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Methods for upgrading of contaminated hydrocarbon streams

  • US 9,206,359 B2
  • Filed: 05/27/2014
  • Issued: 12/08/2015
  • Est. Priority Date: 03/26/2008
  • Status: Active Grant
First Claim
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1. A method of upgrading an oxidized-heteroatom-containing hydrocarbon feed by removing oxidized-heteroatom contaminants, the method comprising:

  • contacting one of sulfoxide, sulfone, sulfonate, and sulfonic acid, and combinations thereof in the oxidized-heteroatom-containing hydrocarbon feed with a second feed comprising at least one caustic and at least one selectivity promoter to form a first intermediate stream; and

    removing the oxidized heteroatom contaminants from the first intermediate stream.

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