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在模拟处置条件下,采用北山地下水,用批式实验法研究了低氧氛围中,CO2浓度对99Tc在陇东黏土岩中的吸附行为的影响,同时,还探讨了在不同的CO2浓度下(0.03%、1%),黏土岩对水溶液pH值的缓冲作用,并同时研究了在不同初始pH值条件下,99Tc在黏土岩上的吸附行为。研究结果表明:在低氧条件下,陇东黏土岩对99Tc的吸附阻滞能力非常的弱,实验的CO2浓度对99Tc在陇东黏土岩中的吸附行为并无太大影响,陇东黏土岩对水溶液pH值有一定的缓冲作用,在实验
Under simulated conditions, the Beishan groundwater was used to study the effect of CO2 concentration on the adsorption of 99Tc in Longdong clay rock in a low oxygen atmosphere by the batch experiment method. At the same time, 0.03%, 1%). The adsorption of 99Tc on clay rock under different initial pH values was also studied. The results show that under low oxygen conditions, the adsorption capacity of 99Tc in Longdong clay rock is very weak. The experimental CO2 concentration has no significant effect on the adsorption behavior of 99Tc in Longdong clay rock. Longdong clay rock Aqueous solution of pH has a buffer effect in the experiment