Two phase hydroprocessing

  • US 6,428,686 B1
  • Filed: 06/22/2000
  • Issued: 08/06/2002
  • Est. Priority Date: 06/24/1997
  • Status: Expired due to Term
First Claim
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1. A hydroprocessing method comprising:

  • combining a liquid feed with reactor effluent and flashing with hydrogen, then separating any gas from the liquid upstream of the reactor and then contacting the feed/effluent/hydrogen mixture with a catalyst in the reactor, removing the contacted liquid from the reactor at an intermediate position, combining the removed liquid with hydrogen gas to resaturate with hydrogen, separating the gas from the liquid and reintroducing the removed liquid back into the reactor at the point the removed liquid was withdrawn.

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