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Integrated hydrocarbons feed stripper and method of using the same

  • US 8,129,485 B2
  • Filed: 11/24/2008
  • Issued: 03/06/2012
  • Est. Priority Date: 11/27/2007
  • Status: Active Grant
First Claim
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1. A method for removing a volatile catalyst poison from a liquid hydrocarbon feed to a polymerization process, the method comprising the steps of:

  • a) feeding a fresh liquid hydrocarbon to a stripper column;

    b) providing a process vent from a polymerization process;

    c) recycling the process vent in a vent recovery system to form a recycle gas;

    d) feeding a first portion of the recycle gas to the stripper column;

    e) removing a stripper vent gas and a stripper column tail from the stripper column; and

    f) feeding a degassed liquid hydrocarbon comprising the stripper column tail to the polymerization process.

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