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Removal of chromium(VI) from wastewater using Sorel's cement

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Summary

Synthetic Sorel's cement [3Mg(OH)2 . MgCl2 . 8H2O], is used as a new adsorbent material for removal of chromium(VI) ion from wastewater effluents. Parameters including contact time, adsorbent dosage and pH are examined and optimized. The equilibrium data are fitted very well to the Langmuir and Freundlich isotherms rather than linear. The adsorption isotherm indicates that the monolayer coverage is 21.4 mg Cr(VI) ion per g of Sorel's cement. The adsorbent is considered as a better replacement technology for removal of Cr(VI) ion from aqueous solutions due to its low cost, good efficiency, fast kinetics, and simple preparation. It offers remarkable efficiency for Cr(VI) removal from wastewater compared with many other natural and synthetic adsorbents.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Science, Ain Shams University, Abbassia, Cairo, Egypt

    Saad S. M. Hassan

  2. Analytical Chemistry Department, Hot Labs Center, Atomic Energy Authority, Egypt

    Nasser S. Awwad

  3. Department of Chemistry, Faculty of Science, Ain Shams University, Abbassia, Cairo, Egypt

    Awaad H. A. Aboterika

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  1. Saad S. M. Hassan
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  2. Nasser S. Awwad
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  3. Awaad H. A. Aboterika
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Hassan, S., Awwad, N. & Aboterika, A. Removal of chromium(VI) from wastewater using Sorel's cement. J Radioanal Nucl Chem 269, 135–140 (2006). https://doi.org/10.1007/s10967-006-0242-2

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  • DOI: https://doi.org/10.1007/s10967-006-0242-2

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