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Evaluation of the CDC safe water-storage intervention to improve the microbiological quality of point-of-use drinking water in rural communities in South AfricaWater SA, 35
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Modeling and optimization of antidepressant drug Fluoxetine removal in aqueous media by ozone/H2O2 process: Comparison of central composite design and artificial neural network approachesJournal of The Taiwan Institute of Chemical Engineers, 48
Bei Zhang, Feng Li, Tao Wu, Dejun Sun, Yujiang Li (2015)
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R. Saravanan, V. Gupta, E. Mosquera, F. Gracia (2014)
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T. Saleh, V. Gupta (2012)
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Kinetics and Thermodynamics of Sorption of 4-Nitrophenol on Activated Kaolinitic Clay and Jatropha Curcas Activated Carbon from Aqueous Solution, 17
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V. Gupta, A. Mittal, Damodar Jhare, J. Mittal (2012)
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A new approach for the degradation of high concentration of aromatic amine by heterocatalytic Fenton oxidation: Kinetic and spectroscopic studiesJournal of Molecular Liquids, 173
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R. Saravanan, Elisban Sacari, F. Gracia, Mohammad Khan, E. Mosquera, V. Gupta (2016)
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A novel nanobiocomposite in the role of adsorbent was prepared by mixing silver (Ag) nanoparticles with cuttlebone (CB) and was characterized by UV–Vis, DLS, XRF, EDX, FE-SEM and BET analysis. Modeling and optimization of simultaneous removal of 4-nitrophenol and 4-chloro-2-nitrophenol in binary solution by adsorption onto prepared adsorbent (Ag–CB) was studied using response surface methodology (RSM). The adsorption of phenols onto Ag–CB reached equilibrium within 25 min. The removal efficiency increased with increment of Ag–CB dosage (1–5 g L−1) and contact time (5–25 min), whereas it decreased with increasing the solution pH (3–11) and the initial concentration of phenols (5–25 mg L−1). The removal efficiency of phenols under optimum conditions (initial phenols concentration of 10 mg L−1, Ag–CB dosage of 4 g L−1, pH of 5 and contact time of 20 min) was 86.41%. Polymath software was used to draw nonlinear isotherm and kinetics curves. The nonlinear regression methods revealed that the adsorption data can be well interpreted by Freundlich isotherm model (K F = 0.30 [(mg g−1)(L mg−1)]1/0.66; n = 0.66) and Ho’s pseudo-second order kinetics equation (k 2 = 0.17 g mg−1 min−1). Thermodynamic parameters declared that adsorption process was exothermic and nonspontaneous in the temperature range of 25–45 °C.
Research on Chemical Intermediates – Springer Journals
Published: Feb 9, 2017
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