Statistical assessment of gas/liquid mass transfer in slurry‐phase propylene polymerization process | Zendy

Li J. | Zendy; Tekie Z. | Zendy; Mohammad A. | Zendy; Morsi B. I. | Zendy

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Statistical assessment of gas/liquid mass transfer in slurry‐phase propylene polymerization process

Author(s) -

Li J.,

Tekie Z.,

Mohammad A.,

Morsi B. I.

Publication year - 1996

Publication title -

the canadian journal of chemical engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.404

H-Index - 67

eISSN - 1939-019X

pISSN - 0008-4034

DOI - 10.1002/cjce.5450740110

Subject(s) - polypropylene , mass transfer , slurry , mixing (physics) , materials science , polymerization , hydrogen , hexane , thermodynamics , analytical chemistry (journal) , mass fraction , chemistry , chemical engineering , chromatography , organic chemistry , polymer , composite material , physics , quantum mechanics , engineering

A statistical approach was developed to investigate the effects of pressure, temperature, mixing speed and solid concentration on k L a for gaseous hydrogen, ethylene, and propylene in liquid n ‐hexane containing solid polypropylene powder in a 4‐litre agitated reactor. The solubilities of the gases appeared to follow Henry's Law. Statistical correlations to predict k L a were proposed and response surfaces were constructed. k L a values appeared to reach a maximum around 15 mass% and sharply decrease above 30 mass%. The effects of pressure and temperature on k L a were found to depend on the gas‐liquid system and operating conditions used.

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