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- W1964539095 abstract "This work was conducted to determine the practicability of using a new adsorbent 4-ethyl thiosemicarbazide intercalated, organophilic calcined hydrotalcite (ETSC-OHTC) for the removal of uranium (U(VI)), and thorium (Th(IV)) from water and wastewater. The FTIR analysis helped in realizing the involvement of nitrogen and sulphur atoms of ETSC in binding the metal ions through complex formation. Parameters like adsorbent dosage, solution pH, initial metal ions concentration, contact time and ionic strength, that influence adsorption phenomenon, were studied. The optimum pH for maximum adsorption of U(VI) and Th(IV) was found to be in the range 4.0-6.0. The contact time required for reaching equilibrium was 4 hr. The pseudo second-order kinetic model was the best fit to represent the kinetic data. Analysis of the equilibrium adsorption data using Langmuir, Freundlich and Sips models showed that the Freundlich model was well suited to describe the metal ions adsorption. The K(F) values were 25.43 and 29.11 mg/g for U(VI) and Th(IV), respectively, at 30 degrees C. The adsorbent can be regenerated effectively from U(VI) and Th(IV) loaded ones using 0.01 mol/L HCl. The new adsorbent was quite stable for many cycles, without much reduction in its adsorption capacity towards the metals." @default.
- W1964539095 created "2016-06-24" @default.
- W1964539095 creator A5045191327 @default.
- W1964539095 creator A5082665131 @default.
- W1964539095 date "2013-04-01" @default.
- W1964539095 modified "2023-09-29" @default.
- W1964539095 title "Ethyl thiosemicarbazide intercalated organophilic calcined hydrotalcite as a potential sorbent for the removal of uranium(VI) and thorium(IV) ions from aqueous solutions" @default.
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- W1964539095 doi "https://doi.org/10.1016/s1001-0742(12)60064-3" @default.
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