STUDIES ON ESTIMATION OF FLUORIDE LEVEL AND DEFLUORIDATION OF DRINKING WATER USING AGROWASTE MATERIALS
Water samples of dug wells from different villages of Chandrapur district analysed for fluoride contamination, registered significant amount of fluoride content in drinking water. More than 50% villages’ water samples showed significant amount of fluoride content, which is comparatively higher than permissible limit prescribed by World Health Organisation (WHO 1.5ppm).Therefore, present study was undertaken for defluoridation of drinking water using low cost adsorbent materials. Charcoal prepared by using agrowaste like Cocos nucifera shells and fibers were utilized for defluoridation. In addition to that the materials like natural coal and fly ash were also used. Adsorption of fluoride was highest in charcoal of Cocos nucifera shell then natural coal and charcoal of Cocos nucifera fiber showed moderate adsorption while fly ash registered meagre adsorption capacity. Thus, Cocos nucifera shell and Cocos nucifera fiber as agrowaste materials are ecofriendly and economical viable adsorbents, thus it can be conveniently used for defluoridation of drinking water.