| Issue |
E3S Web Conf.
Volume 411, 2023
VI International Conference on Actual Problems of the Energy Complex and Environmental Protection (APEC-VI-2023)
|
|
|---|---|---|
| Article Number | 02035 | |
| Number of page(s) | 10 | |
| Section | Ecology, Environmental Protection and Conservation of Biological Diversity | |
| DOI | https://doi.org/10.1051/e3sconf/202341102035 | |
| Published online | 10 August 2023 | |
Research of bittern concentration processes lake Karaumbet and Barsakelmes
1 Yangiyer branch of Tashkent Chemical Technological Institute, Department of Chemical Technology of Inorganic Substances, Yangiyer, Uzbekistan
2 Eastern University, Sri Lanka, Chenkalady, Sri Lanka
3 Tashkent Chemical Technological Institute, Tashkent, Uzbekistan
* Corresponding author: samadiy@inbox.ru
The conducted studies on the concentration of brine from lakes Karaumbet and Barsakelmes under conditions close to industrial ones showed the possibility of obtaining practically pure sodium chloride and magnesium chloride melt. To do this, the evaporation process must be carried out in two stages. The evaporation to a density of 1.550 g/sm3 increases the content of magnesium chloride from 7.20% to 28.24%. At the same time, the content of sodium ions decreases from 8.05% to 0.91%. The evaporation at the first and second stages must be carried out to a density of 1.340-1.345 g/sm3, which contributes to the release of sodium chloride into the precipitate. The evaporation of the mother liquor makes it possible to obtain practically pure sodium chloride. The content of magnesium chloride after evaporation in the first stage is 15-16%.
© The Authors, published by EDP Sciences, 2023
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