Enzymatic pre-treatment of market pulp to improve fiber drainage and physical properties
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United States of America Patent
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Jan 2, 2018
Grant Date -
Jun 13, 2013
app pub date -
Dec 12, 2011
filing date -
Dec 12, 2011
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Abstract
Methods for reducing the effects of wetlapping, drying, and hornification of pulp fibers and consequently increasing the pulp drainage and strength properties in the final product (i.e., paper) are provided. The method which has been developed creates a “value-added” product by the wastepaper supplier or at the pulp and/or deinking (recycled paper) mill—a wastepaper load/bale, wet pulp stock or wet lap, or dried pulp treated with or impregnated with enzymes that enhance the quality of the pulp or paper product when it is repulped and processed at the paper mill.
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