• Dr.Dipanwita Chattopadhyay

Fluoride is such an element that is widely acknowledged for the benefits it provides at low concentrations. Fluoride ranks 13th with respect to the abundancy in the earth’s crust. Fluoride is generally consumed through drinking water. The water may be tainted by organic materials, industrial wastes or natural sources. Fluoride is one of the contaminants which pollutes the water. The range of fluoride limit in drinking water is set around 1.5mg/l by WHO. Over 260 million people consume water with fluoride concentrations that is extensively high. In this review study, recent insights and comprehension of various defluoridation techniques have been highlighted along with the advantages and disadvantages of each technique. The study affirms that in spite of the development of several defluoridation techniques over the years, there has been no conclusive fluoride removal technique that can produce cost effective and sustainable results. Hence, a commercially sustainable, practical and economical technique is needed to protect people from the hazards and ill-effects of fluoride contamination. Keywords: Fluoride, water, contamination, defluoridation, technique, household

"DEFLUORIDATION BY HOUSEHOLD METHODS - A REVIEW", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.10, Issue 7, page no.d461-d469, July-2023, Available :http://www.jetir.org/papers/JETIR2307360.pdf

"DEFLUORIDATION BY HOUSEHOLD METHODS - A REVIEW", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.10, Issue 7, page no. ppd461-d469, July-2023, Available at : http://www.jetir.org/papers/JETIR2307360.pdf