盐水体系热力学平衡态和非平衡态相图

Thermodynamic eguilibrium and non eguilibriun Phase diagram of multicomponent Salt-water System

在对海水Ｎａ＋、Ｋ＋、Ｍｇ（２＋）／／ＣＩ－、ＳＯ４（２－）－Ｈ２Ｏ体系在２５℃时或室温条件下采用合成复体法得到的平衡溶解度相图，蒸发结晶方式得到的蒸发相和采用过饱和溶液封闭静置结晶法得到的过饱和区相图进行对比分析，把它们划分成两种类型，热力学平衡态和非平衡态相图。对这两类相图关系进行探讨基础上认为，热力学非平衡相图主要是由于同一种盐在水溶液中是双粒子形式共存而引起过饱和溶解度现象所致。

Study on the relation between the stable phase diagram, euaporation phase diagram of multicomponent salt-water system at 25℃/or room temperature. by different method,and the supersaturated solution phase diagram, it could be Classified into two types from thermodynanlic viewpoint. the first one belongs to the thermodynamic eguilibrlum solubility phase diagram, the another on the thermodynamic noneguilibrium solubility phase diagram. And it is considered that the later is owing to the supersaturated solubility phenomenon which is always happened by that multi-speices produccd by the salt exists in the salt water solution.