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Systems and methods for use in processing of forest residue

  • US 10,675,661 B2
  • Filed: 06/15/2016
  • Issued: 06/09/2020
  • Est. Priority Date: 06/15/2015
  • Status: Active Grant
First Claim
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1. A method for producing wood fiber from forest residue, the method comprising:

  • filtering at least a portion of a forest residue feed into;

    a first large-elements feed having a first maximum element size; and

    a small-elements feed having a second maximum element size that is smaller than the first maximum element size;

    sorting at least a portion of the first large-elements feed into a first wood fiber-elements feed and a first bark-elements feed having a lower aggregate wood fiber content than that of the first wood fiber-elements feed; and

    size-reducing at least a portion of the first bark-elements feed to produce a reduced-size bark-elements feed;

    where the filtering comprises filtering at least a portion of the reduced-size bark-elements feed into the first large-elements feed and the small-elements feed.

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