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水源切换条件下模拟管网铁离子释放控制

Keywords: 铸铁管,水源切换,,溶解氧,铁离子释放

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Abstract:

用北京市某供水区域铸铁管段搭建2套模拟管网装置,对水源切换条件下管网铁离子释放的控制进行了研究。实验过程中利用地下水为水源,通过调节进入管网的水中氯浓度为1.0~1.1mg/L,溶解氧浓度为7~8mg/L,经过40d运行后,管垢成分主要为α-FeOOH和Fe3O4。切换地表水源后,新的管垢组成更有助于铁氧化物中铁的氧化还原重新达到平衡,从而可以有效减少水源切换条件下铁离子的释放,管网出水浊度也得到很好的控制,保持了管网水质稳定性。

References

[1]  王洋, 张晓健, 陈超, 等. 水源切换引起给水管网黄水问题原因分析. 环境科学, 2009, 30(12): 3555-3561 Wang Y., Zhang X. J., Chen C., et al. Case study of red water phenomenon in drinking water distribution systems cased by water source switch. Environmental Science, 2009, 30(12): 3555-3561 (in Chinese)
[2]  Taylor J. S., Dietz J. J., Hong S. K., et al. Distribution system water quality following blending surface, ground and saline sources.//Anaheim, June,2003 AWWA Annual Conference, 2003
[3]  Imran S. A., Dietz J. D., Mutoti G., et al. Red water release in drinking water distribution systems.Journal American Water Works Association, 2005, 97(7): 93-100
[4]  Pozos N., Scow K., Wuertz S., et al. UV disinfection in a model distribution system: Biofilm growth and microbial community. Water Research, 2004, 38(13): 3083-3091
[5]  Melidis P., Sanozidou M., Mandusa A., et al. Corrosion control by using indirect methods. Desalination, 2007, 213(1-3): 152-158
[6]  Kuch A. Investigations of the reduction and re-oxidation kinetics of iron(Ⅲ) oxide scalesformed in waters. Corrosion Science, 1988, 28(3): 221-231
[7]  McNeill L. S., Edwards M. Iron pipe corrosion in distribution systems. Journal American Water Works Association, 2001, 93(7): 88-100
[8]  牛璋彬, 王洋, 张晓健, 等. 给水管网中铁释放现象的影响因素研究. 环境科学, 2007, 28(10): 2270-2274 Niu Z. B., Wang Y., Zhang X. J., et al. Effect on iron release in drinking water distribution systems. Environmental Science, 2007, 28(10): 2270-2274 (in Chinese)
[9]  国家环境保护总局. 水和废水监测分析方法(第4版). 北京: 中国环境科学出版社, 2002
[10]  SarinP., SnoeyinkV.L.,BebeeJ., et al. Physico-chemical characteristics of corrosion scales in old iron pipes.Water Research, 2001, 35(12):2961-2969
[11]  Sarin P., Snoeyink V. L., Lytle D. A., et al. Iron corrosion scales: model for scale growth, iron release, and colored water formation. Journal of Environmental Engineering, 2004, 130(4): 364-373
[12]  王洋, 张晓健, 陈雨乔, 等. 给水管网管壁铁细菌生长特性模拟及控制对策研究. 环境科学, 2009, 30(11): 3293-3299 Wang Y., Zhang X. J., Chen Y. Q., et al. Growth characteristics and control of iron bacteria on cast iron in drinking water distribution systems. Environmental Science, 2009, 30(11): 3293-3299 (in Chinese)
[13]  GB/T 5749-2006, 生活饮用水卫生标准
[14]  李红岩, 高峰, 杨敏.微生物异化Fe(Ⅲ)还原及其作用机制研究. 环境科学与技术, 2011, 34(10):100-105 Li H.Y., Gao F., Yang M. Review on microbial dissimilatory reduction of Fe(Ⅲ)and its mechanism. Environmental Science and Technology, 2011,34(10):100-105
[15]  Wang H.B., Hu C., Hu X.X., et al. Effects of disinfectant and biofilm on the corrosion of cast iron pipes in a reclaimed water distribution system. Water Research,2012, 46(4): 1070-1078
[16]  Husband P. S., Boxall J. B. Asset deterioration and discolouration in water distribution systems. Water Research, 2011, 45(1): 113-124

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