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单词 Water softening
释义

Water softening

中文百科

硬水软化

硬水软化是降低水硬度的操作,可以将硬水软化为软水。硬水软化可以提高水使用的安全性。

常见硬水软化主要方法有煮沸、蒸馏等,工业上也有用药剂软化。

将水煮沸,可将部分钙镁离子转化为水垢。

通过加热的方法使水由液态转为气态。最后将水冷却为液态得到蒸馏水。这是实验室常用的净化水的方法。

通过在水中加入十水合碳酸钠,将与碳酸根离子化合的碳酸镁和碳酸钙固体沉淀出来。

Ca(aq)+CO3(aq) -> CaCO3(s)

Mg(aq)+CO3(aq) -> MgCO3(s)

英语百科

Water softening 硬水软化

Idealized image of water softening process involving replacement of calcium ions in water with sodium ions donated by a cation-exchange resin.
Lime scale in a PVC pipe
Ion exchange resins, in the form of beads, are a functional component of domestic water softening units.
Suavizador de agua químico.

Water softening is the removal of calcium, magnesium, and certain other metal cations in hard water. The resulting soft water is more compatible with soap and extends the lifetime of plumbing. Water softening is usually achieved using lime softening or ion-exchange resins.

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更新时间:2025/6/23 22:47:34