Method for rapid kill gas injection to gas phase polymerization

Details Method for rapid kill gas injection to gas phase polymerization Method for rapid kill gas injection to gas phase polymerization

1983-09-01

1985-10-15

Schofer, Joseph L.

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

Synthetic resins

Effecting a change in a polymerization process in response...

526 59, 526 64, 526 68, 526 82, 526 84, C08F 200, C08F 238, C08G 8500

Patent

active

045475555

ABSTRACT:
There is provided a method for terminating a gas phase olefin polymerization reaction with a kill gas such as carbon monoxide or carbon dioxide. The method involves the use of coast-down flow of recycle gas during a failure of the power source of a compressor to carry kill gas into the reaction medium. The method is particularly adaptable to a fluid bed reactor system.

REFERENCES:
patent: 3965083 (1976-06-01), Jezl et al.
patent: 4003712 (1977-01-01), Miller
patent: 4302566 (1981-11-01), Karol et al.
patent: 4306044 (1981-12-01), Charsley
patent: 4326048 (1982-04-01), Stevens et al.
patent: 4349648 (1982-09-01), Jorgensen et al.

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