详细信息
- 责任者：Wang Yunsheng (Key Laboratory of Saline Lake Resources and Environments ; MLR ; Institute of Mineral Resources ; Chinese Academy of Geological Sciences ; Beijing 100037 ; China) ; Zheng Mianping
- 刊名：Acta Geoscientica Sinica
- 出版年：2011
- 卷期：32(4)
- 关键词：盐湖 ; salt lakes ; 西藏 ; Tibet
- 页码：p.477-482
- 图表：5 illus., 3 tables, 20 refs.
- 分类号：1002
- 出版序号：988
- issnNo：ISSN1006-3021
- isbnNo：CN11-3474/P
摘要
The sodium sulfate subtype Zhabei salt lake in Tibet contains abundant special elements Li, B and K and trace elements Rb and Cs. In this paper, 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 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.
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