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Adsorption kinetics, isotherms, and thermodynamic studies for the adsorption of Pb$$^{2+}$$ and Hg$$^{2+}$$ metal ions from aqueous medium using Ti(IV) iodovanadate cation exchanger

チタン(IV)ヨウ化バナジウムカチオン交換体を用いた水溶液系からの鉛(II)と水銀(II)の吸着機構、吸着等温線ならびに熱力学的研究

Naushad, M.*; Alothman, Z. A.*; Awual, M. R.; Alam, M. M.*; Eldesoky, G. E.*

Naushad, M.*; Alothman, Z. A.*; Awual, M. R.; Alam, M. M.*; Eldesoky, G. E.*

In the current study, Ti(IV) iodovanadate cation exchanger (TIV) was synthesized and applied for the removal of Pb$$^{2+}$$ and Hg$$^{2+}$$ metal ions from the aqueous medium. The adsorption studies were performed by the batch techniques and adsorption parameters viz. contact time, pH, initial metal ion concentration, and temperature were also investigated. The optimum adsorption of Pb$$^{2+}$$ and Hg$$^{2+}$$ were observed at pH6. The pseudo-second order equation represented the adsorption kinetics with high correlation coefficient. Langmuir model showed the best fitting to the isotherm equilibrium data, with a maximum adsorption capacity of 18.8 mg/g for Pb$$^{2+}$$ and 17.2 mg/g for Hg$$^{2+}$$.

使用言語

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English

掲載資料名

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Ionics

巻

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21

号

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8

ページ数

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p.2237 - 2245

発行年月

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2015/08

発表会議名

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開催年月

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開催都市

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開催国

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キーワード

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Ti(IV) iodovanadate; Toxic metal ions; Adsorption

特許データ

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PDF

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論文URL

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https://doi.org/10.1007/s11581-015-1401-7

研究データの公開先DOI

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使用施設

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SPring-8(大型放射光施設)

広報プレスリリース

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論文解説記事
(成果普及情報誌)

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受委託・共同研究相手機関

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Access

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- Accesses

InCites™

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 高被引用文献

パーセンタイル：99.62

分野：Chemistry, Physical

Altmetrics

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