AFM characterization of physical properties in coal adsorbed with different cations induced by electric pulse fracturing

Qifeng Jia; Dameng Liu; Yidong Cai; Yingfang Zhou; Zheng Zhao; Yanqing  Yang

AFM characterization of physical properties in coal adsorbed with different cations induced by electric pulse fracturing

Qifeng Jia, Dameng Liu^* (Corresponding Author), Yidong Cai, Yingfang Zhou, Zheng Zhao, Yanqing Yang

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

Pore system in coal is highly heterogeneous, while it is the main occurrence space and transport channel for coalbed methane (CBM). Electric pulse fracturing (EPF) has been considered as an effective approach to improve the coal physical properties for better CBM production. In this work, based on AFM measurement of 40 coal samples collected from Qinshui Basin, we evaluated the physical properties of coal, adsorbed with different cations, after EPF. This was accomplished by first analyzing the breakdown field response process of coal adsorbed with different cations, and then determining the dynamic changes of pore and surface roughness using the watershed.

Original language	English
Journal	Fuel
Publication status	Accepted/In press - 7 Jul 2022

Keywords

Coal
AFM
Cation
Electric pulse fracturing
Physical properties

Embargoed Document

Jia_etal_F_AFM_Charaterization_of_AAM
Accepted author manuscript, 2.73 MB
Licence: CC BY-NC-ND
Embargo ends: 7/07/23

Cite this

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title = "AFM characterization of physical properties in coal adsorbed with different cations induced by electric pulse fracturing",

abstract = " Pore system in coal is highly heterogeneous, while it is the main occurrence space and transport channel for coalbed methane (CBM). Electric pulse fracturing (EPF) has been considered as an effective approach to improve the coal physical properties for better CBM production. In this work, based on AFM measurement of 40 coal samples collected from Qinshui Basin, we evaluated the physical properties of coal, adsorbed with different cations, after EPF. This was accomplished by first analyzing the breakdown field response process of coal adsorbed with different cations, and then determining the dynamic changes of pore and surface roughness using the watershed.",

keywords = "Coal, AFM, Cation, Electric pulse fracturing, Physical properties",

author = "Qifeng Jia and Dameng Liu and Yidong Cai and Yingfang Zhou and Zheng Zhao and Yanqing Yang",

note = "Acknowledgements This research was funded by the National Natural Science Foundation of China (grant nos. 41830427, 42130806 and 41922016), 2021 Graduate Innovation Fund Project of China University of Geosciences, Beijing (grant no. ZD2021YC035) and the Fundamental Research Funds for Central Universities (grant no. 2-9-2021-067). We are very grateful to the reviewers and editors for their valuable comments and suggestions.",

year = "2022",

month = jul,

day = "7",

language = "English",

journal = "Fuel",

issn = "0016-2361",

publisher = "ELSEVIER APPL SCI PUBL LTD",

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TY - JOUR

T1 - AFM characterization of physical properties in coal adsorbed with different cations induced by electric pulse fracturing

AU - Jia, Qifeng

AU - Liu, Dameng

AU - Cai, Yidong

AU - Zhou, Yingfang

AU - Zhao, Zheng

AU - Yang, Yanqing

N1 - Acknowledgements This research was funded by the National Natural Science Foundation of China (grant nos. 41830427, 42130806 and 41922016), 2021 Graduate Innovation Fund Project of China University of Geosciences, Beijing (grant no. ZD2021YC035) and the Fundamental Research Funds for Central Universities (grant no. 2-9-2021-067). We are very grateful to the reviewers and editors for their valuable comments and suggestions.

PY - 2022/7/7

Y1 - 2022/7/7

N2 - Pore system in coal is highly heterogeneous, while it is the main occurrence space and transport channel for coalbed methane (CBM). Electric pulse fracturing (EPF) has been considered as an effective approach to improve the coal physical properties for better CBM production. In this work, based on AFM measurement of 40 coal samples collected from Qinshui Basin, we evaluated the physical properties of coal, adsorbed with different cations, after EPF. This was accomplished by first analyzing the breakdown field response process of coal adsorbed with different cations, and then determining the dynamic changes of pore and surface roughness using the watershed.

AB - Pore system in coal is highly heterogeneous, while it is the main occurrence space and transport channel for coalbed methane (CBM). Electric pulse fracturing (EPF) has been considered as an effective approach to improve the coal physical properties for better CBM production. In this work, based on AFM measurement of 40 coal samples collected from Qinshui Basin, we evaluated the physical properties of coal, adsorbed with different cations, after EPF. This was accomplished by first analyzing the breakdown field response process of coal adsorbed with different cations, and then determining the dynamic changes of pore and surface roughness using the watershed.

KW - Coal

KW - AFM

KW - Cation

KW - Electric pulse fracturing

KW - Physical properties

M3 - Article

JO - Fuel

JF - Fuel

SN - 0016-2361

ER -

AFM characterization of physical properties in coal adsorbed with different cations induced by electric pulse fracturing

Abstract

Keywords

Embargoed Document

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