| 氯胺消毒工艺在郊区水厂的应用实践 |
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| 引用本文： | 张华军. 氯胺消毒工艺在郊区水厂的应用实践[J]. 净水技术, 2012, 31(4): 61-65 |
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| 作者姓名： | 张华军 |
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| 作者单位： | 上海南汇自来水有限公司,上海,201300 |
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| 摘 要： | 该文介绍了上海浦东新区南汇地区郊区水厂的原水具有高耗氧量、高氨氮、季节性变化大的特点。通过在自来水制水工艺中增添加氨装置,控制沉淀池出水氨氮为0.5 mg/L左右;采用化合氯消毒后,可有效保证管网余氯稳定性和控制消毒副产物,但该方法也存在菌落总数检出率和色度升高及制水成本提高约0.008元/t的问题。
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| 关 键 词： | 氯胺 工艺 郊区水厂 消毒 |
Applications and Practice of Disinfection Process with Chloramine in Suburban Water Treatment Plants |
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| Zhang Huajun. Applications and Practice of Disinfection Process with Chloramine in Suburban Water Treatment Plants[J]. Water Purifcation Technology, 2012, 31(4): 61-65 |
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| Authors: | Zhang Huajun |
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| Affiliation: | Zhang Huajun(Shanghai Nanhui Water Works Co.,Ltd.,Shanghai 201300,China) |
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| Abstract: | Raw water of Nanhui district suburb water plant is of high concentration of CODMn and NH3-N with large seasonal variation.Ammonia dosing system was added in water treatment processes,which made effluent NH3-N maintain 0.5 mg/L at the outlet sedimentation tank.The results show this measure is helpful to ensure the residual chlorine stability in distribution network and lower the concentrations of disinfection by-products(DBPs).However,water treatment cost increases by 0.008 RMB/t,removal rate of total bacteria count and color decreases after this measures is used. |
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| Keywords: | chloramine technological process suburban water treatment plant disinfection |
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