Method and apparatus for stopping reaction in a gas phase polyme

Details Method and apparatus for stopping reaction in a gas phase polyme Method and apparatus for stopping reaction in a gas phase polyme

1992-01-29

1993-12-14

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 84, C08F 238

Patent

active

052704084

ABSTRACT:
A method of terminating, under emergency conditions, an olefin Polymerization reaction conducted in the presence of a transitioned metal based catalyst in a gas phase reactor by using a recycle gas from the reactor or a feed stream to the reactor to operate an expander associated with a circulator which maintains fluidized conditions in the reactor while introducing a kill gas into the reactor to terminate the reaction.

REFERENCES:
patent: 4547555 (1985-10-01), Cook et al.
patent: 4666999 (1987-05-01), Cook et al.
patent: 4786695 (1988-11-01), Cook et al.

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