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Publication Type : Journal Article
Publisher : Elsevier
Source : Journal of Environmental Radioactivity 2015, 148, 33–41. https://doi.org/10.1016/j.jenvrad.2015.05.016.
Url : https://www.sciencedirect.com/science/article/abs/pii/S0265931X15001617
Campus : Amritapuri
School : School for Sustainable Futures
Year : 2016
Abstract : An ecofriendly green chemistry method using a natural biopolymer, Gum Kondagogu (GK) for the removal of U (VI) from aqueous, simulated nuclear effluents was studied. The adsorption characteristic of GK towards U (VI) from aqueous solution was studied at varied pH, contact time, adsorbent dose, initial U (VI) concentration and temperature using UV–Visible spectroscopy and ICP-MS. Maximum adsorption was seen at pH 4, 0.1% GK with 60 min contact time at room temperature. The GK- U (VI) composite was characterized by FT-IR, zeta potential, TEM and SEM-EDAX. The Langmuir isotherm was found to be 487 mg of U (VI) g−1 of GK. The adsorption capacity and (%) of U (VI) was found to be 490 ± 5.4 mg g−1 and 98.5%. Moreover adsorption of U (VI) by GK was not influenced by other cations present in the simulated effluents. The adsorbed U (VI) was efficiently stripped from composite using 1 M HCl.
Cite this Research Publication : Sashidhar, R. B.; Selvi, S. K.; Vinod, V. T. P.; Kosuri, T.; Raju, D.; Karuna, R. "Bioprospecting of Gum Kondagogu ( Cochlospermum Gossypium ) for Bioremediation of Uranium (VI) from Aqueous Solution and Synthetic Nuclear Power Reactor Effluents". Journal of Environmental Radioactivity 2015, 148, 33–41. https://doi.org/10.1016/j.jenvrad.2015.05.016.