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Information Supply of Hydrotechnical Reconstruction Concept of Stebnyk Tailings Storage (Ukraine)

Mokryi Volodymyr, Petrushka Ihor, Dyakiv Vasyl, Dzhumelia Elvira, Salamon Ivan

Ecological Engineering & Environmental Technology

2023

Vol. 24, iss. 2

120--130

The ecological condition of the Stebnyk tailings storage during the period of its operation and the development of the processes of filling it with brines to a critical level are analyzed. It is shown that the main reason for the current state of crisis of this object is its incorrect operation and the lack of an effective system for collecting and removing atmospheric water. The concept of hydro-technical reclamation of the tailings storage through the creation of the Stebnyk hydropark has been developed. The proposed technical solutions for the hydro-technical reclamation of the tailings storage include proposals for the design of a network of direct distribution and outlet channels on the territory of the already dry section No. 1, for the unloading of section No. 2. The design of the hydro-technical system “tailing storage – direct distribution and outlet channels channels” is based on a mathematical model of the water balance in conditions of continuous replenishment of ground and surface water and an increase in their level. The proposed hydro-technical network will provide control over the level of brines and discharge of water from the tailings storage facility. Geoinformation technologies were used to visualize the proposed technical solutions for the hydro-technical reclamation of the tailings storage. The implementation of the developed project proposals will ensure an environmentally safe hydrodynamic state of the “tailings storage – direct distribution and outlet channels” system, which will eliminate the threat of brine overflow through the protective dam, as well as the threat of dam breach and brine flow into water objects. Hydro-technical reclamation will ensure the environmental safety of human activities and water ecosystems of the water network of the Dniester river basin.