ADSORPTION OF HEAVY METAL CATIONS ON HYDRATED OXIDES AND OXIDES OF IRON AND ALUMINUM WITH DIFFERENT CRYSTALLINITIES
スポンサーリンク
概要
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The adsorption of Cu^<2+>, Zn^<2+>, and Mg^<2+> on the hydrated oxides and oxides of iron and aluminum with different crystallinities was investigated. The effects of pH, ionic strength of the bulk solution, competing metal cations, metal cation concentration on the adsorption were evaluated. The adsorption of Cu^<2+>, Zn^<2+>, and Mg^<2+> on the hydrated oxides and oxides of iron and aluminum increased with increasing pH of the bulk solution, and the adsorption sequence was in the order Cu^<2+>>Zn^<2+>>Mg^<2+>. The ionic strength of the bulk solution did not affect the adsorption of Cu^<2+> and Zn^<2+>. competitive adsorption of Zn^<2+> and Mg^<2+> was observed in the presence of Cu^<2+>. The X-ray amorphous hydrated oxides and oxides of iron and aluminum with a low crystallinity showed a larger adsorption capability for heavy metal cations than those with a high crystallinity.
- 一般社団法人日本土壌肥料学会の論文
著者
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Yamane I
Faculty Of Agriculture Tokyo University Of Agriculture And Technology
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Okazaki Masanori
Faculty Of Agriculture Tokyo University Of Agriculture And Technology
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Yamane Ichiro
Faculty Of Agriculture Tokyo University Of Agriculture And Technology
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TAKAMIDOH Keiji
Faculty of Agriculture, Tokyo University of Agriculture and Technology
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Takamidoh Keiji
Faculty Of Agriculture Tokyo University Of Agriculture And Technology
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