Analysis of the current salt balance of Balkhash Lake
AbstractOne of the largest continental salt lakes is Balkhash Lake. This article presents data of research results related to the study of main factors of the salt formation of Lake Balkhash waters in the isothermal evaporation in a carbonate crystallization stage. One of the reasons, which encourage the enhancing of the calcium carbonate settleability in the water of Balkhash Lake, is the absence of free CO2 in water, which is relatively rarely observed in lakes. In August 2013, free CO2 in the samples presented only in the western part of the lake was in the amount of 1.02-1.26 mg/l, and in the eastern part its concentration decreased to 0.43 mg/l. The absence of CO2, or its low content leads to the fact that precipitated carbonates cannot transfer into hydrogen, and they remain at the bottom.
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