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- W2957494625 abstract "Abstract In this study, the efficiency of Portland Pozzolana Cement (PPC) as an adsorbent was investigated in removing fluoride from synthetic water by providing a layer of cement paste on the inner side of mud pots. After 27 h 86% reduction in the concentration of fluoride was observed from an initial concentration of 5 mg/L. The adsorption capacity of cement paste was found to be 0.25 mg/g. Adsorbent showed significant removal over a wide range of pH (2–12) and highest defluoridation was obtained at a pH of 2. The kinetic study revealed that adsorption of fluoride follows Pseudo-second order kinetics. Further, the efficiency of PPC as an adsorbent was investigated in removing fluoride from groundwater. The ground water sample was collected from a village of Uttar Pradesh, India (Karahari, Mathura), having an initial fluoride concentration of 5.06 mg/L. In the case of ground water, the defluoridation efficiency of adsorbent was found to be 54.15%, which is lower than that observed in the case of synthetic fluoride solution prepared in the laboratory. For a relative understanding of the efficacy of the adsorbent, the Nalgonda technique was also used on the same groundwater and results were compared." @default.
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- W2957494625 date "2019-10-01" @default.
- W2957494625 modified "2023-09-23" @default.
- W2957494625 title "Efficiency of Portland Pozzolana Cement as an adsorbent in removing excess fluoride from groundwater" @default.
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- W2957494625 doi "https://doi.org/10.1016/j.gsd.2019.100248" @default.
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