Note: Greenvent – Revolutionizing Methane Management With Hybrid Energy Processing In Mine Ventilation,
2026
Technology Transfer and Promotion Centre in Katowice Sp. z o.o., Armii Krajowej, 44 40-698 Katowice, Poland
Note: Greenvent – Revolutionizing Methane Management With Hybrid Energy Processing In Mine Ventilation, Roman J. Jędrzejczyk, Damian K. Chlebda, Jacek Dańczak, Piotr Rosikowski, Monika A. Koperska, Robert E. Hayes, Joseph P. Mmbaga, Robert Hildebrandt, Joanna Profic-Paczkowska
Journal of Sustainable Mining
Methane plays a significant role in intensifying the greenhouse effect, possessing a global warming potential more than twenty times greater than that of CO2 when measured on a carbon-dioxide-equivalent basis. Hence, identifying efficient methods to mitigate methane emissions is crucial for safeguarding the environment, ensuring economic viability, and maintaining practicality. Globally, research initiatives are dedicated to crafting an effective catalyst system for methane oxidation, which involves developing catalysts, comprehending their characteristics, and determining the best way of bonding them to structural supports to enhance functionality. Notably, systems that incorporate metals from the non-noble d-block of the periodic table as …
Leveraging Blockchain Technology In Mining Supply Chain Management: Vietnam Coal Mining Case Study,
2026
Faculty of Information Technology, Hanoi University of Mining and Geology, Hanoi 100000, Vietnam
Leveraging Blockchain Technology In Mining Supply Chain Management: Vietnam Coal Mining Case Study, Thu Hang Nguyen, Nguyen Trung Tuan, Hong Anh Le
Journal of Sustainable Mining
The global economy heavily relies on the mining industry for essential resources such as coal, oil, gas, and metal ores. However, the intricate nature of mining operations poses significant challenges in supply chain management (SCM). This research investigates how blockchain technology can address these challenges within mining supply chain management (MSCM). Through a systematic review of existing research and projects, a conceptual blockchain model is proposed to improve mining supply chains’ transparency, traceability, efficiency, and sustainability, specifically focusing on coal supply chain management in Vietnam. The model integrates distributed ledgers, smart contracts, IoT devices, identity management, and consensus mechanisms to …
Research Progress And Prospects Of Full Flowsheet Coal-Based Ccus,
2026
School of Resources and Geosciences, China University of Mining and Technology, Xuzhou 221116, China; Key Laboratory of Coalbed Methane Resources & Reservoir Formation Process, Ministry of Education, China University of Mining and Technology, Xuzhou 221116, China; Jiangsu Key Laboratory of Coal-based Greenhouse Gas Control and Utilization, China University of Mining and Technology, Xuzhou 221008, China; Carbon Neutrality Institute, China University of Mining and Technology, Xuzhou 221116, China
Research Progress And Prospects Of Full Flowsheet Coal-Based Ccus, Sang Shuxun, Liu Shiqi, Zheng Sijian, Huang Fansheng, Liu Tong, Chen Siming, Zhou Xiaozhi, Han Sijie, Tian Yuchen, Xiang Wenxin, Bai Yansong
Coal Geology & Exploration
Background The engineering-oriented, full flowsheet coal-based carbon capture, utilization, and storage (CCUS) technology is the key to efficient, clean coal utilization and carbon emission reduction. It represents a major technology that is urgently needed to ensure the energy security of China and achieve the strategic goals of peak carbon dioxide emissions and carbon neutrality of the country. Based on previous research efforts of the authors’ team, this study reviews the current status of this technology, reveals its integration mechanisms, and attempts to establish a pattern and scheme for CCUS cluster deployment in coal energy bases. Furthermore, it discusses the future …
An Experimental Study On Nonlinear Seepage Characteristics In Coal Seams During Ch4 Displacement Through N2 And Co2 Flooding,
2026
Changqing Downhole Technology Operating Company, Chuanqing Drilling Engineering Company Limited, Xi’an 710021, China; National Engineering Laboratory for Exploration and Development of Low-Permeability Oil & Gas Field, Xi’an 710021, China
An Experimental Study On Nonlinear Seepage Characteristics In Coal Seams During Ch4 Displacement Through N2 And Co2 Flooding, Li Zefeng, Huang Mengru, Zhang Hongzhong, Lan Jianping, Song Jinsuo, Fan Shixing
Coal Geology & Exploration
Background Coal seams in China are generally characterized by low porosity (<5%) and low permeability (0.001×10–3μm2), leading to low coalbed methane (CBM, dominated by CH4) drainage efficiency. Gas flooding-enhanced CBM drainage technology plays a significant role in surface CBM drainage, underground CBM pre-drainage, and deep geologic CO2 storage. Methods This study investigated four common types of gases: N2 and CO2 for flooding, CH4 to be displaced, and He for blank control. Based on the physical properties of these gases and employing methods including the quasi-static method, the gas flow rate method, and the Reynolds …
Numerical Simulations Of The Safety Of Geologic Co2 Storage In Saline Aquifers In The Enping Sag, Pearl River Mouth Basin,
2026
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian 116024, China
Numerical Simulations Of The Safety Of Geologic Co2 Storage In Saline Aquifers In The Enping Sag, Pearl River Mouth Basin, Yu Tao, Li Xiwen, Yang Yunshi, Chen Bingbing, Ji Zemin, He Chang, Jiang Lanlan, Song Yongchen
Coal Geology & Exploration
Background Since the beginning of the Industrial Revolution, excessive CO2 emissions have aggravated the greenhouse effect. Against this backdrop, CO2 capture, utilization, and storage (CCUS) technology has emerged as a critical countermeasure. Particularly, geologic CO2 storage holds enormous application potential. China has implemented a demonstration project of geologic CO2 storage in saline aquifers located in the Enping Sag, Pearl River Mouth Basin. Nevertheless, this sag exhibits formation dip angles and widely distributed fracture zones, which affect CO2 migration and storage. Methods Focusing on the Enping Sag, this study established a two-dimensional model of the saline …
Table Of Contents,
2026
China Coal Technology and Engineering Group (CCTEG)
Numerical Simulations Of The Impacts Of Co2-Induced Calcite Dissolution On The Permeability And Elastic Parameters Of Rocks,
2026
Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China; Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun 130021, China
Numerical Simulations Of The Impacts Of Co2-Induced Calcite Dissolution On The Permeability And Elastic Parameters Of Rocks, Yang Bo, Xu Tianfu, Feng Guanhong, Zhu Huixing
Coal Geology & Exploration
Objective CO2 dissolution in water tends to induce mineral reactions, thus significantly changing the pore structure of rocks and further affecting their seepage and mechanical properties. This phenomenon poses a major impact on the suitability and long-term safety of geologic CO2 sequestration engineering. Methods Using a simulation technology that combines the lattice Boltzmann method (LBM) and the finite element method (FEM), this study systematically investigated the calcite dissolution characteristics of calcite-bearing rock samples under varying injection rates of a saturated solution of CO2. Furthermore, the dynamic evolution patterns of the permeability and elastic parameters (bulk and …
Advances In Research On Geochemistry Of Co2 Storage In Basalts: Microscopic Mechanisms And Reaction Pathways,
2026
UK-China (Guangdong) CCUS Centre, Guangzhou 510440, China
Advances In Research On Geochemistry Of Co2 Storage In Basalts: Microscopic Mechanisms And Reaction Pathways, Ma Shijia, Xia Changyou, Gao Zhihao, Rui Zhenhua, Liang Xi
Coal Geology & Exploration
Objective and Method The urgent need to reduce global greenhouse gas emissions has driven the development of CO2 mineral trapping in basalts. To gain further insights into the microscopic mechanisms and reaction pathways of the mineral trapping, this study systematically reviews the geochemical reaction mechanisms involved, with a particular focus on the differences in reaction pathways between supercritical and dissolved CO2 injection, the coupling between mineral dissolution and carbonate precipitation, and the key factors influencing these reactions. Advances In the case of supercritical CO2 injection, CO2 mineral trapping is achieved through multi-step coupling reactions in nanoscale …
Research And Application Of A Decision Support Platform For Geologic Co2 Storage Siting Based On A Global Case Database,
2026
Petroleum Exploration and Production Research Institute, SINOPEC, Beijing 100083, China
Research And Application Of A Decision Support Platform For Geologic Co2 Storage Siting Based On A Global Case Database, Zhou Yinbang, Wang Rui, Zhen Yan, Dai Quanqi, Cheng Chuanjie
Coal Geology & Exploration
Objective Under the strategic background of reaching the goals of peak CO2 emissions and carbon neutrality, there is an urgent need to address the core issue of geologic CO2 storage (GCS) siting in the advancement of large-scale GCS deployment. Establishing a decision support platform based on a global GCS case database can provide key data and historical experience references for GCS siting, reduce storage risks and costs, and accelerate industrial layout. Furthermore, the platform can offer a scientific basis for formulating related policies and conducting technological R&D.Methods This study proposed and developed a comprehensive evaluation system for …
Carbon Sequestration Technology: Challenges And Urgent Critical Scientific Issues,
2026
State Key Laboratory of Geomechanics and Geotechnical Engineering Safety, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China; University of Chinese Academy of Sciences, Beijing 100049, China
Carbon Sequestration Technology: Challenges And Urgent Critical Scientific Issues, Li Xiaochun, Liu Tianyu, Zhang Liwei, Zhou Hong, Liu Guizhen, Wang Yan, Gan Manguang, Li Qi
Coal Geology & Exploration
Objective Carbon sequestration technology represents a core approach to achieving carbon neutrality. However, its large-scale application remains constrained by multiple technical and scientific challenges. Methods Based on an analysis of existing carbon sequestration projects, this study identified four major challenges in carbon sequestration: (1) high uncertainty in the assessment of CO2 sequestration capacity; (2) low injectivity of low-permeability discontinuous reservoirs; (3) a limited understanding of long-term mechanical stability; and (4) significant difficulty in assessing the risks of CO2 leakage. Results To address these challenges, this study proposes the common issues currently faced by carbon sequestration technology, and, accordingly, …
Designation And Classification Of Co2 Storage Technologies,
2026
New Energy Technology Research Institute Co., Ltd., China Energy Investment Corporation Co., Ltd., Beijing 102209, China
Designation And Classification Of Co2 Storage Technologies, Ma Fubo, Yang Xuechao, Zhou Zhengwu, Liu Hongliang, Chang Jia, Yi Jiayao, Wang Yan
Coal Geology & Exploration
Objective and Method Currently, there remains a lack of criteria for technical certification, designation, and classification of carbon dioxide (CO2) storage technologies due to their cross-disciplinary nature and ambiguous scopes. To address this issue, this study proposes technical certification criteria and designation principles, as well as analyzes four types of common CO2 storage technologies: geologic storage, underground space storage, ocean water storage, and utilization and storage. Accordingly, a classification philosophy and scheme for these technologies is determined.Results and Conclusions In terms for technical certification criteria, a CO2 storage technology has to meet four criteria: (1) …
Multi-Scale Source-Sink Matching And Transportation Route Optimization For Geologic Co2 Sequestration Of Industrial Co2 Stationary Sources In Jiangsu Province,
2026
School of Resources and Geosciences, China University of Mining and Technology, Xuzhou 221116, China; Key Laboratory of Coalbed Methane Resources & Reservoir Formation Process, Ministry of Education, China University of Mining and Technology, Xuzhou 221116, China
Multi-Scale Source-Sink Matching And Transportation Route Optimization For Geologic Co2 Sequestration Of Industrial Co2 Stationary Sources In Jiangsu Province, Tian Yuchen, Liu Shiqi, Zhang Helong, Mo Hang, Wang Dexi, Sang Shuxun, Wang Jun, Wang Wenkai, Zheng Sijian
Coal Geology & Exploration
Objective CO2 stationary sources tend to show a dispersed distribution, while carbon sinks are concentrated in specific sedimentary basins. The resulting significant source-sink mismatch in space restricts the large-scale applications of carbon capture, utilization, and storage (CCUS) technology. Therefore, reducing CCUS costs by investigating source-sink matching and optimizing CO2 transportation routes under a multi-scale spatial framework is the key to the engineering applications of CCUS. Methods Targeting representative industrial CO2 stationary sources and carbon sinks in Jiangsu Province, this study established source-sink matching models on multiple scales covering hydrocarbon reservoirs, sags, and basins. Based on both the …
Reaction Mechanisms During Co2 Absorption In Ethanolamine Solutions,
2026
Xinjiang Oilfield Company, Karamay 834000, China
Reaction Mechanisms During Co2 Absorption In Ethanolamine Solutions, Teng Weiwei, Wu Yan, Fan Yuxin, Liao Tao, Wang Zicheng, Yu Hui, Li Meng, Xu Xiaoling
Coal Geology & Exploration
Objective Presently, CO2 capture technology based on the ethanolamine solutions suffers from drawbacks such as high energy consumption and elevated costs. A primary method to address these challenges is to construct blended amine solutions by synergistically integrating the absorption and desorption advantages of different types of ethanolamines. Hydroxyethyl ethylenediamine (AEEA) and N-methyldiethanolamine (MDEA) represent two major commonly used absorbents, and their blending necessitates an accurate understanding of their CO2 absorption patterns, including CO2 loading capacity, the ion-concentration distribution patterns of reaction products, and reaction orders. Currently, their absorption mechanisms remain poorly understood, and there is a lack …
Concept Of Cccus Technology For Co2 Recycling In Deep Unmineable Coal Seams,
2026
Key Laboratory of In-situ Property-improving for Mining of Ministry of Education, Taiyuan University of Technology, Taiyuan 030024, China; College of Mining Engineering, Taiyuan University of Technology, Taiyuan 030024, China; Taiyuan University of Science and Technology, Taiyuan, 030024, China
Concept Of Cccus Technology For Co2 Recycling In Deep Unmineable Coal Seams, Liang Weiguo, Yan Jiwei, Zhu Dijie, Guo Hongguang, Gong Li, Niu Dong
Coal Geology & Exploration
Background China possesses substantial resources of deep unmineable coal seams, which hold considerable potential for CO2 sequestration. However, simply sequestrating CO2 in deep coal seams incurs high economic costs while also wasting deep coal resources. The microbial conversion of sequestrated CO2 into methane (CH4) enables circular carbon capture, utilization, and storage (CCCUS), which is of great significance for the sustainable development of both resources and the environment.Methods Using a range of methods, including experimental study, theoretical analysis, and engineering simulations, CCCUS in deep unmineable coal seams is designed to (1) reveal the mechanisms behind …
An Improved Model Of Trans-Critical Ch4 And Co2 Adsorption In Coals Based On Monolayer Adsorption And Adsorption Potential Theories,
2026
State Key Laboratory of Digital Intelligent Technology for Unmanned Coal Mining, Anhui University of Science & Technology, Huainan 232001, China
An Improved Model Of Trans-Critical Ch4 And Co2 Adsorption In Coals Based On Monolayer Adsorption And Adsorption Potential Theories, Song Xuemei, Zhang Kun, Sang Shuxun, Ma Mengya, Liu Huihu, Xu Hongjie
Coal Geology & Exploration
Objective and Method Adsorbed phase density represents a key parameter for determining gas adsorption capacity in coals. Using bituminous coal samples from the Huainan and Huaibei mining areas in Anhui Province, this study carried out high-pressure isothermal adsorption experiments of CO2 and CH4 at temperatures of 24 ℃, 36 ℃, and 48 ℃. In combination with the quantitative characterization of pore structures in coals using low-temperature liquid nitrogen adsorption (LNA) experiments and mercury intrusion porosimetry (MIP), this study analyzed the high-pressure trans-critical CH4 and CO2 adsorption processes in coals. Meanwhile, based on the Gibbs excess adsorption, …
A Method Of Carbon Emission Accounting And Pathways Of Emission Reduction Through Reduction Through Ccus For Underground Coal Mines,
2026
Jiangsu Key Laboratory of Coal-based Greenhouse Gas Control and Utilization, Xuzhou 221116, China; Key Laboratory of Coalbed Methane Resources & Reservoir Formation Process, Ministry of Education, Xuzhou 221008, China; School of Resources and Geosciences, China University of Mining and Technology, Xuzhou 221116, China
A Method Of Carbon Emission Accounting And Pathways Of Emission Reduction Through Reduction Through Ccus For Underground Coal Mines, Xu Shen, Wang Meng, Dai Xuguang, Qiu Yuxin, Tuo Jialong, Li Wenhao, Gao Jie
Coal Geology & Exploration
Objective Coal production and utilization lead to substantial carbon emissions, and the carbon emissions from underground coal mines have attracted increasing attention. However, research on emission reduction pathways in coal mines remains nascent. Methods The Y Coal Mine was investigated in this study. Using methods including life cycle assessment (LCA), emission factor approach, and monitoring, this study identified the boundaries for carbon emission accounting and determined the sources, total amount, and characteristics of carbon emissions from the coal mine. Furthermore, a framework of carbon emission reduction through CCUS was established based on the principle of carbon capture, utilization, and storage …
Performance And Carbonation Mechanisms Of Multi-Source Solid Waste-Based Carbon-Sequestering Backfill Materials For Coal Mines,
2026
School of Energy Science and Engineering, Henan Polytechnic University, Jiaozuo 454003, China
Performance And Carbonation Mechanisms Of Multi-Source Solid Waste-Based Carbon-Sequestering Backfill Materials For Coal Mines, Guo Qingwen, Li Dongyin, Wang Shen, Liu Songhui, Li Quanjiang, Li Song
Coal Geology & Exploration
Objective The reutilization of solid waste such as coal gangue and steel slag is critical to green mining. Preparing solid waste-based carbon-sequestering backfill materials and then filling them into coal mine goaves emerge as an important approach to solid waste utilization, carbon emission reduction, and green coal mining.Methods Based on the designed mix proportions of a high-solid-waste system consisting of steel slag and coal gangue, in which steel slag was used to compensate for the insufficient carbonation reactivity of coal gangue, this study prepared solid waste-based backfill material samples composed of coal gangue, steel slag, and cement. Through mechanical …
Evolutionary Mechanisms Of Nanopores And Adsorption Capacity In Shales Under Scco2-Water-Rock Interactions,
2026
Key Laboratory of Coalbed Methane Resources & Reservoir Formation Process, Ministry of Education, China University of Mining and Technology, Xuzhou 221008, China; School of Resources and Geosciences, China University of Mining and Technology, Xuzhou 221116, China
Evolutionary Mechanisms Of Nanopores And Adsorption Capacity In Shales Under Scco2-Water-Rock Interactions, Feng Guangjun, Wang Meng, Zhu Yanming, Song Yu, Dai Xuguang, Zheng Sijian, Xie Hong, Shang Fuhua
Coal Geology & Exploration
Background Supercritical carbon dioxide (ScCO2 )-enhanced shale oil and gas recovery serves as an effective approach to geologic CO2 sequestration. Injecting ScCO2 into shale reservoirs can trigger complex ScCO2-water-rock interactions, thereby altering the material composition, nanopore structure, and adsorption capacity of shales. Examining their evolutionary processes represents a critical scientific issue in the evaluation of CO2 sequestration efficiency. Methods This study investigated the shales of the Longmaxi Formation in the southeastern Chongqing area. Through simulation experiments on ScCO2-water-rock interactions and by integrating X-ray diffraction (XRD), low-pressure CO2/N2 adsorption, fractal …
Huff-N-Puff Experiments Of Mixed Co2 And Formation Water For Enhanced Oil Recovery Of Shale Oil In The Subei Basin,
2026
State Key Laboratory of Shale Oil and Gas Enrichment Mechanisms and Efficient Development, Beijing 102206, China; Petroleum Exploration and Production Research Institute, SINOPEC, Beijing 102206, China
Huff-N-Puff Experiments Of Mixed Co2 And Formation Water For Enhanced Oil Recovery Of Shale Oil In The Subei Basin, Xiao Pufu, Zhang Jie, Yang Zhengmao, Wang Rui, Cui Maolei, Lei Mengmeng, Tian Yunfei, Zeng Jun, Liu Yuwei
Coal Geology & Exploration
Objective In the Subei Basin, the depletion-drive development of shale oil following reservoir volume fracturing faces challenges such as rapid production decline and low oil recovery. To address these issues, this study explored an experimental method of CO2 + formation water (also referred to as carbonated water) huff and puff for enhanced oil recovery (EOR) by combining the felsic, clayey, and organic-rich characteristics of shale oil reservoirs in the Subei Basin, along with CO2 high pressure quality exchange technology. Methods Through multiple physical simulation experiments in the laboratory, combined with nuclear magnetic resonance (NMR) experiment technology, this study …
Advances In Research On Co2 Corrosion Mechanisms, Modification, And Application Of Cements For Injection Wells In Geologic Co2 Sequestration,
2026
Shanghai Offshore Oil & Gas Company, SINOPEC, Shanghai 200120, China
Advances In Research On Co2 Corrosion Mechanisms, Modification, And Application Of Cements For Injection Wells In Geologic Co2 Sequestration, Hao Feng, Zhang Zongfeng, Wang Hongmin, Du Shuai, Huang Da, Yang Xuefeng, Wang Kexin, Zhang Yu
Coal Geology & Exploration
Background and Merhod The wellbore integrity of CO2 injection wells plays a critical role in maintaining the long-term safe operation of geologic CO2 sequestration (GCS) projects. Well cement serves as the foremost wellbore integrity barrier, and its durability under GCS has emerged as a hot research topic both at home and abroad. This study systematically reviews the advances in research on the chemical corrosion mechanism of well cement under the operating conditions of GCS, technologies for cement modification for enhanced resistance to CO2 corrosion, and non-Portland cement systems. Furthermore, the directions for the future development of well …
