Enhancement of sheet dewatering using soy flour or soy protein
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United States of America Patent
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Oct 14, 2014
Grant Date -
N/A
app pub date -
Jul 10, 2013
filing date -
Jul 10, 2013
priority date (Note) -
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Abstract
Methods and compositions for improving dewatering efficiency during a papermaking or pulp drying process are disclosed. The methods can include a step of adding a dewatering agent solution to a location on a paper machine or pulp drying machine. The dewatering agent solution can include a soy based component. The soy based component can be soy flour or soy protein. The dewatering agent solution can be added to a wet end location of the pulp drying machine or paper machine or it can be sprayed onto a paper sheet prior to entering the press section of a paper machine. Additional dewatering agent solutions can also be added. The additional dewatering agent solutions can include cationic polymers or surfactants.
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