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EXTRACTION AND INNOVATIVE USE OF METHANE FROM COAL DEPOSIT OF THE LVIV-VOLYN COAL BASIN

Home > Archive > No. 1–2 (197–198) 2025 > 43–56


Geology & Geochemistry of Combustible Minerals No. 1–2 (197–198) 2025, 43–56

https://doi.org/10.15407/ggcm2025.197-198.043

Iryna BUCHYNSKA, Oleg GVOZDEVYCH, Myroslav PODOLSKY, Lesya KULCHYTSKA-ZHYHAYLO

Institute of Geology and Geochemistry of Combustible Minerals of National Academy of Sciences of Ukraine, Lviv, Ukraine, e-mail: ibuchynska@ukr.net

Abstract

The European course towards decarbonization of the economy and energy systems is directly related to the reduction of the volume of extraction and use of fossil fuels. For Ukraine, large-scale restructuring of the coal industry, modernization of mining regions and thermal power are priority tasks. On the one hand, it is necessary to radically reduce the negative impact of extraction and use of fossil fuels on the environment, and on the other hand, we must ensure the effective involvement of the potential of mining systems in the sustainable development of territories, in particular by introducing modern innovative methods of using existing geological objects and mineral resources.

In the article, using the example of coal massif of the Lviv-Volyn Coal Basin, a geological analysis of the formation of methane-containing coal gas traps is carried out and the dependence of the volume of coal gas release on the methane content of coal deposits is shown; for the extraction of a methane-gas mixture from a coal massif, a technological scheme is proposed, which is characterized by the fact that it step by step selects an underground block, to which gas production wells are drilled from the surface and coal gas is extracted, in the next step an adjacent underground block is selected, additional gas production wells are drilled and coal gas is extracted from the adjacent block, by repeating the blocks selection and gas extraction methane-gas mixture from all coal massif is removed; the scheme of an innovative complex has been developed that uses a methane-gas mixture of coal massifs to simultaneously produce of hydrogen, ammonia, and methanol, such complexes can be recommended for the sustainable development of mining enterprise territories.

Keywords

coal bed methane, coal massif, Lviv-Volyn Basin, gas extraction, production of hydrogen, ammonia, methanol

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MINING COMPLEX OF THE LVIV-VOLYN COAL BASIN AND ITS IMPACT ON THE ECOSYSTEM OF THE REGION

Home > Archive > No. 3 (180) 2019 > 52-59


Geology & Geochemistry of Combustible Minerals No. 3 (180) 2019, 52-59.

https://doi.org/10.15407/ggcm2019.03.052

Andriy POBEREZHSKY, Iryna BUCHYNSKA, Olena SHEVCHUK, Taras MUKAN

Institute of Geology and Geochemistry of Combustible Minerals of National Academy of Sciences of Ukraine, Lviv,
e-mail: igggk@mail.lviv.ua

Abstract

The influence of exploitation and abandonment of coal mines of the mining complex of Lviv-Volyn coal basin on the ecosystem of the region is considered. The main ecological problems of the territory are analyzed. It is established that the high technogenic pollution of the Chervonograd geological and industrial region is facilitated by the inflow of highly polluted drainage waters from the mine heaps and rock waste heaps of the Chervonograd Central Mining Plant into soils, surface, ground and underground waters. The negative impact of the heaps is caused by the high level of fault tectonics and fracturing of the bedrocks, the flat surface of the area. The influence of technogenic objects on the atmospheric air quality is analyzed. The main causes of the atmospheric air pollution are stationary sources of pollution.

Technogenic objects have a significant impact on the quality of the the atmospheric air. The main role in the structure of pollutants belongs to sulphur anhydrite, carbon and nitrogen oxides, dust and soot. The amount of pollutant emissions into the atmospheric air from stationary sources of pollution for Chervonograd and Sokal districts has been analyzed according to the data of the Main Statistics Office in Lviv region.

To prevent further deterioration of the ecological situation, it is recommended to form flat heaps, their reclamation and landscaping with the obligatory covering of the surface with a layer of neutral rocks, to keep measures to prevent burning of heaps. To stabilize the situation and to prevent further contamination of soil, surface and underground waters, the stable network of observations on the state of the geological environment, systematic geological and environmental monitoring should be carried out.

Keywords

Lviv-Volyn basin, mining complex, waste heaps, soils, underground waters, atmosphere.

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