Abstract
Currently, the Republic of Kazakhstan maintains an intense environmental situation that is associated with an anthropogenic impact on water supply sources. Technically, providing the required amount of water is a feasible task, but the supplied water must be of a certain quality and comply with drinking water supply standards. In this regard, it is a necessity today to constantly monitor the quality of underground water sources used to purify them from harmful impurities using the most effective and readily available natural sorbents. The paper presents the results of studies of the physical and chemical properties of groundwater from wells No. 48 belonging to LLP "ESCEIPA" and the village of Dzhangala, West Kazakhstan region. A siliceous rock - a flask of Western Kazakhstan was used as an adsorbent for water purification. Acid activation was carried out to increase the sorption capacity of the flask. Permanganate oxidizability, sulfate ions, and dry residue were determined in the studied water samples before and after treatment, the following. The studies were carried out with the original and modified flask. The experimental data obtained showed that the best results were achieved after acid activation of the sorbent. Thus, the content of mineral salts has decreased by 2 times, the permanganate oxidizability for the "ESCEIPA" water sample is below the permissible concentration, and the content of sulfate ions is close to the technical conditions. It has been proved that it is possible to use a flask for groundwater treatment, and acid modification improves the sorption characteristics of the material under study.
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