察尔汗盐湖首采区晶间卤水石盐饱和度的研究

Study on Saturation Degree of Halite in the Chaerhan Salt Lake

中文关键词:  盐湖 卤水 活度 电势法 石盐 饱和度 察尔汗盐湖

英文关键词:Brine,Menan activity, Electric potential mothod,Pitzer' s equation.,

中文摘要:

      利用Ａｇ－ＡｇＣｌ电极和钠离子选择电极组成无液界电池的电势法，测定２５℃时察尔汗盐湖首采用晶间卤水中石盐的平均活度和饱和度；应用Ｐｉｔｚｅｒ方程，计算卤水中石盐的平均活度和饱和度。结果表明，察尔汗首采区晶间卤水中的石盐均已接近或达到饱和；石盐饱和度的实验测定值与Ｐｉｔｚｅｒ方程的理论计算在总体趋势上吻合得较好。

英文摘要:

      The mean activity and saturation degree of sodium chloride in Chaerhan Salt Lake at highionic strength have been studied by using the electric potential method. The Pitzer's equationwas applied to calculate the mean activity and saturation degree of halite. The experimental meanactivities were compared with that calculated by Pitzer 's equation. The results showed that theChaerhan Salt Lake brine is almost saturated of even slightly oversaturated with halite.