화학공학소재연구정보센터
Journal of Industrial and Engineering Chemistry, Vol.20, No.6, 4452-4456, November, 2014
Anionic trash control in high-yield pulp (HYP) containing furnish by using a poly-DADMAC based commercial formulation
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High-yield pulp (HYP) is gaining increasing interest in papermaking, the presence of anionic trash has been limiting its application in high-end paper products such as fine papers. In order to control the anionic trash ofHYP, the performances of three anionic trash catchers in terms of charge controland fiber fines and filler retention enhancement were compared in a laboratory study. It was found that a poly-DADMAC based commercial product had the highest efficiency. The use of CPAM/Bentonite system resulted in highest fiber fines and filler retention. The best anionic trash controlwas achieved when HYPwas treated separately.
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