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超声波对氢氧化镁混凝性能及絮体特性影响

Keywords: 超声波,氢氧化镁,混凝,絮体

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Abstract:

以氢氧化镁作为混凝剂,不同浊度高岭土水样为研究对象,运用iPDA在线监测技术,探求了超声波对絮体特性和混凝过程的影响。结果表明,在混凝初期的5s内,增大超声功率能够有利于混凝作用发生。超声功率为80W,浊度去除率最高。随着超声时间延长到10s时,超声条件下FI值变小絮凝效果逐渐变差。Zeta电位与絮体粒度存在相关关系。

References

[1]  Broekman S., Pohlmann O., Beardwood E.S., et al.Ultrasonic treatment for microbiological control of water systems.Ultrasonics Sonochemistry, 2010, 17(6):1041-1048
[2]  李润生, 沈开义, 李凯.我国水处理混凝剂的发展新趋势.中国给水排水, 2010, 26(8):145-146 Li R.S., Shen K.Y., Li K.New development trend of coagulant for water treatment in China. China Water & Wastewater, 2010, 26(8):145-146(in Chinese)
[3]  王东升, 刘海龙, 晏明全, 等.强化混凝与优化混凝:必要性、研究进展和发展方向.环境科学学报, 2006, 26(4):544-551 Wang D.S., Liu H.L., Yan M.Q., et al.Enhanced coagulation vs. optimized coagulation:A critical review.Acta Scientiae Circumstantiae, 2006, 26(4):544-551(in Chinese)
[4]  Tan B.H., Teng T.T., Omar A.K.M.Removal of dyes and industrial dye wastes by magnesium chloride.Water Research, 2000, 34(2):597-601
[5]  Semerjian L., Ayoub G.M.High-pH-magnesium coagulation-flocculation in wastewater treatment.Advances in Environmental Research, 2003, 7(2):389-403
[6]  Gao B.Y., Yue Q.Y., Wang Y., et al.Color removal from dye-containing wastewater by magnesium chloride.Journal of Environmental Management, 2007, 82(2):167-172
[7]  刘春阳, 刘柳.超声波技术在废水处理中的应用研究.污染防治技术, 2009, 22(6):62-66 Liu C.Y., Liu L.Application of ultrasonic technology in wastewater treatment.Pollution Control Technology, 2009, 22(6):62-66(in Chinese)
[8]  Li T., Zhu Z., Wang D.S.Characterization of floc size, strength and structure under various coagulation mechanisms.Powder Technology, 2006, 168(2):104-110
[9]  余剑锋, 王东升, 叶长青, 等.利用小角度激光光散射研究阳离子有机高分子絮凝剂的絮体粒径和絮体结构.环境科学学报, 2007, 27(5):770-774 Yu J.F., Wang D.S., Ye C.Q., et al.Study on the floc size and structure of cationic organic polymers by using small-angle laser light scattering.Acta Scientiae Circumstantiae, 2007, 27(5):770-774(in Chinese)
[10]  Yu W.Z., Gregory J., Campos L. Breakage and re-growth of flocs formed by charge neutralization using alum and poly DADMAC.Water Research, 2010, 44(13):3959-3965
[11]  Yu W.Z., Gregory J., Campos L., et al.The role of mixing conditions on floc growth, breakage and re-growth.Chemical Engineering Journal, 2011, 171(2):425-430
[12]  曹广胜, 佟乐, 胡仪, 等.基于污水悬浮颗粒Zeta电位的絮凝剂用量优化.大庆石油学院学报, 2009, 33(1):17-20 Cao G.S., Tong L., Hu Y., et al.Optimization of flocculant dosage by Zeta potential of the particles in sewage.Journal of Daqing Petroleum Institute, 2009, 33(1):17-20(in Chinese)
[13]  Elmaleh S., Yahi H., Coma J.Suspended solids abatement by pH increase:upgrading of an oxidation pond effluent.Water Research, 1996, 30(10)2357-2362
[14]  Zhao J.H., Lin W., Chang Q.G., et al.Effects of operational conditions on the floc formation time and rate in magnesium hydroxide coagulation process.Desalination and Water Treatment, 2012, 45(1-3):153-160
[15]  郭晓玉, 赵建海, 刘文娟, 等.混合条件对氢氧化镁混凝性能及絮体特性影响.环境科学与技术, 2012, 35(6I):89-92 Guo X.Y., Zhao J.H., Liu W.J., et al. Effects of mixing on magnesium hydroxide coagulation performance and floc properties.Environmental Science & Technology, 2012, 35(6I):89-92(in Chinese)

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