Method of operating a high pressure ethylene polymerisation unit
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United States of America Patent
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May 29, 2012
Grant Date -
Oct 14, 2010
app pub date -
Jun 3, 2008
filing date -
Jun 6, 2007
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Expired
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Abstract
The invention relates to a method of operating a high pressure ethylene polymerization unit comprising a tubular reactor, the method characterized in that the electrical conductivity of the aqueous cooling medium is monitored in at least one location. Furthermore, the invention also covers a high pressure ethylene polymerization unit comprising a tubular reactor, the unit characterized in that one or more cooling circuits comprise an electrical conductivity meter. The use of such a polymerization unit is also disclosed.
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