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    Title: Rapid adsorption of industrial pollutants using metal ion doped hydroxyapatite
    Authors: Panneerselvam, K.;Arul, K. T.;Warrier, A. R.;Asokan, K.;Dong, C. L.
    Date: 2019-06-28
    Issue Date: 2020-06-01 12:12:41 (UTC+8)
    Abstract: The disposal of carcinogenic synthetic dye waste in water poses major challenges and threats the environmental safety. In this work, we address the issue of dye removal by adsorption using inorganic materials, Hydroxyapatite (HAp) with and without doping metal ions (Fe3+ and Co2+) are synthesized via facile co-precipitation route. These compounds are characterized by X-ray diffraction analysis, FTIR, Raman, SEM, UV-Vis and photoluminescence studies for confirming the phase, structure, morphology, composition and optical properties. The adsorption capacity of these samples were explored against Congo red dye. Enhanced adsorption efficiency (95.6%) is attained for iron doped HAp. Using various kinetic models, the adsorption kinetics of the dye is deliberated. Hence, based on the overall results, metal ions doped HAp could be employed as a feasible novel adsorbent material for industrial waste water treatment.
    Relation: AIP Conference Proceedings 2117(1), 020004
    DOI: 10.1063/1.5114584
    Appears in Collections:[Graduate Institute & Department of Physics] Journal Article

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