Title: Nano-composite Flocculent for the Coagulation of Low Temperature and Low Turbidity Water
Abstract:Between low temperature and low turbidity refractory characteristics and coagulation purification of their conventional coagulant effect is not ideal,in order to search for good low temperature and lo...Between low temperature and low turbidity refractory characteristics and coagulation purification of their conventional coagulant effect is not ideal,in order to search for good low temperature and low turbidity water by coagulation and economically feasible coagulant,the study chose a strong effect of adsorption and flocculation of nano-SiO2 and PFS as raw material made of composite flocculent to test on the low temperature experiments of low turbidity,at the same time coagulation effects were compared with FeCl3 and ferric sulfate. The results showed that: ① Under the same conditions to compare the FeCl3, ferric sulfate,nano-SiO2-PFS on the turbidity and COD removal are good; ② nano-SiO2-PFS alum produced large,rapid subsidence and sedimentation 20 min,residual turbidity can be reduced under 0. 5 NTU; ③ nano-SiO2-PFS at pH 6. 5 ~ 8. 5 turbidity the effect is the best; ④ nano-SiO2-PFS handling cost is lower.Read More
Publication Year: 2010
Publication Date: 2010-01-01
Language: en
Type: article
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