Apparatus and process for the gas-phase polymerization

Apparatus for carrying out a catalytic gas-phase olefin polymerization comprising a first polymerization zone for growing polymer particles to flow upward under fast fluidization or transport conditions, a second polymerization zone for the growing polymer particles to flow downward, and a gas/solid...

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Bibliographische Detailangaben
Hauptverfasser:	RINALDI Riccardo, MEI Giulia, AZZARELLO Emanuele, PENZO Giuseppe, PESARE Rosario
Format:	Patent
Sprache:	eng ; heb
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	Apparatus for carrying out a catalytic gas-phase olefin polymerization comprising a first polymerization zone for growing polymer particles to flow upward under fast fluidization or transport conditions, a second polymerization zone for the growing polymer particles to flow downward, and a gas/solid separation zone; wherein the second polymerization zone has an upper part being connected to the separation zone and a lower part being connected to the upper part; wherein the ratio of the height H01 of the separation zone to the diameter D01 of the separation zone is 2.5 to 4.5; and process for carrying out a catalytic gas-phase olefin polymerization in the apparatus.