| The results of isothermal and natural evapotation of dozens Of salt lake brines have been summarized from the high plane of the combination of experiment and theory in the peper. The rules Of evaporation and crystallization were generalized and the theoratical bases of phase chemistry for three types of salt lake brines recommended. Because of small metastability proposed the equilirium phase diagram of the system Na . K . Mg(2 )/Cl- H2O, by Zdanovskii can be used to calculate the technological process of solar pond for the chloride type of brines. The evaporation- crystallization process of sulfate type of brines can be described by the metastable phase diagram by Jin, instead of van't Hoff's diagram; at the later stage of the concentrated lithium brines, our methetuble phase diagram of the quaternary system Li . Mg(2 )/Cl-, SO-H2O is available. Our metastable phase diagram of the system Na , K /Cl. CO, SO-H2O Can be based upon the phase chemistry of carbonate type of brines. rather than Temple' s equilirium phase diagram. The dexcription,the calculstion and/or the prediCtion Of evaporation process of brines were theoratically performed from the view point of thermodynamics. Some results for salt take brines. such as Yiliping. Dabuxun,West Taijinair, East Taijinair arid so on, belong to the first publication. |
