Transparency on greenhouse gas emissions from mining to enable climate change mitigation

M Azadi, SA Northey, SH Ali, M Edraki - Nature Geoscience, 2020 - nature.com
The climate change impacts of mining are often not fully accounted for, although the
environmental impact of mineral extraction more generally is widely studied. Copper mining …

Estimation of the cavity volume in the gasification zone for underground coal gasification under different oxygen flow conditions

F Su, X He, M Dai, J Yang, A Hamanaka, Y Yu, W Li… - Energy, 2023 - Elsevier
In this study, the impact of oxygen flow rate on the cavity of the gasification zone was
analyzed through two experiments using a coaxial hole model. The oxygen flow rate was …

Experimental studies of the effect of design and technological solutions on the intensification of an underground coal gasification process

O Bazaluk, V Lozynskyi, V Falshtynskyi, P Saik… - Energies, 2021 - mdpi.com
This paper represents the results of experimental studies of physical modeling of the
underground coal gasification process in terms of implementation of design and …

煤炭地下气化井工程关键技术新进展.

袁光杰, 李晓璇, 刘奕杉, 张谧 - Natural Gas Industry, 2024 - search.ebscohost.com
开展煤炭地下气化关键技术研究对于推动煤炭行业的可持续发展以及国家“双碳”
目标的实现具有重要意义, 井工程作为其核心部分正面临一系列关键技术挑战. 为此 …

煤炭地下气化地质可行性和工艺适用性研究现状与进展

蒋秀明, 吴财芳 - 煤田地质与勘探, 2022 - mtdzykt.com
煤炭地下气化技术(UCG) 是一种潜在的煤炭利用新方法, 对于缓解我国能源危机,
保障国家能源安全, 实现碳达峰碳中和的“双碳” 目标具有重大意义, 其探索研究一直受到世界 …

[HTML][HTML] Thermo-hydro-mechanical (THM) coupled simulation of the land subsidence due to aquifer thermal energy storage (ATES) system in soft soils

Y Wang, F Zhang, F Liu - Journal of Rock Mechanics and Geotechnical …, 2024 - Elsevier
Aquifer thermal energy storage (ATES) system has received attention for heating or cooling
buildings. However, it is well known that land subsidence becomes a major environmental …

[HTML][HTML] A thermo-mechanical simulation for the stability analysis of a horizontal wellbore in underground coal gasification

M Shahbazi, M Najafi, MF Marji, R Rafiee - Petroleum, 2024 - Elsevier
The stability analysis of horizontal wells is essential for a successful underground coal
gasification (UCG) operation. In this paper, a new 3D coupled thermo-mechanical numerical …

Mechanical properties and acoustic emission characteristics of deep hard coal after segmented high-temperature treatment

C Wang, X Li, L Cheng, D Jiang, Z Xiong, B Lei… - Scientific reports, 2023 - nature.com
Based on engineering background that local heating of coal seam is uneven due to
underground coal gasification, coal-bed gas exploitation via heat injection, spontaneous …

Significant improvement in CH4/N2 selectivity achieved through ammonium exchange in mordenite

M Wei, X Tang, Y Wang, X Bai, X Wang, X Wang… - Separation and …, 2024 - Elsevier
Abstract Adsorption-based CH 4/N 2 separation processes are promising and attractive, but
remain a challenging task due to the lack of effective adsorbents. In this study, we present a …

Mechanical and heterogeneous properties of coal and rock quantified and mapped at the microscale

C Sun, G Li, S Zhang, J Xu, H Yang - Applied Sciences, 2020 - mdpi.com
Due to the impossibility of obtaining intact standard experimental samples, it is difficult to test
the mechanical properties of soft and broken coal and rock obtained from deep coal mines …