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Methods for upgrading of contaminated hydrocarbon streams

  • US 8,894,843 B2
  • Filed: 06/11/2012
  • Issued: 11/25/2014
  • Est. Priority Date: 03/26/2008
  • Status: Active Grant
First Claim
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1. A method of upgrading a heteroatom-containing hydrocarbon feed by removing heteroatom contaminants, the method comprising:

  • contacting the heteroatom-containing hydrocarbon feed with an oxidant, producing an oxidized heteroatom-containing hydrocarbon feed;

    contacting the oxidized heteroatom-containing hydrocarbon feed with at least one caustic and at least one selectivity promoter under biphasic conditions;

    forming hydrocarbon products and sulfate salts; and

    removing the sulfate salts from the oxidized heteroatom-containing hydrocarbon feed.

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