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СONSUMPTION OF COMBUSTIBLE MINERALS IN THE CONTEXT OF THE TARGETS OF SUSTAINABLE DEVELOPMENT OF UKRAINE AND GLOBAL ENVIRONMENT CHANGES

Home > Archive > No. 3–4 (185–186) 2021 > 109–125


Geology & Geochemistry of Combustible Minerals No. 3–4 (185–186) 2021, 109–125.

https://doi.org/

Myroslav PODOLSKYY, Dmytro BRYK, Lesia KULCHYTSKA-ZYHAILO, Oleh GVOZDEVYCH

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

Abstract

An analysis of Ukraine’s sustainable development targets, in particular in the field of energy, resource management and environmental protection, are presented. It is shown that regional energetic is a determining factor for achieving the aims of sustainable development.

Changes in the natural environment in Ukraine due to external (global) and internal (local) factors that are intertwined and overlapped can cause threats to socio-economic development. It is proved that in the areas of mining and industrial activity a multiple increase in emissions of pollutants into the environment are observed.

The comparison confirmed the overall compliance of the structure of consumption of primary energy resources (solid fossil fuels, natural gas, nuclear fuel, oil and petroleum products, renewable energy sources) in Ukraine and in the European Union, shows a steaby trend to reduce the share of solid fuels and natural gas and increasing the shares of energy from renewable sources.

For example, in Ukraine the shares in the production and cost of electricity in 2018 was: the nuclear power plants – 54.33 % and in the cost – 26.60 %, the thermal power – 35.95 and 59.52 %, the renewable energy sources – 9.6 and 13.88 %.

The energy component must be given priority, as it is crucial for achieving of all other goals of sustainable development and harmonization of socio-economic progress.

The paper systematizes the indicators of regional energy efficiency and proposes a dynamic model for the transition to sustainable energy development of the region.

Keywords

combustible minerals, goals of sustainable development, ecology, energy efficiency indicators

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SUBSTANDARD CARBON-CONTAINING RAW MATERIALS AND METHODS OF THEIR THERMOCHEMICAL PROCESSING

Home > Archive > No. 1–2 (183–184) 2021 > 89–109


Geology & Geochemistry of Combustible Minerals No. 1–2 (183–184) 2021, 89–109.

https://doi.org/10.15407/ggcm2021.01-02.089

Dmytro BRYK, Myroslav PODOLSKYY, Yury KHOKHA, Oleksandr LYUBCHAK, Lesia KULCHYTSKA-ZHYHAYLO, Oleh GVOZDEVYCH

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

Abstract

The analysis of the structure of consumption of primary energy resources in the world and in Ukraine are carried out. It is shown that in recent decades the share of coal is stable at 25–30 % and does not show a tendency to decrease. Similar patterns are observed in Ukraine too. It is established that in Ukraine the energy potential of reserves of substandard carbon-containing raw materials is commensurate with the deposits of conditioned coal and can be used to increase the country’s energy security. At the same time, the deterioration of environmental indicators in the world and in Ukraine requires an increase in the level of environmental safety in the use of carbon-containing raw materials and appropriate environmental modernization of its thermochemical conversion methods.

The paper reviews the methods of thermochemical processing of substandard carbon-containing raw materials (pyrolysis and coking, hydrogenation, gasification) and shows that the gasification process, which allows processing of various substandard fuel resources in terrestrial and underground conditions, is the most promising for environmental safety use. It is shown that developed terrestrial gasification methods are characterized by insufficient productivity of gas generators, significant capital costs for their installation and negative impact on the environment. In addition, terrestrial processing of low-quality coal is not a waste-free technology and does not solve the problem of “secondary” gasification residues recycling . Some of these shortcomings can be eliminated by using the method of underground gasification, in which there is no need to extract coal to the surface, and secondary waste remains underground.

Keywords

energy resources, carbon-containing raw materials, coal, environmental conversion.

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