| 光谱学与光谱分析 |
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| Topography Structure and Flocculation Mechanism of Polymeric Phosphate Ferric Sulfate(PPFS) |
| ZHENG Huai-li1, ZHANG Hui-qin1, JIANG Shao-jie1, LI Fang2, JIAO Shi-jun1, FANG Hui-li1 |
1. Key Laboratory of the Three Gorges Reservoir Regions Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China
2. College of Chemistry, Sichuan University, Chengdu 610064, China |
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Abstract Characteristics of polymeric phosphate ferric sulfate (PPFS) were investigated using FTIR (Fourier transform infrared spectrometer), XRD (X-ray diffraction) and SEM (scanning electron microscope) in the present study. The formed PPFS structure and morphology were stereo meshwork, which was clustered and close to coral reef, synthesis of high charge density, bioactive polyhydroxy and mixed polynuclear complex PPFS. The results showed that charge neutralization of PPFS had not played a decisive role in the coagulation beaker test and the zeta potential proved that PPFS was largely affected by bridging and netting sweep. Therefore, the coagulation mechanisms of PPFS were mainly composed of charge neutralization, adsorption bridging and netting sweep mechanisms.
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Received: 2010-07-13
Accepted: 2010-10-23
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Corresponding Authors:
ZHENG Huai-li
E-mail: zhl@cqu.edu.cn
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