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Methods and apparatus for solid carbonaceous materials synthesis gas generation

  • US 8,021,577 B2
  • Filed: 10/06/2008
  • Issued: 09/20/2011
  • Est. Priority Date: 04/11/2006
  • Status: Active Grant
First Claim
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1. A method for select product gas generation from solid carbonaceous materials comprising the steps of:

  • inputting a feedstock solids carbonaceous material;

    subjecting said feedstock solids carbonaceous material to a pressurized environment;

    increasing a temperature within said pressurized environment to which said feedstock solids carbonaceous material is subjected;

    purging at least some oxygen from said pressurized environment to which said feedstock solids carbonaceous material is subjected;

    pyrolytically processing said feedstock solids carbonaceous material in a solid carbonaceous materials gasifier system in the substantial absence of oxygen;

    generating at least some contaminated select product gas in response to said step of pyrolytically processing said feedstock solids carbonaceous material;

    isolating contaminants from said contaminated select product gas to create scrubbed select product gas;

    returning at least some of said isolated contaminants within said solid carbonaceous materials gasifier system at the point of at least one selected location;

    reprocessing said returned isolated contaminants in said solid carbonaceous materials gasifier system;

    outputting said scrubbed select product gas from said solid carbonaceous materials gasifier system.

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