Biological method to reduce wetwood content in green lumber
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United States of America Patent
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Jul 14, 2015
Grant Date -
Jul 24, 2014
app pub date -
Jul 27, 2011
filing date -
Aug 6, 2010
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Abstract
The present invention relates to a method for reducing wetwood content in green lumber by a treatment with a selected fungal species, such as Phlebiopsis gigantea or Gliocladium roseum, prior to kiln drying. In the laboratory conditions, the biological treated boards reduced wood moisture content (MC) by 22-37% more than untreated boards. The time required for drying biological treated boards was approximately reduced by 10% compared with untreated controls, and by 33% compared with freshly-saw lumber. After drying, the biological treated boards reduced the total deformation with stain, warping and checking by 14-25%.
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