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Year : 2016  |  Volume : 2  |  Issue : 2  |  Page : 41-49

Uranium Removal from Its Liquid Waste Using Chemically Treated Rice Husk

1 Nuclear Materials Authority, Cairo, Egypt
2 Faculty of Agriculture, Benha University, Qalyubia, Egypt

Correspondence Address:
Dr. Ahmed M.A. Morsy
Nuclear Materials Authority, Cairo
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2423-7752.191401

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Introduction: In this study, rice husk (RH) was modified by HCl and HNO3, and the activated RHs were used as adsorbents for removal of UO22+ ions from aqueous solutions through batch equilibrium technique. Materials and methods: The influence of pH, equilibrium time, temperature, adsorbent dosage, and initial uranium concentration on adsorption percent was investigated. Results: Obtained results declared that the pH of aqueous solutions had affected UO22+ ions removal, which was indicated by the increased removal efficiency with increasing solution pH till pH 3. Conclusion: Experimental data were verified with Langmuir and other isotherms and were found to be well fitting with Langmuir isotherm models. A feasibility study for the whole process was performed.

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