Assessment of the economic efficiency of using gas from underground coal gasification at traditional power plants and prospects for the technology under decarbonization conditions

The paper compares investments in different options for steam power units with the most rational layout for coal or gas combustion. The ratio of gas/coal prices is determined, at which the use of gas energy by underground coal gasification (UCG) in steam boilers has an equal economic efficiency to traditional coal combustion. The paper also considers the experience of the Yuzhno-Abinskaya Podzemgaz station, which worked in the Soviet time in Kuzbass. A promising option for the use of UCG technology in combination with the carbon dioxide energy cycle with the possibility of achieving zero emissions and the creation of a coalbased, but carbon-neutral technology for the development of coal deposits is proposed.

Keywords: underground coal gasification, capital investments, power cycles, carbon dioxide, decarbonization.
For citation:

Shchinnikov P. A., Sadkin I. S. Assessment of the economic efficiency of using gas from underground coal gasification at traditional power plants and prospects for the technology under decarbonization conditions. MIAB. Mining Inf. Anal. Bull. 2022;(10-1):182—193. [In Russ]. DOI: 10.25018/0236_1493_2022_101_0_182.

Acknowledgements:
Issue number: 10
Year: 2022
Page number: 182-193
ISBN: 0236-1493
UDK: 622
DOI: 10.25018/0236_1493_2022_101_0_182
Article receipt date: 20.03.2022
Date of review receipt: 27.06.2022
Date of the editorial board′s decision on the article′s publishing: 10.09.2022
About authors:

Shchinnikov P. A.1, Dr. Sci. (Eng.), Professor, Head of Department, e-mail: koutepovy@ mail.ru, ORCID ID: 0000-0002-4313-6907;
Sadkin I. S.1,2, engineer researcher, e-mail: sadkinvanya@mail.ru, ORCID ID: 0000-00016516-432X;
1 Novosibirsk State Technical University, 630073, Novosibirsk, Russia;
2 IT SB RAS, 630090, Novosibirsk, Russia.

 

For contacts:

Sadkin I. S., e-mail: sadkinvanya@mail.ru.

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