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The Usage of UCG Technology as Alternative to Reach Low-Carbon Energy

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  • Stefan Zelenak

    (Hornonitrianske Bane Prievidza, a.s., Matice Slovenskej 10, 971 01 Prievidza, Slovakia)

  • Erika Skvarekova

    (Faculty of Mining, Ecology, Process Control and Geotechnologies, Institute of Earth’s Resources, Technical University of Kosice, Park Komenskeho 19, 040 01 Kosice, Slovakia)

  • Andrea Senova

    (Faculty of Mining, Ecology, Process Control and Geotechnologies, Institute of Earth’s Resources, Technical University of Kosice, Park Komenskeho 19, 040 01 Kosice, Slovakia)

  • Gabriel Wittenberger

    (Faculty of Mining, Ecology, Process Control and Geotechnologies, Institute of Earth’s Resources, Technical University of Kosice, Park Komenskeho 19, 040 01 Kosice, Slovakia)

Abstract

Countries of the European Union have stated transition to carbon-neutral economy until the year of 2050. Countries with a higher share of coal-fired power generation currently have no solution to end their combustion and use clean, emission-free energy immediately. The solution to this problem in the energy industry appears to be the increased use of natural gas, which significantly reduces CO 2 emissions. In this article, we investigated the possibility of using coal in situ, using UCG (underground coal gasification) technology. We focused on verified geological, hydrogeological, and tectonic information about the selected brown coal deposit in Slovakia. This information has been assessed in research projects in recent years at the Technical University. From the abovementioned information, possible adverse factors were evaluated. These factors affect the rock environment around the underground generator by UCG activity. As part of the process management, measures were proposed to eliminate the occurrence of pollution and adverse effects on the environment. In the final phase of the UCG technology, we proposed to carry out, in the boreholes and in the generator cavity, water flushing and subsequent grouting. The proposed are suitable materials for solidification and stabilization. Results of this article´s solutions are crucial in the case of usage of this so-called clean technology, not only in Slovakia but also worldwide.

Suggested Citation

  • Stefan Zelenak & Erika Skvarekova & Andrea Senova & Gabriel Wittenberger, 2021. "The Usage of UCG Technology as Alternative to Reach Low-Carbon Energy," Energies, MDPI, vol. 14(13), pages 1-15, June.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:13:p:3718-:d:579249
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    References listed on IDEAS

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    1. Marek Laciak & Ján Kačur & Milan Durdán, 2022. "Modeling and Control of Energy Conversion during Underground Coal Gasification Process," Energies, MDPI, vol. 15(7), pages 1-6, March.
    2. Yanpeng Chen & Tianduoyi Wang & Jinhua Zhang & Mengyuan Zhang & Junjie Xue & Juntai Shi & Yongshang Kang & Shengjie Li, 2022. "Simulation of Water Influx and Gasified Gas Transport during Underground Coal Gasification with Controlled Retracting Injection Point Technology," Energies, MDPI, vol. 15(11), pages 1-29, May.
    3. Peter Tauš & Martin Beer, 2022. "Evaluation of the Hydropower Potential of the Torysa River and Its Energy Use in the Process of Reducing Energy Poverty of Local Communities," Energies, MDPI, vol. 15(10), pages 1-15, May.
    4. Lele Feng & Maifan Dong & Yuxin Wu & Junping Gu, 2021. "Comparison of Tar Samples from Reaction Zone and Outlet in Ex-Situ Underground Coal Gasification Experiment," Energies, MDPI, vol. 14(24), pages 1-11, December.

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