通过让氢气流经氘化钯床,在床出口端间隔取样分析的方法,研究了室温 (～ 22℃ )下钯床排代回收和装载氘的性能.结果表明,气固相间的氢、氘交换过程可以采用塔板模型进行描述; 22℃下钯具有较大的氢同位素交换速率,氢 (氘 )的排代流速为 1.8 L/min时,回收率为 80%的氘纯度可以达到 99%,排代气量为钯床吸氢量的 3.0倍时,氘的装载纯度可以达到 99%.
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