应用化学 ›› 1987, Vol. 0 ›› Issue (2): 5-11.

• 研究论文 • 上一篇    下一篇

盐卤硼酸盐化学——Ⅵ.扎仓茶卡盐湖卤水的蒸发和盐类的分离提取

高世扬, 李刚, 李录昌   

  1. 中国科学院盐湖研究所 西宁
  • 收稿日期:1986-05-29 修回日期:1986-08-13 出版日期:1987-04-10 发布日期:1987-04-10
  • 基金资助:
    中国科学院科学基金

THE CHEMISTRY OF BORATE IN SALT LAKE Ⅵ.EVAPORATION EXPERIMENT ON ZACANG-CHAKA SALT LAKE BRINE AND SEPARATION OF SALTS

Gao Shiyang, Li Gang, Li Luchang   

  1. Institute of Salt Lake, Academia Sinica, Xining
  • Received:1986-05-29 Revised:1986-08-13 Published:1987-04-10 Online:1987-04-10

摘要: 扎仓茶卡盐湖是藏北地区具有经济开发远景的一个新类型硼酸盐盐湖。卤水在25℃蒸发浓缩过程中的析盐顺序符合"介稳相图"预示的结果。结合湖区地表卤水和晶间卤水化学组成,提出该盐湖卤水利用天然冷冻析出芒硝,利用夏季组成卤水日晒分离软钾镁矾,冬季析硝卤水日晒析出钾石盐的自然处理工艺,同时论述了加酸处理含硼浓缩卤水提取硼酸的原则流程。

Abstract: Zacang-Chaka salt lake is a typical borate salt lake located in the west part of Xizang autonomous region. PRC. The contents of potassium, boron and lithium there are found higher than those in the other salt lake on Qinghai-Xizang plateau.During evaporation at 25℃, the lake brine crystallizes through steps what "metastable phase diagram"obtained from laboratory indicates. After crystallization of carnallite, high content of boron remained in the concentrated brine. From it boric acid can be separated out by acidification with hydrochloric acid.