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Heavy oil upgrading process (LAW813)

  • US 6,171,471 B1
  • Filed: 04/30/1999
  • Issued: 01/09/2001
  • Est. Priority Date: 04/30/1999
  • Status: Active Grant
First Claim
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1. A process to reduce the amount of metals and microcarbon residue in a hydrocarbon-containing feedstream comprising:

  • (a) mild-slurry hydrotreating said feedstream in a single stage at a temperature and pressure for a sufficient time using a heterogeneous catalyst at metal levels at or below 300 ppm by weight relative to feed, and then directly (b) reducing said metals and said microcarbon residue from the hydrotreated product in a solvent deasphalter.

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