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The bubble frequency in a fluidized bed at elevated pressure

✍ Scribed by M. Čárský; M. Hartman; B.K. Ilyenko; K.E. Makhorin

Book ID
116050467
Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
321 KB
Volume
61
Category
Article
ISSN
0032-5910

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## Abstract Low density polyethylene and polypropylene are produced at large scale via the Unipol process. In this process catalyst particles are fluidised with monomer gas and grow into polymeric particles up to a size of 1 mm. The process is operated at 20–25 bar. Pressure plays an important role