Competitive adsorption of N
            <sub>2</sub>
            and CO
            <sub>2</sub>
            on coal by a self-balancing triaxial equipment: A case study

Xue, Yang; Wang, Hanpeng; Shi, Shaoshuai; Xing, Jiapeng; Wang, Peng; Zheng, Ruijie; Yu, Xinping

doi:10.1080/15567036.2023.2175930

Cited by 2 publications

(2 citation statements)

References 29 publications

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“…In terms of self-developed adsorption equipment, Xue et al 106 developed a triaxial adsorption−desorption experimental device based on the improvement of the conventional competitive adsorption experimental device and also designed a self-balancing structure, which can avoid the safety hazards caused by the driving force of the piston rod after high-pressure fluid injection. The competitive adsorption rules of CH 4 and CO 2 under different pressures were also studied.…”

Section: Temperature Effects On Competitive Adsorption Of Multicompon...mentioning

confidence: 99%

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Experimental Investigations on Enhanced Coal Seam Methane Extraction by Injecting Gas: A Review

Wen,

Fan,

Jiang

et al. 2024

Energy Fuels

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Enhanced coal seam methane extraction by injecting gas is an emerging technology to both reduce greenhouse gas emissions and improve coal seam methane recovery. In this paper, the experimental and field research progress on gas injection for driving and displacing coal seam methane are reviewed from the perspectives of the micro, meso, and macro scales. The microscopic scale perspective involves intuitively analyzing the interaction process and relationship between strong adsorption gases (CO 2 , LCO 2 , and SCCO 2 ) and relatively weak adsorption gases (CH 4 , N 2 ) injected into coal samples, the changes in the number of micropores, mesopores, and macropores in coal samples by using NMR and low-temperature nitrogen adsorption equipment, and visualizing the multiphase flow process in pore structures using microfluidic methods. For the mesoscopic scale, multiple equipment means (SEM, NMR, liquid nitrogen adsorption, etc.) were used to quantitatively analyze the effects of different fracture widths, different degrees of metamorphism, and composition on gas seepage and adsorption−desorption rate. For the macroscopic scale, the physical and mechanical properties of coal and rock were analyzed using different pseudotriaxial or true triaxial seepage experimental equipment during the changes of gas injection process parameters and the effects of axial pressure and confining pressure, especially in adsorption−desorption and seepage related experiments in single component and multicomponent gases. Moreover, from future perspectives, some key, emerging, and intelligent technologies and equipment of gas injection enhanced coal seam methane extraction will be put forward.

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Section: Temperature Effects On Competitive Adsorption Of Multicompon...mentioning

confidence: 99%

“…Pajdak et al 105 focused on compensating the pressure reduction caused by CO 2 adsorption by coal. Xue et al 106 focused on the competitive adsorption properties under pseudotriaxial conditions. Xiao et al 109 focused on the effect of different temperatures on competitive adsorption.…”

Section: Temperature Effects On Competitive Adsorption Of Multicompon...mentioning

confidence: 99%

Experimental Investigations on Enhanced Coal Seam Methane Extraction by Injecting Gas: A Review

Wen,

Fan,

Jiang

et al. 2024

Energy Fuels

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Study on heat transfer effect of high-temperature nitrogen seepage in low-permeability coal

Wang,

Su,

Teng

et al. 2023

Energy Sources, Part A: Recovery, Utilization, and Environmenta

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Competitive adsorption of N ₂ and CO ₂ on coal by a self-balancing triaxial equipment: A case study

Cited by 2 publications

References 29 publications

Experimental Investigations on Enhanced Coal Seam Methane Extraction by Injecting Gas: A Review

Experimental Investigations on Enhanced Coal Seam Methane Extraction by Injecting Gas: A Review

Study on heat transfer effect of high-temperature nitrogen seepage in low-permeability coal

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Competitive adsorption of N 2 and CO 2 on coal by a self-balancing triaxial equipment: A case study

Cited by 2 publications

References 29 publications

Experimental Investigations on Enhanced Coal Seam Methane Extraction by Injecting Gas: A Review

Experimental Investigations on Enhanced Coal Seam Methane Extraction by Injecting Gas: A Review

Study on heat transfer effect of high-temperature nitrogen seepage in low-permeability coal

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Product

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Competitive adsorption of N ₂ and CO ₂ on coal by a self-balancing triaxial equipment: A case study