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Basu Hirakendu Singhal Rakesh Kumar Saha Sudeshna Pimple Mehzabin Vivek 《Journal of Radioanalytical and Nuclear Chemistry》2017,314(3):1905-1914
Novel sorbent, chitosan impregnated calcium alginate (Cal-Alg-Chi) bead was developed to sorb uranium from potable water without compromising water quality parameters. The uptake study in batch mode, showed more than 98% sorption of uranium in the concentration range of 0.1–50 µg mL−1. Cal-Alg-Chi beads, reduced the concentration of uranium below 15 ng mL−1 from 100 to 450 ng mL−1 in groundwater collected from effected regions in India. Sorption isotherm followed Langmuir model and maximum sorption capacity was evaluated as 36.04 mg g−1. The sorption was endothermic with ΔG 0 value of −9.76 kJ mol−1 and kinetics followed pseudo-second order rate law.
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