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Removal of 226Ra from aqueous media and its thermodynamics and kinetics

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Abstract

The composite adsorbent prepared by mixing of polyacrylonitrile and clinoptilolite was used for investigating the adsorption behaviour of 226Ra in column system. The effective parameters like initial activity concentration, pH of the solution, contact time and temperature for adsorption behaviour of 226Ra were studied. Adsorption efficiency of 226Ra on composite adsorbent from aqueous solution was determined to 98.73 ± 0.59 % at pH 5.0 and 30 °C in a short time. The isotherm models were studied to evaluated adsorption characteristics of 226Ra onto composite adsorbent. The thermodynamic parameters were showing that the processes for 226Ra were exothermic. Adsorption kinetics of the radium is also studied.

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Acknowledgments

We are very grateful to the Unit of the Scientific Research Projects of Ege University for financial support.

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Authors and Affiliations

  1. Energy Institute, Istanbul Technical University, Maslak, 34469, Istanbul, Turkey

    S. Akyil Erenturk

  2. Cekmece Nuclear Research and Training Center, Yarimburgaz Mah, Nukleer Arastirma Merkezi Yolu, Kucukcekmece, 34303, Istanbul, Turkey

    A. Kilincarslan Kaygun

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  1. S. Akyil Erenturk
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  2. A. Kilincarslan Kaygun
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Correspondence to S. Akyil Erenturk.

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Erenturk, S.A., Kaygun, A.K. Removal of 226Ra from aqueous media and its thermodynamics and kinetics. J Radioanal Nucl Chem 311, 1227–1233 (2017). https://doi.org/10.1007/s10967-016-5047-3

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  • DOI: https://doi.org/10.1007/s10967-016-5047-3

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