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Evaluation, characterization and analytical application of a new composite material for removing metal ions from wastewater

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Abstract

A new organic/inorganic composite based on polyacrylonitrile and stannic molybdophosphate (PAN–SMP) as an adsorbent was synthesized under various conditions. The physicochemical properties of this material were specified by elemental analysis, scanning electron microscopy, infrared spectroscopy and thermogravimetry studies. The synthesized material was found to be stable in demineralized water, in dilute acids, under gamma radiation up to the total radiated of 100 kGy doses and in high temperature up to 500 °C. Ion exchange capacity of the synthesized composite and its distribution coefficient (K d) for several metal ions were determined. The results showed that PAN–SMP has a great affinity toward some metal ions such as Tl+, Sr2+, Ba2+, UO2 2+ and La4+. Based on the determined K d values, two binary quantitative separations of metal ions (Cr6+ from Cu2+ and Pb2+ from Cu2+) have been achieved on columns of this ion exchanger. The ability of PAN–SMP to decontaminate low-level liquid waste was also investigated.

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Acknowledgments

The authors are thankful to the Nuclear Spectroscopy and Instrumental Analysis Section of Nuclear Fuel Cycle School, NSTRI, Tehran, for their help and for some laboratory facilities.

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Authors and Affiliations

  1. Nuclear Science and Technology Research Institute, NFCS, P.O. Box 11365/8486, Tehran, Iran

    R. Yavari & S. J. Ahmadi

  2. Faculty of Chemistry, Tarbiat Moallem University, Mofatteh Ave. No.49, 15614, Tehran, Iran

    F. Farkhondehru, V. Gholipoor & L. Kamel

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  1. R. Yavari
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  2. S. J. Ahmadi
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  3. F. Farkhondehru
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  4. V. Gholipoor
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  5. L. Kamel
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Corresponding author

Correspondence to S. J. Ahmadi.

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Yavari, R., Ahmadi, S.J., Farkhondehru, F. et al. Evaluation, characterization and analytical application of a new composite material for removing metal ions from wastewater. Int. J. Environ. Sci. Technol. 11, 1073–1080 (2014). https://doi.org/10.1007/s13762-013-0478-7

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  • DOI: https://doi.org/10.1007/s13762-013-0478-7

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