Method and system of using low-quality heavy oil to produce quality improved oil

Method and system of using low-quality heavy oil to produce quality improved oil

  • CN 105,733,671 A
  • Filed: 12/10/2014
  • Published: 07/06/2016
  • Est. Priority Date: 12/10/2014
  • Status: Active Application
First Claim
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1. the method that an inferior heavy oil produces upgrading oil, it is characterised in that comprise the steps:

  • S100, inferior heavy oil raw material carries out atmospheric and vacuum distillation and processes to obtain the first distillate, hydrogen supply agent fraction and decompression residuum;

    S200, decompression residuum carries out solvent deasphalting and processes to obtain de-oiled asphalt and deasphalted oil;

    S300, carries out hydrogen supply thermal cracking process to obtain the second distillate by this de-oiled asphalt and this hydrogen supply agent fraction;

    S400, by the mixing of this first distillate, this deasphalted oil and this second distillate to obtain the API upgrading more than 19 oil.

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