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FLUORIDE REDUCTION IN DRINKING WATER USING AZADIRACHTA INDICA

A. Dhanalakshmi, Dr. M.Shahul Hameed, P. Aarthi

Abstract


Fluoride is a contaminant that does not break down and is non-biodegradable; it builds up in the soil, plants, and animals, as well as in human people. Because of this, it is necessary to eliminate fluoride by employing the most effective method possible while achieving maximum productivity. The current study compares and contrasts the efficacy of a variety of materials in the process of removing fluoride from water. The purpose of this study is to investigate whether or not affordable leaf adsorbents are suitable for the successful remediation of fluoride-contaminated water. In the current research, an inexpensive adsorbent made from powdered neem leaves that had been subjected to a chemical activation process was investigated for its properties. The fluoride removal capability of different materials may be affected by a wide variety of crucial characteristics, including pH, contact duration, temperature, particle size, surface area, and adsorbent dose. This article reviews the most significant findings from in-depth research on these aspects. Both the Freundlich and the Langmuir models have a strong correlation with the adsorption equilibrium. The Langmuir isotherm functions admirably for the defluoridation of water by the utilization of leaf powder. The level of fluoride expulsion utilizing the minimal expense adsorbents are as per the following, inativarted adsorbent - 91% enacted adsorbent = 85%, carbonized adsorbent = 87 %.


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References


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