| Science Letters： Simultaneous removal of nitrate and heavy metals by iron metal |
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| 作者姓名： | Hao ZW Xu XH Jin J He P Liu Y Wang DH |
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| 作者单位： | Department of Environmental Engineering,Zhejiang University,Hangzhou 310027,China,Department of Environmental Engineering,Zhejiang University,Hangzhou 310027,China,Department of Environmental Engineering,Zhejiang University,Hangzhou 310027,China,Department of Environmental Engineering,Zhejiang University,Hangzhou 310027,China,Department of Environmental Engineering,Zhejiang University,Hangzhou 310027,China,Department of Environmental Engineering,Zhejiang University,Hangzhou 310027,China |
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| 摘 要： | INTRODUCTION Nitrate and heavy metals commonly found ingroundwater pollutants constitute significant healthrisk to humans and a burden on the environment.Mixtures of these compounds often exist in soils andgroundwater at numerous contaminated sites. Highnitrate (NO3 ) levels in drinking water supplies sig- ?nificantly endanger human health, as they are directlyresponsible for methemoglobinemia in infants (bluebaby syndrome) and may play a role in the develop-ment of som…
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| 关 键 词： | 硝酸盐 重金属 铁 地下水 环境保护 污染物 毒性 饮用水 |
Simultaneous removal of nitrate and heavy metals by iron metal |
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| Hao ZW,Xu XH,Jin J,He P,Liu Y,Wang DH.Simultaneous removal of nitrate and heavy metals by iron metal[J].Journal of Zhejiang University Science,2005,6(5):307-310. |
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| Authors: | Hao Zhi-Wei Xu Xin-Hua Jin Jian He Ping Liu Yong Wang Da-Hui |
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| Institution: | Department of Environmental Engineering, Zhejiang University, Hangzhou 310027, China. hawk200044@126.com |
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| Abstract: | Great attention should be paid now to simultaneously removing common pollutants, especially inorganic pollutants such as nitrate and heavy metals, as individual removal has been investigated extensively. Removing common pollutants simultaneously by iron metal is a very effective alternative method. Near neutral pH, heavy metals, such as copper and nickel, can be removed rapidly by iron metal, while nitrate removal very much slower than that of copper and nickel, and copper can accelerate nitrate removal when both are removed simultaneously. Even a little amount of copper can enhance nitrate removal efficiently.Different mechanisms of these contaminants removal by iron metal were also discussed. |
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| Keywords: | Simultaneously removing Iron metal Nitrate Heavy metal |
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