Calculation methods on methane adsorption phase density in coal: A critical review and new insights
X Cheng, Y Cheng, C Wang, B Hu, J Wang - Chemical Engineering …, 2023 - Elsevier
Adsorption phase density is a bridge to accurately reflect the absolute adsorption amount of
adsorption characteristics. Although the calculation method of adsorption phase density has …
adsorption characteristics. Although the calculation method of adsorption phase density has …
Review on Pore Structure Characterization and Microscopic Flow Mechanism of CO2 Flooding in Porous Media
Y Tang, C Hou, Y He, Y Wang, Y Chen… - Energy …, 2021 - Wiley Online Library
Understanding of pore structure and microscopic flow mechanism at pore‐scale is
significant for enhancing oil recovery by carbon dioxide (CO2) flooding. Herein, the pore …
significant for enhancing oil recovery by carbon dioxide (CO2) flooding. Herein, the pore …
Full-scale pore structure characterization of different rank coals and its impact on gas adsorption capacity: A theoretical model and experimental study
Microscopic pores significantly impact the coalbed methane (CBM) storage, hence gas
energy recovery and gas-related problems mitigation. However, the quantitative relationship …
energy recovery and gas-related problems mitigation. However, the quantitative relationship …
CO2 and CH4 adsorption on different rank coals: A thermodynamics study of surface potential, Gibbs free energy change and entropy loss
X Du, Y Cheng, Z Liu, H Yin, T Wu, L Huo, C Shu - Fuel, 2021 - Elsevier
In this paper, the pore structures of three different rank coals sampled from China
(anthracite, bituminous coal and lignite) were characterized by CO 2 and N 2 adsorption …
(anthracite, bituminous coal and lignite) were characterized by CO 2 and N 2 adsorption …
Characteristics of methane adsorption/desorption heat and energy with respect to coal rank
J Ye, S Tao, S Zhao, S Li, S Chen, Y Cui - Journal of Natural Gas Science …, 2022 - Elsevier
Abstract Changes of heat and energy during methane adsorption and desorption are
essential factors affecting the production of coalbed methane. To characterize adsorption …
essential factors affecting the production of coalbed methane. To characterize adsorption …
Material composition, pore structure and adsorption capacity of low-rank coals around the first coalification jump: A case of eastern Junggar Basin, China
The first coalification jump (FCJ) has a significant impact on low-rank coal reservoir
heterogeneity, and is of great importance for coalbed methane (CBM) development. Here, a …
heterogeneity, and is of great importance for coalbed methane (CBM) development. Here, a …
Quantitative study on coal and shale pore structure and surface roughness based on atomic force microscopy and image processing
The heterogeneity and micropores distribution of coal and shale reservoirs make them
difficult to be quantitatively characterized by quick and economical approaches. A new …
difficult to be quantitatively characterized by quick and economical approaches. A new …
Molecular simulation of gas adsorption characteristics and diffusion in micropores of lignite
D Gao, L Hong, J Wang, D Zheng - Fuel, 2020 - Elsevier
In order to study the adsorption characteristics of single component, binary and ternary
mixed gases in lignite, the microscopic processes of CO 2 and N 2 injection for CH 4 …
mixed gases in lignite, the microscopic processes of CO 2 and N 2 injection for CH 4 …
Coal seam porosity and fracture heterogeneity of marcolithotypes in the Fanzhuang Block, southern Qinshui Basin, China
Marcolithotypes play a significant role in coal seam porosity and fracture heterogeneity. The
optical microscopy, CO 2 and N 2 adsorption, and X-ray CT were used for reconstructing the …
optical microscopy, CO 2 and N 2 adsorption, and X-ray CT were used for reconstructing the …
Evaluation of pore properties in coal through compressibility correction based on mercury intrusion porosimetry: A practical approach
As a commonly used method to evaluate the pore structures of coal, uncorrected MIP data
may cause the results to be highly overestimated. In this study, a series of experiments were …
may cause the results to be highly overestimated. In this study, a series of experiments were …