A review of the application of X-ray computed tomography to the study of coal

JP Mathews, QP Campbell, H Xu, P Halleck - Fuel, 2017 - Elsevier
There has been a long history of using X-rays to visualize coal and its transitions during
various treatments. Advances and improved availability has allowed the application of X-ray …

Research and prospect of underground intelligent coal gangue sorting technology: A review

G Zhao, F Chang, J Chen, G Si - Minerals Engineering, 2024 - Elsevier
As a by-product of coal production, coal gangue, if not handled properly, will pose an
important hidden danger to the environment and safety. Using underground intelligent coal …

Porosity and permeability characterization of coal: a micro-computed tomography study

HL Ramandi, P Mostaghimi, RT Armstrong… - International Journal of …, 2016 - Elsevier
A unique contrast agent technique using X-ray micro-computed tomography (micro-CT) was
developed for studying micrometer-sized features in coal. The technique allows for the …

Permeability of micro-scale structure in coal: Insights from μ-CT image and pore network modelling

P Liu, B Nie, Z Zhao, J Li, H Yang, C Qin - Gas Science and Engineering, 2023 - Elsevier
For developing coalbed methane resources, it is necessary to quantify the heterogeneity
embodied in pore size and spatial distribution, and on the basis of which the correlation …

Three-dimensional spatial structure of the macro-pores and flow simulation in anthracite coal based on X-ray μ-CT scanning data

HH Fang, SX Sang, SQ Liu - Petroleum Science, 2020 - Springer
Abstract The three-dimensional (3D) structures of pores directly affect the CH 4 flow.
Therefore, it is very important to analyze the 3D spatial structure of pores and to simulate the …

X-ray micro-computed tomography imaging for coal characterization

HL Ramandi, RT Armstrong, P Mostaghimi… - SPE Asia Pacific …, 2015 - onepetro.org
An Australian bituminous coal is imaged at high resolution of 16.1 μm with (wet) and without
(dry) X-ray attenuating fluids present in the pore space using a large-field three-dimensional …

Fragmentation of a Turkish low rank coal during fixed-bed evaporative drying process

S Pusat, MT Akkoyunlu, HH Erdem - International Journal of Coal …, 2021 - Taylor & Francis
In the present study, a new approach was utilized to investigate the fragmentation of low
rank coal during the thermal drying process. Drying experiments were conducted at different …

Design and application of coal gangue sorting system based on deep learning

K Zhang, Z Wang, Z Zhang, Z Shi, Y Qi, M Du… - Scientific Reports, 2024 - nature.com
With the advancement of science and technology, coal-washing plants are transitioning to
intelligent, information-based, and professional sorting systems. This shift accelerates the …

Coal washability analysis using X-ray tomographic images for different lithotypes

H Liu, S Rodrigues, F Shi, J Esterle, E Manlapig - Fuel, 2017 - Elsevier
Conventional coal washability analysis is achieved by conducting Float and Sink (FaS) test,
which is sampling dependent, destructive and uses environmentally hazardous chemicals …

Effect of natural crack distributions on coal failure process based on fluorescent epoxy impregnation method and phase-field FEM simulation

S Wang, J Shen, P Mu - Bulletin of Engineering Geology and the …, 2023 - Springer
Natural crack structures significantly affect coal damage, and are a critical problem in mining
engineering. In this paper, we introduced the fluorescent epoxy impregnation method (FEIM) …