Wood pulp treatment
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United States of America Patent
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Sep 8, 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 screened once refined pulps and reduces the specific energy consumption and/or increasing production while maintaining or increasing handsheet physical properties. The enzyme preparation has a major endoglucanase activity, a significant mannanase activity and a relatively small cellobiohydrolase activity. This enzyme mixture is prepared from a genetically modified strain of Trichoderma reseii.
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