Method and apparatus for preparing and supplying catalyst...

Details Method and apparatus for preparing and supplying catalyst... Method and apparatus for preparing and supplying catalyst...

2011-03-15

2011-03-15

Teskin, Fred M (Department: 1762)

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

Synthetic resins

Polymerizing in tubular or loop reactor

C526S088000, C526S919000, C422S131000, C422S132000, C137S56100R

Reexamination Certificate

active

07906597

ABSTRACT:
The present invention relates to an apparatus for preparing and supplying catalyst to an ethylene slurry loop polymerisation reactor and to an apparatus for controlling the injection of catalyst slurry in a polymerization reactor wherein polyethylene is prepared. The present invention a Iso relates to a method for optimising catalyst supply to a polymerisation reactor. The diluted catalyst is transferred to the reactor (1) using a membrane pump (5) controllable in function of the concentration of a reactant in said reactor (1).

REFERENCES:
patent: 2003/0114608 (2003-06-01), Tharappel et al.

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