Study on sorption of chlorite to uranium(VI)
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TL942.1

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    Abstract:

    In this paper, employing the static adsorption methods, we explored the effects of adsorption time, U(VI) initial concentration, solid liquid ratio, pH value, ion type, temperature and other factors on the adsorption of U(VI) by chlorite. The adsorption kinetics of U(VI) in chlorite is discussed. The results show that the quasi-secondary dynamics model can be used to describe the adsorption of uranium on chlorite; The adsorption rate of chlorite on U(VI) is relatively fast, and the adsorption of 20h is stable; The optimal solid-liquid adsorption ratio is 1:150; The optimal initial concentration is 20ug•mL-1; The best adsorption effect can be obtained when pH is 7. The acid or alkaloid will affect the adsorption of chlorite on U(VI); Ca2+, HCO3-, CO32-, SO42-, Mg2+in the solution have inhibitory effect on the adsorption of U(VI).

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Cite this article as: HUANG Jun-Wen, LENG Yang-Chun, SONG Yi-Ting, ZHANG Hong, TUO Xian-guo. Study on sorption of chlorite to uranium(VI) [J]. J Sichuan Univ: Nat Sci Ed, 2019, 56: 313.

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History
  • Received:October 30,2017
  • Revised:March 24,2018
  • Adopted:March 24,2018
  • Online: March 27,2019
  • Published: