To date, the average total capacity of the drainage system of the sinkholes of PO Phosphorite is about 3 thousand m3/ h, approaching in the flood period to 8 thousand m3/ h.
Studies in recent years show that organic matter plays a significant role in the formation of the chemical composition of groundwater. Let us consider this question on the example of the known ferruginous waters of the North-Dvinsky depression, made by glacial, interglacial and marine Quaternary sediments.
При решении задач водоснабжения часто возникает необходимость очистки воды от избыточных концентраций веществ, содержащихся в ней, в частности от соединений железа ...
Groundwater containing more than 10 mg/l of iron is commonly referred to ferruginous waters. Such waters occur quite often, but due to the great dependence of iron migration ability on acid-alkaline and gas conditions, these deposits are localized in area and have unstable hydrochemical regime ...
