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Retort heating method

  • US 7,718,038 B2
  • Filed: 12/07/2006
  • Issued: 05/18/2010
  • Est. Priority Date: 01/29/2004
  • Status: Expired due to Fees
First Claim
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1. A method for processing a feed material, the method comprising:

  • passing a feed material down through a plurality of vertically spaced apart rows of baffles that are horizontally disposed within a heating chamber of a retort, each of the rows of baffles comprising a plurality of horizontally spaced apart baffles, the plurality of baffles within adjacent rows being horizontally staggered so that the baffles in one row are positioned between the baffles of the adjacent row, the baffles being sized and spaced so that substantially all of the feed material that vertically passes down through the heating chamber is horizontally displaced as the feed material passes by the baffles;

    heating the feed material within the heating chamber such that the feed material emits an oil vapor;

    collecting the oil vapor emitted within the heating chamber; and

    condensing the oil vapor into an oil.

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