Catalyst slurry preparation system and use thereof
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United States of America Patent
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Mar 1, 2016
Grant Date -
May 23, 2013
app pub date -
Jul 29, 2011
filing date -
Jul 30, 2010
priority date (Note) -
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Abstract
The present invention relates to the use of a catalyst preparation system for the preparation of a diluted catalyst slurry. In particular, the invention relates to a catalyst preparation system comprising a mixing vessel for mixing a particulate catalyst and a liquid hydrocarbon diluent. According to the invention, diluted catalyst slurry is prepared in a mixing vessel comprising a rotatable axial impeller system comprising at least two double-bladed hubs. The invention also relates to a process for preparing diluted catalyst slurry for use in the preparation of a particulate polyethylene product in a loop reactor with the catalyst preparation system as described herein.
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