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  • Chem Sci Trans., 2014, 3(1),  pp 79-86  

    DOI:10.7598/cst2014.619

    Research Article

    Optimization of MgO Dosage in MgO-CaCl2-Lime-HCl Based Defluoridation Technique

  • K. MARGANDAN, R. AGRAWAL, K.SINGH, R. ACHARYA, S. SHARMA and K. QANUNGO
  • Department of Applied Science & Humanities, Faculty of Engineering & Technology, Mody Institute of Science & Technology (Deemed University), Lakshmangarh-332311, Dist. Sikar, Rajasthan, India
    Department of Science and Technology, Govt. of Rajasthan, 506, 4th Floor Mini Secretariat
  • Abstract

    A series of experiments were performed to determine the optimum dosage of MgO for fluoride removal from local fluoride contaminated groundwater based on a MgO-CaCl2-Lime-HCl defluoridation system. Since the defluoridation process is to be utilized in a fluoride filter, the permissible limits of various water quality parameters have also to be met while determining the best possible dose. An optimum dosage of 0.8 g/L MgO was found. This dosage achieves at the same time the maximum fluoride removal, minimum concentration of residual Total Hardness and TDS in the defluoridated water.

    Keywords

    Defluoridation, Fluoride removal, Magnesium oxide

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