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CARBOHYDRATES UPGRADING AND HYDROTREATING TO HYDROCARBONS

  • US 20110263916A1
  • Filed: 04/19/2011
  • Published: 10/27/2011
  • Est. Priority Date: 04/27/2010
  • Status: Active Grant
First Claim
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1. An upgrading system to convert polyols into hydrocarbons comprising:

  • a) a feed stream comprising a oxygenate feedstock,b) a catalytic upgrader comprising a zeolite catalyst,c) a separator to generate a light gas stream, an aqueous stream and an organic stream,d) a reformer to convert the light gas stream into a hydrogen stream,e) a hydrotreater to convert part of the organic stream (c) and hydrogen stream (d) into a saturated hydrocarbon stream, anda recycle system where a portion of the hydrotreater product containing saturated hydrocarbons is recycled to the catalytic upgrader (a) as a hydrogen donor molecule.

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