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Environmental concerns of underground coal gasification

Author

Listed:
  • Imran, Muhammad
  • Kumar, Dileep
  • Kumar, Naresh
  • Qayyum, Abdul
  • Saeed, Ahmed
  • Bhatti, Muhammad Shamim

Abstract

Underground Coal Gasification is the conversion of solid Coal to gas in-situ by heating the coal and injecting oxidants air/oxygen to cause the gasification by partial combustion instead of complete combustion of coal. UCG is the promising technology having a lot of health, safety and environmental advantages over the conventional mining techniques; the major motivational aspects of UCG involves increased worker health and safety by using no man underground, no surface disposal of ash and coal tailings, low dust and noise pollution, low water consumption, larger coal reserves exploitation, and low volatile organic components, methane and green house gases emission to atmosphere. UCG is an inherently clean coal technology as it reduces deadly sulfur and nitrogen oxide emissions to very low levels. Total solid waste from UCG is typically half the volume generated by conventional coal plants and water use is substantially lower as well.

Suggested Citation

  • Imran, Muhammad & Kumar, Dileep & Kumar, Naresh & Qayyum, Abdul & Saeed, Ahmed & Bhatti, Muhammad Shamim, 2014. "Environmental concerns of underground coal gasification," Renewable and Sustainable Energy Reviews, Elsevier, vol. 31(C), pages 600-610.
  • Handle: RePEc:eee:rensus:v:31:y:2014:i:c:p:600-610
    DOI: 10.1016/j.rser.2013.12.024
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    Citations

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    Cited by:

    1. Fa-qiang Su & Akihiro Hamanaka & Ken-ichi Itakura & Gota Deguchi & Wenyan Zhang & Hua Nan, 2018. "Evaluation of a Compact Coaxial Underground Coal Gasification System Inside an Artificial Coal Seam," Energies, MDPI, vol. 11(4), pages 1-11, April.
    2. Oleg Bazaluk & Vasyl Lozynskyi & Volodymyr Falshtynskyi & Pavlo Saik & Roman Dychkovskyi & Edgar Cabana, 2021. "Experimental Studies of the Effect of Design and Technological Solutions on the Intensification of an Underground Coal Gasification Process," Energies, MDPI, vol. 14(14), pages 1-18, July.
    3. Javed, Syed Bilal & Uppal, Ali Arshad & Samar, Raza & Bhatti, Aamer Iqbal, 2021. "Design and implementation of multi-variable H∞ robust control for the underground coal gasification project Thar," Energy, Elsevier, vol. 216(C).
    4. Hongtao Liu & Feng Chen & Yuanyuan Wang & Gang Liu & Hong Yao & Shuqin Liu, 2018. "Experimental Study of Reverse Underground Coal Gasification," Energies, MDPI, vol. 11(11), pages 1-13, October.
    5. Javed, Syed Bilal & Uppal, Ali Arshad & Bhatti, Aamer Iqbal & Samar, Raza, 2019. "Prediction and parametric analysis of cavity growth for the underground coal gasification project Thar," Energy, Elsevier, vol. 172(C), pages 1277-1290.
    6. Yuteng Xiao & Jihang Yin & Yifan Hu & Junzhe Wang & Hongsheng Yin & Honggang Qi, 2019. "Monitoring and Control in Underground Coal Gasification: Current Research Status and Future Perspective," Sustainability, MDPI, vol. 11(1), pages 1-14, January.
    7. Prabu, V. & Geeta, K., 2015. "CO2 enhanced in-situ oxy-coal gasification based carbon-neutral conventional power generating systems," Energy, Elsevier, vol. 84(C), pages 672-683.
    8. Mohammadreza Shahbazi & Mehdi Najafi & Mohammad Fatehi Marji, 2019. "On the mitigating environmental aspects of a vertical well in underground coal gasification method," Mitigation and Adaptation Strategies for Global Change, Springer, vol. 24(3), pages 373-398, March.
    9. Xiong, Yu & Kong, Dezhong & Song, Gaofeng, 2024. "Research hotspots and development trends of green coal mining: Exploring the path to sustainable development of coal mines," Resources Policy, Elsevier, vol. 92(C).
    10. Karol Kostúr & Marek Laciak & Milan Durdan, 2018. "Some Influences of Underground Coal Gasification on the Environment," Sustainability, MDPI, vol. 10(5), pages 1-31, May.
    11. Xu, Jiuping & Gao, Wen & Xie, Heping & Dai, Jingqi & Lv, Chengwei & Li, Meihui, 2018. "Integrated tech-paradigm based innovative approach towards ecological coal mining," Energy, Elsevier, vol. 151(C), pages 297-308.
    12. 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.
    13. Wang, Xiaorui & Zhang, Qinghe & Yuan, Liang, 2024. "A coupled thermal-force-chemical-displacement multi-field model for underground coal gasification based on controlled retraction injection point technology and its thermal analysis," Energy, Elsevier, vol. 293(C).

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