| Addition of hydrogen peroxide for the simultaneous control of bromate and odor during advanced drinking water treatment using ozone |
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| 作者姓名： | Yongjing Wang Jianwei Yu Dong Zhang Min Yang |
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| 作者单位： | State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China;State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China;Shanghai National Engineering Research Center of Urban Water Resources Co., Ltd., Shanghai 200082, China;State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China |
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| 基金项目： | This work was supported by the National Natural Science Foundation of China （No. 50938007）, the Funds for Major Science and Technology Program for Water Pollution Control and Treatment （No. 2012ZX07403-002-02）, and the Shanghai Committee of Science and Technology Project （No. 11XD1420500）. |
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| 摘 要： | Complete removal of the characteristic septic/swampy odor from Huangpu River source water could only be achieved under an ozone dose as high as 4.0 mg/L in an ozone-biological activated carbon （O3- BAC） process, which would lead to the production of high concentrations of carcinogenic bromate due to the high bromide content. This study investigated the possibility of simultaneous control of bromate and the septic/swampy odor by adding H2O2 prior to the O3-BAC process for the treatment of Huangpu River water. H2O2 addition could reduce the bromate concentration effectively at an H2O2/O3 （g/g） ratio of 0.5 or higher. At the same time, the septic/swampy odor removal was enhanced by the addition of H2O2, although optimization of the H2O2/O3 ratio was required for each ozone dose. At an ozone dose of 2.0 mg/L, the odor was removed completely at an H2O2/O3 ratio of 0.5. The results indicated that H2O2 application at a suitable dose could enhance the removal of the septic/swampy odor while suppressing the formation of bromate during ozonation of Huangpu River source water.
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| 关 键 词： | 臭氧生物活性炭 过氧化氢 饮用水处理 控制过程 溴酸盐 气味 黄浦江原水 活性炭工艺 |
| 收稿时间： | 27 March 2013 |
| 修稿时间： | 5/5/2013 12:00:00 AM |
Addition of hydrogen peroxide for the simultaneous control of bromate and odor during advanced drinking water treatment using ozone |
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| Yongjing Wang,Jianwei Yu,Dong Zhang,Min Yang.Addition of hydrogen peroxide for the simultaneous control of bromate and odor during advanced drinking water treatment using ozone[J].Journal of Environmental Sciences,2014,26(3):550-554. |
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| Authors: | Yongjing Wang Jianwei Yu Dong Zhang and Min Yang |
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| Institution: | State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China;State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China;Shanghai National Engineering Research Center of Urban Water Resources Co., Ltd., Shanghai 200082, China;State Key Laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China |
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| Abstract: | Complete removal of the characteristic septic/swampy odor from Huangpu River source water could only be achieved under an ozone dose as high as 4.0 mg/L in an ozone-biological activated carbon (O3-BAC) process, which would lead to the production of high concentrations of carcinogenic bromate due to the high bromide content. This study investigated the possibility of simultaneous control of bromate and the septic/swampy odor by adding H2O2 prior to the O3-BAC process for the treatment of Huangpu River water. H2O2 addition could reduce the bromate concentration effectively at an H2O2/O3 (g/g) ratio of 0.5 or higher. At the same time, the septic/swampy odor removal was enhanced by the addition of H2O2, although optimization of the H2O2/O3 ratio was required for each ozone dose. At an ozone dose of 2.0 mg/L, the odor was removed completely at an H2O2/O3 ratio of 0.5. The results indicated that H2O2 application at a suitable dose could enhance the removal of the septic/swampy odor while suppressing the formation of bromate during ozonation of Huangpu River source water. |
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| Keywords: | ozonation H2O2 BrO3- suppression septic/swampy odor flavor profile analysis |
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