regeneration of ion-exchange resin

例句：

1. 1. The process of regenerating the ion-exchange resin is crucial for maintaining its efficiency.
   再生离子交换树脂的过程对于保持其效率至关重要。
2. 2.In order to regenerate the ion-exchange resin, it needs to be washed with a solution of salt and water.
   为了再生离子交换树脂，它需要用盐水和水溶液清洗。
3. 3.The regeneration of the ion-exchange resin is achieved through the removal of impurities and the replacement of spent resin.
   通过去除杂质和更换用过的树脂来实现离子交换树脂的再生。