Simultaneous removal of nitrate and heavy metals by iron metal.
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.
Hao
Zhi-Wei
ZW
Department of Environmental Engineering, Zhejiang University, Hangzhou 310027, China. hawk200044@126.com
Xu
Xin-Hua
XH
Jin
Jian
J
He
Ping
P
Liu
Yong
Y
Wang
Da-Hui
DH
D003300:Copper / Q000737:chemistry / Q000302:isolation & purification; D004787:Environmental Pollution / Q000517:prevention & control; D007501:Iron / Q000737:chemistry*; D019216:Metals, Heavy / Q000737:chemistry* / Q000302:isolation & purification*; D009566:Nitrates / Q000737:chemistry* / Q000302:isolation & purification*; D014961:X-Ray Diffraction
D019216:Metals, Heavy; D009566:Nitrates; D003300:Copper; D007501:Iron