地球学报2011，Vol.32Issue(4)：477-482,6.DOI:10.3975/cagsb.2011.04.12
西藏扎北盐湖秋季卤水(硫酸钠亚型)5℃等温蒸发实验研究
5℃-Isothermal Evaporation Experiment of Autumn Brines from the Sodium Sulfate Subtype Zhabei Salt Lake in Tibet
摘要
Abstract
The sodium sulfate subtype Zhabei salt lake in Tibet contains abundant special elements Li, B and K and trace elements Rb and Cs. It is necessary to carry out an isothermal evaporation experiment at lower temperatures to probe into the crystallization path of salt minerals at ambient temperatures. The authors conducted an experiment of 5℃ -isothermal evaporation of autumn brines and studied the crystallization paths and precipitation regularities of salts in the process of isothermal evaporation by referring to the metastable diagram of the quinary water-salt system of Na+, K+, Mg2+//Cl", SO42--H2O. The experiment and study provide an important basis for the comprehensive exploitation and use of brines of this salt lake. The experimental results show that boron is precipitated as borax in the whole evaporation process, and potassium is precipitated as sylvite and aphthitalite until the brine is extremely concentrated.关键词
相化学/5℃等温蒸发/结晶路线/盐类析出规律Key words
phase chemistry/5℃-isothermal evaporation/crystallization path precipitation/regularity of salts分类
天文与地球科学引用本文复制引用
王云生,郑绵平,乜贞,卜令忠,高峰..西藏扎北盐湖秋季卤水(硫酸钠亚型)5℃等温蒸发实验研究[J].地球学报,2011,32(4):477-482,6.基金项目
本文由中国地质调查局地质调查项目(编号:12120108056)和中国地质科学院矿产资源研究所基本业务费项目(编号:K0918)联合资助. （编号:12120108056）
