Apparatus for the gas-phase polymerization of olefins in a fluid

Details Apparatus for the gas-phase polymerization of olefins in a fluid Apparatus for the gas-phase polymerization of olefins in a fluid

1993-03-09

1993-11-30

Schofer, Joseph L.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Organic polymerization

422235, 422139, 526901, F27B 1514

Patent

active

052662764

ABSTRACT:
The present invention relates to a process and apparatus for the gas-phase polymerization of olefins in a fluidized-bed reactor maintained at a temperature T1. A gaseous reaction mixture comprising the olefins to be polymerized passes through the reactor and is recycled to the reactor by means of a recycling line comprising successively a first heat transfer means, a compressor and a second heat transfer means. The present invention consists in introducing a readily volatile liquid hydrocarbon into the inlet of the first heat transfer means or into the recycling line, upstream and in the vicinity of the first heat transfer means. The first heat transfer means cools the gaseous reaction mixture to a temperature T2, below T1, while volatilizing the readily volatile hydrocarbon and without condensing a constituent of the gaseous reaction mixture. The second heat transfer means cools the gaseous reaction mixture to a temperature T3, below T2, for maintaining the fluidized-bed at the desired temperature T1.

REFERENCES:
patent: 4012573 (1977-03-01), Trieschmann et al.
patent: 4390669 (1983-06-01), Morita et al.
patent: 4951613 (1990-08-01), Harandi et al.

Affiliated with

Also associated with

Rating

Apparatus for the gas-phase polymerization of olefins in a fluid does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for the gas-phase polymerization of olefins in a fluid, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for the gas-phase polymerization of olefins in a fluid will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2093527