Numerical analysis of the underground coal gasification syngas composition in dependence to supplied oxidizer properties

Abstract

A numerical model which describes coal underground gasification heat and mass transfer processes was formulated. Numerical studies let to define a generated gases composition in dependence to gasification products temperature and pressure, and forced in heated gas composition. A combustible gas discharge composition versus forced in oxidizer components concentration functional connections are obtained, where dry air, different proportion mixture of oxygen, nitrogen and water vapor are forced in oxidizer components. It is found that a low-temperature gasification regime is occurred if an oxidizer contains no more than 15% of oxygen. If oxygen concentration in an oxidizer is more than 15% a high-temperature gasification regime is occurred, and a combustible gas discharge is increased.

Original language	English
Title of host publication	Proceedings - 2016 11th International Forum on Strategic Technology, IFOST 2016
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	303-307
Number of pages	5
ISBN (Electronic)	9781509008551
DOIs	https://doi.org/10.1109/IFOST.2016.7884253
Publication status	Published - 21 Mar 2017
Event	11th International Forum on Strategic Technology, IFOST 2016 - Novosibirsk, Russian Federation Duration: 1 Jun 2016 → 3 Jun 2016

Conference

Conference	11th International Forum on Strategic Technology, IFOST 2016
Country	Russian Federation
City	Novosibirsk
Period	1.6.16 → 3.6.16

Keywords

coal
generated gas
mathematical modeling
products gasification
underground gasification

ASJC Scopus subject areas

Ceramics and Composites
Computational Mathematics
Computer Science Applications
Mechanical Engineering
Mechanics of Materials
Electronic, Optical and Magnetic Materials
Control and Optimization

Access to Document

10.1109/IFOST.2016.7884253

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Cite this

Subbotin, A. N., Tarazanov, A. S., & Orlova, K. Y. (2017). Numerical analysis of the underground coal gasification syngas composition in dependence to supplied oxidizer properties. In Proceedings - 2016 11th International Forum on Strategic Technology, IFOST 2016 (pp. 303-307). [7884253] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IFOST.2016.7884253

Numerical analysis of the underground coal gasification syngas composition in dependence to supplied oxidizer properties. / Subbotin, A. N.; Tarazanov, A. S.; Orlova, K. Y.

Proceedings - 2016 11th International Forum on Strategic Technology, IFOST 2016. Institute of Electrical and Electronics Engineers Inc., 2017. p. 303-307 7884253.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Subbotin, AN, Tarazanov, AS & Orlova, KY 2017, Numerical analysis of the underground coal gasification syngas composition in dependence to supplied oxidizer properties. in Proceedings - 2016 11th International Forum on Strategic Technology, IFOST 2016., 7884253, Institute of Electrical and Electronics Engineers Inc., pp. 303-307, 11th International Forum on Strategic Technology, IFOST 2016, Novosibirsk, Russian Federation, 1.6.16. https://doi.org/10.1109/IFOST.2016.7884253

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