Enzymatic treatment of wood chips
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United States of America Patent
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Sep 29, 2015
Grant Date -
Jul 31, 2014
app pub date -
Jan 31, 2013
filing date -
Jan 31, 2013
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Abstract
A process using a multicomponent enzyme preparation to treat chips that have been crushed using a device that combines shear and compressive forces where treatment occurs mainly during decompression and reduces the specific energy consumption and/or increasing production of subsequent refining while maintaining or increasing handsheet physical properties. The enzyme preparation is to have a major endoglucanase activity, a significant mannanase activity and a slight cellobiohydrolase activity. This enzyme mixture is prepared from a genetically modified strain of Trichoderma reseii.
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