Evaluation of aqueous geochemistry of fluoride enriched groundwater: A case study of the Patan district, Gujarat, Western India
Kumar, Pankaj, Singh, Chander K., Saraswat, Chitresh, Mishra, Binaya K. and Sharma, Tejal, (2017). Evaluation of aqueous geochemistry of fluoride enriched groundwater: A case study of the Patan district, Gujarat, Western India. Water Science, 31(2), 215-229
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Sub-type Journal article Author Kumar, Pankaj
Singh, Chander K.
Saraswat, Chitresh
Mishra, Binaya K.
Sharma, TejalTitle Evaluation of aqueous geochemistry of fluoride enriched groundwater: A case study of the Patan district, Gujarat, Western India Appearing in Water Science Volume 31 Issue No. 2 Publication Date 2017-10 Place of Publication Online Publisher Science Direct Start page 215 End page 229 Language eng Abstract High fluoride (F−) groundwater causes fluorosis which might at severe stages lead to deformation of bones, bilateral lameness. The concentration of F− ranged from 0.4 to 4.8 mg/L. This study suggests that high HCO3− and Na+ in alkaline medium along with water–rock interaction plays important role in enrichment of F− in groundwater. Na-HCO3 is the dominant water type followed by Ca-HCO3 suggesting dominance of Na+, Ca2+ and HCO3− ions in groundwater. Factor analysis of water quality parameters suggests that four principal components account for 74.66% of total variance in the dataset. Factor 1 shows higher positive loading for pH, HCO3− negative loading for F−, Ca2+, SO42− depicting ion-exchange and HCO3 dominant water type responsible for F enrichment in groundwater. Saturation index for selected minerals suggests that most of the samples are oversaturated with calcite and undersaturated with fluorite. Calcite precipitation leads to the removal of Ca2+ from solution thus allowing more fluorite to dissolve. These released Ca2+ ions combine with CO32− ions to further enhance the precipitation of CaCO3. UNBIS Thesaurus GROUNDWATER Keyword Fluoride
Rock–water interaction
Saturation indexCopyright Holder Elsevier Copyright Year 2017 Copyright type Creative commons DOI 10.1016/j.wsj.2017.05.002 -
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