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[" 1 pérdida d density difference to facilitate the separation,
[" 1 pour the sodium ions to be exchanged with other cations in the resin
[" 1 pour the sodium ions to be exchanged with other cations in the resin
[" 1
[" to increase the density difference between the resins for easier separation
[" to regenerate the阳树脂 to the Na form and the阴树脂 to the OH form, to increase the density difference between the two types of resins for easier separation
[" to regenerate 阳树脂 to the 钾型 and 阴树脂 to the 氢氧根型, to increase the density difference between the two types of resins for easier stratification
[" to increase the density density density difference for easier separation
[" to regenerate the 阳树脂 to the 钾型 and the 阴树脂 to the 氢氧根型, to increase the density difference between the two types of resins for easier stratification
[" to increase the density difference between the two types of resins for easier stratification
[" to increase the density difference between the two types of resins for easier stratification
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通入NaOH的目的是：第一可使阳树脂彻底失效，致使阳树脂比重增大；第二可使阴树脂得到再生，致使阴树脂比重减轻。由于阴阳树脂比重差增大，这样可以使阴阳树脂分层更容易。
通入NaOH的目的是：第一可使阳树脂彻底失效，致使阳树脂比重增大；第二可使阴树脂得到再生，致使阴树脂比重减轻。由于阴阳树脂比重差增大，这样可以使阴阳树脂分层更容易。
混床再生不是需要酸再生和碱再生吗？莫不是还有一步？ 通入碱应该是让钠离子置换出树脂中的其他阳离子吧？……