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Yating Wang,Jianping Ni,Cui Chen,Jinyong Peng,Hongbin Liu 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.6
High-yield pulp (HYP) is gaining increasing interest in papermaking, the presence of anionic trash hasbeen limiting its application in high-end paper products such as fine papers. In order to control the anionictrash ofHYP, the performances of three anionic trash catchers in terms of charge controland fiber fines andfiller retention enhancement were compared in a laboratory study. It was found that a poly-DADMACbased commercial product had the highest efficiency. The use of CPAM/Bentonite system resulted inhighest fiber fines and filler retention. The best anionic trash controlwas achieved when HYPwas treatedseparately.