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《Journal of Nuclear Agricultural Sciences》 2018-02
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Irradiation Synthesis and Characterization of Cationic Flocculants

WANG Min;ZHAO Yongfu;WU Jingxia;FENG Min;WANG Heye;JIANG Xizhi;Institute of Agricultural Facilities and Equipments,Jiangsu Academy of Agricultural Sciences;  
In order to develop a simple and reliable method for preparing flocculants,we prepared a family of cationic flocculant based on acrylamide and dimethyldiallylammonium chloride monomers through the ~(60)C irradiation approach in this study. The morphology and chemical composition of the flocculant were systematically determined by infrared spectroscopy,scanning electron microscopy and differential scanning calorimetry. The effects of monomer mass ratio( AM: DMDAAC) and absorbed dose on monomer conversion were also inspected. Results showed that the flocculant products( PDA) with multi-level three-dimensional network structure were successfully prepared by irradiation,which were stable at room temperature. When the mass ratio of AM: DMDAAC reached to 2∶ 1 and the absorbed dose was 12 kGy,the monomer conversion was high to 83. 6% . The cationic flocculant with particle size larger than 0. 20 mm showed desired performance on the organic sewage treatment. This study provided a simple and feasible method for flocculant preparation.
【Fund】: 江苏省农业科技自主创新资金项目[CX(14)2136]
【CateGory Index】: X703
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