Caloric evaporation of the brine in Zangnan Salt Lake

作     者：Shiqiang WANG Yafei GUO Nan ZHANG Lingzhong BU Tianlong DENG Mianping ZHENG 

作者机构：Tianjin Key Laboratory of Marine Resources and ChemistryTianjin University of Science and TechnologyTianjin 300457China Tianjin Centre of China Geological Survey at CGSTianjin 300170China Key Laboratory of Saline Lake Resources and Environment in Ministry of Land and ResourcesInstitute of Mineral Resources at Chinese Academy of Geological SciencesBeijing 100037China CAS Key Laboratory of Salt Lake Resources and ChemistryQinghai Institute of Salt Lakes at CASXining 810008China 

出 版 物：《Frontiers of Chemical Science and Engineering》 (化学科学与工程前沿（英文版）)

年 卷 期：2011年第5卷第3期

页      面：343-348页

核心收录：

学科分类：08[工学] 080502[工学-材料学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：Financial support from the State Key Program of the National Natural Science Foundation of China(Grant No.20836009) the Key Laboratory of Saline Lake Resources and Environmental Ministry of Land and Resources,and the Tianjin Key Laboratory of Marine Resources and Chemistry(No.200909)is greatly appreciated 

主　　题：Zangnan Salt Lake evaporation crystalliza-tion path freezing 

摘      要：Zangnan Salt Lake on the south of the Tibet is a type of carbonate lake with high concentrations of lithium,boron,and potassium and obviously it differs from seawater in its chemical *** experimental simulation of the caloric evaporation of the lake’s brine was conducted byfirst freezing the brine and then performing isothermal evaporation at 288.15 *** freezing path and the physicochemical properties of the brine were *** crystallization sequence was natron,hydrohalite,halite,sylvite,zabuyelite,trona,aphthitalite,thermonatrite,and *** and cesium salts did not crystallized out but concentrated in the mother *** physicochemical properties(density,refractive index,conductivity,and pH)of the liquid phase changed as the evaporation *** the beginning of the evaporation processes,the concentration of potassium ions in the liquid phase gradually increased but later it decreased.A peak value of 55.21 g/L was obtained when the evaporation was 88%*** the mineral aphthitalite began to crystallize;the concentra-tions of B2O3,Li+,Rb+,and Cs+gradually increased as the evaporation *** the evaporation was 98%complete,their concentrations in the mother liquor were 40.77 g/L,4.838 g/L,400.17 mg/L and 31.95 mg/L,*** essential fundamental study can provide an important reference for the comprehensive utilization of brines in Zangnan Salt Lake.