Removal and inactivation of virus by drinking water treatment in the presence of bromide or iodide

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• 作者：Q. Zhang ; B. Liu ; Y. Liu ; X. Cai ; X. Liu…
• 关键词：bromide ; virus ; iodide ; ozonation ; drinking water ; chlorination
• 刊名：Journal of Water Chemistry and Technology
• 出版年：2015
• 出版时间：March 2015
• 年：2015
• 卷：37
• 期：2
• 页码：96-101
• 全文大小：452 KB
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• 作者单位：Q. Zhang (1)
  B. Liu (2)
  Y. Liu (3)
  X. Cai (3)
  X. Liu (3)
  R. Dai (3)
  
  1. Hubei Academy of Environmental Science, Wuhan, China
  2. Central Analytical Laboratory, Hubei Environmental Monitoring Central Station, Wuhan, China
  3. Fudan University, Shanghai, China
  
• 刊物主题：Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution; Water Industry/Water Technologies; Industrial Chemistry/Chemical Engineering;
• 出版者：Springer US
• ISSN：1934-936X

文摘

The inactivation of virus in raw water was conducted in a continuous flow pilot scale system. Coliphage MS2 was used as model organism for human enteric virus. The effect of disinfection technologies (single or combined process of ozonation and chlorination) and interfering substances (bromide or iodide) on inactivation of virus, and the removal performance of virus in raw water by the pilot scale system (Train A and B) were investigated. The results indicated that bromide or iodide in water was detrimental to ozonation but beneficial to chlorination for virus inactivation. After bromide or iodide was added, the removal of MS2 by ozonation unit was much lower than before (p < 0.01), the removal of MS2 by chlorination unit was significantly higher than before (p < 0.05). Both Train A and B could remove and inactivate MS2 in raw water completely even at high concentration of bromide (675.24 μg/dm3) and iodide (52.33 μg/dm3). The processes of Train A and B can effectively guarantee the virological safety of drinking water.