Study on Sorption Capacity of Synthetic Zeolite for Simulated Nuclide Cs⁺

For the sake of understanding the functionary order of simulated nuclide Cs⁺ and Synthetic Zeolite(ZF), the sorption equilibrium time and sorption capacity of simulated nuclide Cs⁺ on ZF are studied with the intermittence method. The difference of temperature pH value, Cs⁺ concentration and medium on sorption capacity and sorption ratio are investigated. The results show that the sorption complexion of simulated nuclide Cs⁺ on ZF in the same concentration solution are sorption equilibrium quantity in range of 155~190 mg/g in different temperatures and that in range of 165~190mg/g in different pH values and that in range of 120~210mg/g in different media; and changing order of equilibrium adsorption ratio is the same to that of sorption equilibrium quantity, but their changing range are wider than that of sorption equilibrium quantity; equilibrium adsorption quantity in range of 180~380mg/g in different concentration solutions, and changing order of equilibrium adsorption ratio is opposite to that of sorption equilibrium quantity, and moreover, their changing range are wider than that of the sorption equilibrium quantity. Sorption equilibrium time of simulated nuclide Cs⁺ on ZF is about ten to fifteen days. So the changing range of sorption capacity of simulated nuclide Cs⁺ on ZF with conditions effects is smaller and the sorption equilibrium time is also less and ZF preferably absorbs Cs in radiation wastes and thus consumedly reduces the effect of radwaste on the environment.