Influence of geological variations on lignite drying kinetics in superheated steam atmosphere for belchatow deposit located in the central Poland

Anna Sciazko; Yosuke Komatsu; Marcin Zakrzewski; Taro Akiyama; Akira Hashimoto; Naoki Shikazono; Shozo Kaneko; Shinji Kimijima; Janusz S. Szmyd; Yoshinori Kobayashi

doi:10.2298/TSCI151111107S

Influence of geological variations on lignite drying kinetics in superheated steam atmosphere for belchatow deposit located in the central Poland

Anna Sciazko, Yosuke Komatsu, Marcin Zakrzewski, Taro Akiyama, Akira Hashimoto, Naoki Shikazono, Shozo Kaneko, Shinji Kimijima, Janusz S. Szmyd, Yoshinori Kobayashi

Research output: Contribution to journal › Article

Abstract

Lignite-fired coal power plants suffer from a significant heat loss due to the high moisture content in this energy carrier. Water removal from fuel is an indispensable treatment for improving the combustion process, which will foster the efficient utilization of lignite. Superheated steam fluidized bed drying is expected for this purpose in a power generation sector. Understanding drying kinetics of lignite will greatly reinforce design process of a dryer. Physical features as well as the drying behaviour may be divergent among the lignite originated from different depths and positions in a certain mine. To reveal and clarify the influence of the geological features, the drying characteristics of several grades of lignite from the Belchatow mine in Poland were investigated. The attempts to clarify the influence of the divergent properties of the investigated samples on the drying kinetics in superheated steam were presented in this paper.

Original language	English
Pages (from-to)	1185-1198
Number of pages	14
Journal	Thermal Science
Volume	20
Issue number	4
DOIs	https://doi.org/10.2298/TSCI151111107S
Publication status	Published - 2016

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Keywords

Lignite
Lignite drying
Lignite upgrading
Low-rank coal
Superheated steam drying

ASJC Scopus subject areas

Renewable Energy, Sustainability and the Environment

Cite this

Sciazko, A., Komatsu, Y., Zakrzewski, M., Akiyama, T., Hashimoto, A., Shikazono, N., ... Kobayashi, Y. (2016). Influence of geological variations on lignite drying kinetics in superheated steam atmosphere for belchatow deposit located in the central Poland. Thermal Science, 20(4), 1185-1198. https://doi.org/10.2298/TSCI151111107S

Influence of geological variations on lignite drying kinetics in superheated steam atmosphere for belchatow deposit located in the central Poland. / Sciazko, Anna; Komatsu, Yosuke; Zakrzewski, Marcin; Akiyama, Taro; Hashimoto, Akira; Shikazono, Naoki; Kaneko, Shozo; Kimijima, Shinji; Szmyd, Janusz S.; Kobayashi, Yoshinori.

In: Thermal Science, Vol. 20, No. 4, 2016, p. 1185-1198.

Research output: Contribution to journal › Article

Sciazko, Anna ; Komatsu, Yosuke ; Zakrzewski, Marcin ; Akiyama, Taro ; Hashimoto, Akira ; Shikazono, Naoki ; Kaneko, Shozo ; Kimijima, Shinji ; Szmyd, Janusz S. ; Kobayashi, Yoshinori. / Influence of geological variations on lignite drying kinetics in superheated steam atmosphere for belchatow deposit located in the central Poland. In: Thermal Science. 2016 ; Vol. 20, No. 4. pp. 1185-1198.

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abstract = "Lignite-fired coal power plants suffer from a significant heat loss due to the high moisture content in this energy carrier. Water removal from fuel is an indispensable treatment for improving the combustion process, which will foster the efficient utilization of lignite. Superheated steam fluidized bed drying is expected for this purpose in a power generation sector. Understanding drying kinetics of lignite will greatly reinforce design process of a dryer. Physical features as well as the drying behaviour may be divergent among the lignite originated from different depths and positions in a certain mine. To reveal and clarify the influence of the geological features, the drying characteristics of several grades of lignite from the Belchatow mine in Poland were investigated. The attempts to clarify the influence of the divergent properties of the investigated samples on the drying kinetics in superheated steam were presented in this paper.",

keywords = "Lignite, Lignite drying, Lignite upgrading, Low-rank coal, Superheated steam drying",

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AU - Akiyama, Taro

AU - Hashimoto, Akira

AU - Shikazono, Naoki

AU - Kaneko, Shozo

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AU - Kobayashi, Yoshinori

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AB - Lignite-fired coal power plants suffer from a significant heat loss due to the high moisture content in this energy carrier. Water removal from fuel is an indispensable treatment for improving the combustion process, which will foster the efficient utilization of lignite. Superheated steam fluidized bed drying is expected for this purpose in a power generation sector. Understanding drying kinetics of lignite will greatly reinforce design process of a dryer. Physical features as well as the drying behaviour may be divergent among the lignite originated from different depths and positions in a certain mine. To reveal and clarify the influence of the geological features, the drying characteristics of several grades of lignite from the Belchatow mine in Poland were investigated. The attempts to clarify the influence of the divergent properties of the investigated samples on the drying kinetics in superheated steam were presented in this paper.

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KW - Lignite upgrading

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Access to Document

10.2298/TSCI151111107S