| 水厂水质的腐蚀性及防蚀处理 |
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| 引用本文： | 杨文进,吴瑜红. 水厂水质的腐蚀性及防蚀处理[J]. 净水技术, 2007, 26(2): 7-10 |
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| 作者姓名： | 杨文进 吴瑜红 |
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| 作者单位： | 中国市政工程中南设计研究院,湖北武汉,430010;中国市政工程中南设计研究院,湖北武汉,430010 |
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| 摘 要： | 调查研究了我国南方六省40座水厂水质的腐蚀性及其防蚀工艺。腐蚀性水损坏水厂的铁质设施,并使管网水呈黄色。饱和指数I_L小于-0.6、稳定指数I_R大于8以及含有高浓度侵蚀性二氧化碳的水,一般都有腐蚀性。这种水的腐蚀性,可用投加石灰、氢氧化钠或苏打的方法控制;微生物导致的腐蚀可用加氯法防止。
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| 关 键 词： | 饱和指数 微生物腐蚀 腐蚀产物 碱剂 |
| 修稿时间： | 2006-08-10 |
The Corrosiveness and Antiseptic Treatment of the Effluent Quality of Water Supply Plant |
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| Yang Wenjin,Wu Yuhong. The Corrosiveness and Antiseptic Treatment of the Effluent Quality of Water Supply Plant[J]. Water Purifcation Technology, 2007, 26(2): 7-10 |
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| Authors: | Yang Wenjin Wu Yuhong |
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| Affiliation: | Central and Southern China Municipal Engineering Design and Research Institute, Wuhan 430010, China |
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| Abstract: | The water corrosiveness and its control technology in forty water plants of Southern China have been studied.The corrosive water can attack the iron facilities and make water yellowish in iron pipe.When Langelier's Saturation Index is less than-0.6 and Ryznar's Stability Index is greater than 8.0,the water is corrosive.The high concentration of corrosive carbon dioxide can also cause corrosiveness in distribution pipes.The corrosiveness of the water quality can be controlled by lime,sodium hydroxide or soda.The microbial corrosiveness can be controlled by chlorine. |
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| Keywords: | Langelier's Saturation Index microbial corrosion corrosion product alkaline reagent |
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