Factors influencing the sorption and migration behavior of uranium in shale
- 92 Downloads
The sorption of U(VI) on shale has been experimentally investigated as a function of pH, initial uranium concentration, rock particle size and water–rock ratio. The results showed the sorption equilibrium time was about 10 days, and the adsorption capacity presented a negative relationship with rock particle size and positive correlation with the liquid–solid ratio, also influenced by pH. The sorption process was fitted well with Freundlich isotherm. Experimental column was fully penetrated by tritium at about 230 min with a velocity of 0.13 cm/min while uranium was not penetrated the rock column in 180 days.
KeywordsUranium Shale Sorption Migration Factor
This work was jointly supported by the National Natural Science Foundation of China (No. 41402211 and 41672228) and Major Science and Technology Program for Water Pollution Control and Treatment (2014ZX07201-010).
- 11.Missana T, García-Gutiérrez M, Maffiotte C (2005) Experimental and modeling study of the uranium(VI) sorption on goethite. J Colloid Interface Sci 260(2003):291–301Google Scholar
- 23.GB 6768-86 (2000) Method of analyzing microquantity of uranium in water [S] (in Chinese)Google Scholar
- 24.EJ/T 550-2000 (1990) Determination of uranium in soil and rock samples by laser-induced fluorometry [S] (in Chinese)Google Scholar
- 25.GB 12375-90 (1990) Analytical method of tritium in water [S] (in Chinese)Google Scholar
- 28.Salah C, Abdelhamid M, Mahfoud B, Abderahmane A (2016) Kinetics and isotherms for uranium(VI) adsorption from aqueous solutions by goethite. Am J Chem Mater Sci 3(2):6–12Google Scholar
- 29.Xie SB, Zhang C, Zhou XH, Yang J, Zhang XJ, Wang JS (2009) Removal of uranium (VI) from aqueous solution by adsorption of hematite. J Environ Radioact 100(2009):162–166Google Scholar
- 34.Keum DK, Choi BJ, Baik MH, Hahn PS (2002) Uranium(VI) adsorption and transport in crushed granite. Environ Eng Res 2:103–111Google Scholar
- 35.Brian ED, Mark RM (2006) Modeling cadmium adsorption using the langmuir and freundlich isotherm experssions. Sep Sci Technol 28:13–14Google Scholar
- 36.Ho YS (2005) Isotherm for the sorption of lead onto peat:comparison of linear and non-linear methods. Pol J Environ Stud 15(1):81–86Google Scholar