Use of cyclodextrins for odor control in papermaking sludges, and deodorized sludge and products
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United States of America Patent
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Apr 3, 2012
Grant Date -
Jan 1, 2009
app pub date -
Jun 27, 2008
filing date -
Jun 28, 2007
priority date (Note) -
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Abstract
Methods to control and suppress odor in papermaking sludge are described. One method involves admixing sludge from a papermaking process and cyclodextrin to provide treated sludge with the cyclodextrin present in an effective amount to control odors in the treated sludge. The deodorized sludge may be used as a component of resin-wood composite products, such as composite decking materials, walls, flooring, casting forms, and the like.
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Cited Art Landscape
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