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Low temperature solids removal system for gasification

  • US 7,896,955 B2
  • Filed: 11/12/2007
  • Issued: 03/01/2011
  • Est. Priority Date: 11/12/2007
  • Status: Active Grant
First Claim
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1. A process for removing coarse solids and fine solids from a syngas comprising:

  • wetting the coarse solids and fine solids in a first chamber thereby separating the coarse solids and a portion of the fine solids from the syngas;

    cooling the coarse solids and fine solids in a liquid in the first chamber;

    urging the coarse solids and fine solids into a liquid-filled second chamber;

    allowing the coarse solids to settle to the bottom of the second chamber;

    flushing the liquid containing the fine solids from the second chamber into a third chamber;

    separating the fine solids from the liquid in the third chamber;

    urging the coarse solids from the second chamber into a collection chamber for separation of the coarse solids, the fine solids and the liquid; and

    urging the fine solids from the third chamber into the collection chamber.

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