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KMID : 1024520170260030303
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Journal of the Environmental Sciences
2017 Volume.26 No. 3 p.303 ~ p.309
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The Treatment Properties of Heavy Metals in Acid Mine Drainage with Micro-bubble and UV/H2O2 Oxidation Process
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Jung Yong-Jun
Jung Jae-Ouk
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Abstract
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Aeration with low energy micro-bubble generation and UV/H2O2 processes was introduced to verify the possibility of oxidation treatment for acid mine drainage. During 10 hours of aeration with micro-bubbles, Fe and As concentrations were decreased to 18.1 and 61.8%, respectively, while Cu, Cd, Al were kept at influent concentrations. Other heavy metals such as Mn, Cr, Pb, Zn, and Ni concentrations fluctuated due to the repetition of oxidation and release. Twenty days of aeration indicated the oxidation possibility for Cu, Cd, and Al. With the employment of UV/H2O2 processes, more than 77% of Cu and Fe removed, whereas slightly more than 30% of Cd and Al removed.
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KEYWORD
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Acid mine drainage, Heavy metals, Micro-bubble, Oxidization, UV/H2O2
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