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Improving Retention and Drainage of Tobacco Slurry by Using a Combination of Guar Gum and Cationic Cellulose Nanofibril
  
DOI：10.11980/j.issn.0254-508X.2018.03.008
Key Words:cationic cellulose nanofibril  guar gum  drainage  retention  cationic demand
Fund Project:国家自然科学基金（31670589）；云南中烟再造烟叶科技项目（XM-J201602）。
Author NameAffiliation
LIU Hao-yue1 1. Tianjin Key Lab of Pulp & Paper， Tianjin University of Science and Technology， Tianjin，300457 
LIU Zhong1，* 1. Tianjin Key Lab of Pulp & Paper， Tianjin University of Science and Technology， Tianjin，300457 
LIU Hong-bin1 1. Tianjin Key Lab of Pulp & Paper， Tianjin University of Science and Technology， Tianjin，300457 
ZHANG Fang-dong1 1. Tianjin Key Lab of Pulp & Paper， Tianjin University of Science and Technology， Tianjin，300457 
WEN Yang-bing1 1. Tianjin Key Lab of Pulp & Paper， Tianjin University of Science and Technology， Tianjin，300457 
WU Shi-jie2 2. Yunnan Reconstituted Tobacco Co.， Ltd.， Kunming， Yunnan Province，650106 
CHEN Ling-feng2 2. Yunnan Reconstituted Tobacco Co.， Ltd.， Kunming， Yunnan Province，650106 
GUO Hui2 2. Yunnan Reconstituted Tobacco Co.， Ltd.， Kunming， Yunnan Province，650106 
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Abstract:The aim of the research was improving retention and drainage of tobacco slurry by using acombined system of guar gum and cationic cellulose nanofibril. The filtration time was 23.8 s and the filler retention rate was 19.3% by adding 0.18% cationic cellulose nanofibril alone， and cationic demand of the filtrate was 82.2 μmol/L. However， the binary retention drainage system consisting of 0.18% cationic cellulose nanofibril and 0.1% guar gum shortened the filtration time by 5.2 s， filler retention rate increased 20.8%， and cationic demand declined 8.4 μmol/L compared with using 0.18% cationic cellulose nanofibril alone. It indicated that the binary system had active effects on retention and drainage of tobacco slurry in tobacco sheet production with papermaking process process， and effectively reduced the cationic demand of the filtrate．
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