Effect of water immersion on pore structure of bituminous coal with different metamorphic degrees
B Song, X Zhai, T Ma, B Wang, L Hao, Y Zhou - Energy, 2023 - Elsevier
It is important to understand the disaster-causing mechanism of dried water-immersed coal
by investigating the influence of water immersion on the coal pore structure. In this study, low …
by investigating the influence of water immersion on the coal pore structure. In this study, low …
Effect of ionic liquid treatment on pore structure and fractal characteristics of low rank coal
L Zhao, N Guanhua, S Lulu, S Qian, L Shang, D Kai… - Fuel, 2020 - Elsevier
In order to study the variation of pore characteristics and fractal dimensions, coal samples
are treated by ionic liquid with different concentrations. Then the N 2 isotherm …
are treated by ionic liquid with different concentrations. Then the N 2 isotherm …
Experimental study of pore structure and fractal characteristics of pulverized intact coal and tectonic coal by low temperature nitrogen adsorption
Z Wang, Y Cheng, Y Qi, R Wang, L Wang, J Jiang - Powder Technology, 2019 - Elsevier
To study the pore structure and fractal characteristics of pulverized intact coal and tectonic
coal, proximate analysis, gas adsorption/desorption, and N 2 (77K) adsorption experiments …
coal, proximate analysis, gas adsorption/desorption, and N 2 (77K) adsorption experiments …
Adsorption pore structure and its fractal characteristics of coals by N2 adsorption/desorption and FESEM image analyses
The adsorption pore structure and its fractal characteristics of coals (0.69–2.79% R o, m)
were investigated by N 2 adsorption/desorption and field emission scanning electron …
were investigated by N 2 adsorption/desorption and field emission scanning electron …
Pore structure evolution and oxidation characteristic change of coal treated with liquid carbon dioxide and liquid nitrogen
H Xin, W Tian, B Zhou, X Qi, J Li, J Wu, D Wang - Energy, 2023 - Elsevier
Coal fire is the major hazard to energy security and the environment in the world. Liquid CO
2 and liquid N 2 are widely used in coal mines. However, the spontaneous combustion …
2 and liquid N 2 are widely used in coal mines. However, the spontaneous combustion …
Multi-scale quantitative characterization of 3-D pore-fracture networks in bituminous and anthracite coals using FIB-SEM tomography and X-ray μ-CT
To study the three-dimensional (3-D) pore-fracture networks of bituminous (BC) and
anthracite (AC) coals, a combination of focused-ion beam-scanning electron microscopy …
anthracite (AC) coals, a combination of focused-ion beam-scanning electron microscopy …
Experimental investigation on coal pore and fracture characteristics based on fractal theory
H Guo, L Yuan, Y Cheng, K Wang, C Xu - Powder Technology, 2019 - Elsevier
Coal is an extremely complex porous medium. To study the pore and fracture characteristics
of coal, samples from northeastern China were collected and crushed into eight kinds of …
of coal, samples from northeastern China were collected and crushed into eight kinds of …
Estimation and modeling of pressure-dependent gas diffusion coefficient for coal: A fractal theory-based approach
Diffusion coefficient is one of the key parameters determining the coalbed methane (CBM)
reservoir economic viability for exploitation. Diffusion coefficient of coal matrix controls the …
reservoir economic viability for exploitation. Diffusion coefficient of coal matrix controls the …
Quantitative analysis of fracture dynamic evolution in coal subjected to uniaxial and triaxial compression loads based on industrial CT and fractal theory
D Wang, F Zeng, J Wei, H Zhang, Y Wu… - Journal of Petroleum …, 2021 - Elsevier
The dynamic evolution characteristics of fractures in coal under different compressive loads
are of great significance to the recovery of coalbed methane (CBM). In this paper, the X-ray …
are of great significance to the recovery of coalbed methane (CBM). In this paper, the X-ray …
Influence of microwave-assisted oxidant stimulation on pore structure and fractal characteristics of bituminous coal based on low-temperature nitrogen adsorption
C Xu, H Li, Y Lu, T Liu, J Lu, S Shi, Q Ye, Z Jia, Z Wang - Fuel, 2022 - Elsevier
Coal reservoir stimulation is a process of enhancing coalbed methane (CBM) production by
dilating, opening, and extending the width, length, and connectivity of the natural …
dilating, opening, and extending the width, length, and connectivity of the natural …