of a catalyst slurry to an olefin polymerization reactor in a controlled time sequence. The apparatus includes a feed line for continuously feeding an inert hydrocarbon liquid such as hexane or isobutane to the reactor. A bypass loop is provided in the feed line and is equipped with auxiliary apparatus to charge the loop with a predetermined quantity of catalyst slurry. At preselected timed intervals, the hydrocarbon feed is fed through the bypass loop to sweep the charge of catalyst slurry to the polymerization reactor.

REFERENCES:
patent: 3012024 (1961-12-01), Kavesh
patent: 3257363 (1966-06-01), Miller et al.
patent: 3790550 (1974-02-01), Miller
patent: 3846394 (1974-11-01), Mitacek
patent: 3876602 (1975-04-01), Calvert et al.

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