Preparation and Physicochemical Characteristics of Poly-silicic Ferric(PSF) Coagulant

FU Ying; GAO Bao-yu; YU Yan-zhen; QIU Li-ping; CAO Bai-chuan

Journal of Beijing University of Technology > 2010 > 36(3): 377-383.

FU Ying, GAO Bao-yu, YU Yan-zhen, QIU Li-ping, CAO Bai-chuan. Preparation and Physicochemical Characteristics of Poly-silicic Ferric(PSF) Coagulant[J]. Journal of Beijing University of Technology, 2010, 36(3): 377-383.

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Preparation and Physicochemical Characteristics of Poly-silicic Ferric(PSF) Coagulant

1. School of Civil and Architectural Engineering, University of Jinan, Jinan 250022, China;
2. College of Environmental Science and Engineering, Shandong University, Jinan 250100, China

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Received Date: April 28, 2008
Available Online: December 14, 2022

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The preparation of poly-silicic ferric(PSF) coagulant was studied by level selection beforehand and mixing level and stepwise orthogonal design(LS-MLSO),in which different Si/Fe molar ratios of PSF were prepared by two different methods(method A and method B),respectively.The physicochemical characteristics,micro properties and coagulation efficiency of PSF prepared by method A were studied,in comparison with those of PSF prepared by method B.The results show that LS-MLSO is an efficient and reasonable method in the investigation of coagulant preparation.The physicochemical characteristics and micro properties of PSF prepared by method A was significantly different from those of PSF prepared by method B,in which various Si/Fe ratios of PSF prepared by method B have similar physicochemical characteristics and micro properties.PSF prepared by method A were characterized obviously by having higher coagulation behavior than PSF prepared by method A.
- Si,
- Fe,
- physicochemical characteristics,
- micro properties,
- coagulation efficiency

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