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 …
Molecular simulation of the competitive adsorption characteristics of CH4, CO2, N2, and multicomponent gases in coal
H Long, H Lin, M Yan, P Chang, S gang Li, Y Bai - Powder Technology, 2021 - Elsevier
The microscopic mechanism of the competitive adsorption of CH 4, CO 2 and N 2 in coal is
the theoretical basis for enhancing coal seam gas recovery by injecting CO 2 (CO 2-ECBM) …
the theoretical basis for enhancing coal seam gas recovery by injecting CO 2 (CO 2-ECBM) …
Influence of competitive adsorption, diffusion, and dispersion of CH4 and CO2 gases during the CO2-ECBM process
The displacement mechanisms of adsorbed CH 4 by injected CO 2 at high pressures in CO
2-enhanced coalbed methane (CO 2-ECBM) processes involve competitive adsorption …
2-enhanced coalbed methane (CO 2-ECBM) processes involve competitive adsorption …
Mechanisms in CO2-enhanced coalbed methane recovery process.
Injection of CO< sub> 2 and subsequent desorption of CH< sub> 4 is considered to be the
most efficient enhanced coalbed methane (ECBM) recovery technique to date. Meanwhile …
most efficient enhanced coalbed methane (ECBM) recovery technique to date. Meanwhile …
Integrated assessment of CO2-ECBM potential in Jharia Coalfield, India
Coalbed methane (CBM) production is effectively achieved by utilizing two processes, viz.
primary and secondary recovery. In this paper, the primary recovery of CBM was studied …
primary and secondary recovery. In this paper, the primary recovery of CBM was studied …
Construction of different metamorphic degree coal models and corresponding adsorption characteristics based on molecular simulation
Q Han, C Deng, T Gao, Z **, H Zhang - Journal of Molecular Structure, 2023 - Elsevier
Coal samples with different metamorphic degrees have different gas-adsorption capacities.
Most of the existing studies analyze differences in gas-adsorption characteristics from a …
Most of the existing studies analyze differences in gas-adsorption characteristics from a …
[HTML][HTML] The effect of the density difference between supercritical CO2 and supercritical CH4 on their adsorption capacities: an experimental study on anthracite in the …
SJ Han, SX Sang, PP Duan, JC Zhang, WX **ang… - Petroleum Science, 2022 - Elsevier
Deep unmineable coals are considered as economic and effective geological media for CO
2 storage and CO 2 enhanced coalbed methane (CO 2-ECBM) recovery is the key …
2 storage and CO 2 enhanced coalbed methane (CO 2-ECBM) recovery is the key …
Methane/CO2 binary gas interaction on some moist, high–volatile bituminous Indian coals: 2. Pure-/mixed-gas adsorption modelling
The pure and mixed methane and CO 2 excess experimental adsorption of three moist, high-
volatile bituminous Indian coal samples at 40° C and up to a pressure of∼ 6500 kPa, were …
volatile bituminous Indian coal samples at 40° C and up to a pressure of∼ 6500 kPa, were …
Molecular simulation of the adsorption characteristics of methane in pores of coal with different metamorphic degrees
Q Han, C Deng, Z **, T Gao - Molecules, 2021 - mdpi.com
In order to study differences in the methane adsorption characteristics of coal pores of
different metamorphic degrees, 4 nm pore structure models based on three typical coal …
different metamorphic degrees, 4 nm pore structure models based on three typical coal …
New insight into CH4 adsorption mechanism in coal based on modeling analysis of different adsorption theories
H Liu, J Liu, D Gao, Z Fan, H Xu, H Ding, H Fang… - Journal of …, 2024 - Elsevier
Based on the principle of Gibbs excess adsorption measurement, high-pressure isothermal
adsorption and desorption experiments of CH 4 were performed on fractured coal samples …
adsorption and desorption experiments of CH 4 were performed on fractured coal samples …