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

1993-09-10

1995-03-21

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Organic polymerization

422111, 422117, 422131, 422234, 526 82, C08F 200, G05B 900

Patent

active

053993209

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.

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patent: 4547555 (1985-10-01), Cook et al.
patent: 4666999 (1987-05-01), Cook et al.
patent: 4786695 (1988-11-01), Cook et al.
patent: 4826662 (1989-05-01), Mao et al.
patent: 4834947 (1989-05-01), Cook et al.

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