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Preparation and Characterization of Oil-water Separation Filter Paper
  
DOI:10.11980/j.issn.0254-508X.2018.05.002
Key Words:cationic emulsion  cellulose  oil-water separation
Fund Project:广州市科技计划项目(项目编号:201607020025)。
Author NameAffiliation
SI Jing-hang State Key Lab of Pulp and Paper Engineering South China University of Technology Guangzhou Guangdong Provence 510640 
XU Meng-jie State Key Lab of Pulp and Paper Engineering South China University of Technology Guangzhou Guangdong Provence 510640 
ZHOU Xue-song* State Key Lab of Pulp and Paper Engineering South China University of Technology Guangzhou Guangdong Provence 510640 
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Abstract:In this research, cationic styrene-acrylic emulsion was prepared by semi-continuous seed emulsion polymerization. The cellulose-SiO2 composite particles prepared by sol-gel phase inversion method with deposited on to the filter paper, the oil-water seperation filter paper was prepared by spraying cationic styrene-acrylic emulsion on it. The influences of particle size and deposit amount of cellulose-SiO2 particle on the water resistance of the oil-water seperation filter paper were investigated. The oil-water separation efficiency of the filter paper was calculated based on the amount of water from the oil-water mixture, and the effects of the amount of deposited particles and the type of oil on the oil-water separation efficiency of the filter paper were studied. The results showed that the best performance of the oil-water separation filter could be obtained when the diameter of composite particles was 13.9 μm and the deposit amount was 8%. The static contact angle of the filter paper to water was 143.7 °. The separation efficiency of a mixture of alkane and water could reach 99.7%.
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