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Article
Energy & Fuels
Tomasz Urych et al.
Summary: This study constructed dynamic simulation models to investigate the injection of CO2 into saline aquifers in the Choszczno-Suliszewo structure in northwest Poland. The study analyzed two scenarios with different injection rates and observed changes in pressures and the spatial distribution of CO2 in the structure. The results showed that the sequestration process was highly effective due to the dissolution of CO2 in brine and resulting convection motion. Additionally, the displacement of injected CO2 to the sealing layers was observed.
FRONTIERS IN ENERGY RESEARCH
(2022)
Article
Energy & Fuels
Marcin Maksymowicz et al.
Summary: The article presents the impact of lignite mining on the environment and compares the environmental aspects of HBM method and conventional opencast method through a life cycle assessment. The authors also identify opportunities to minimize the environmental impact of lignite production by implementing the HBM method.
Article
Geochemistry & Geophysics
Xuming Zhou et al.
Summary: This paper conducts a detailed analysis and simulation study on the problem of floor heave in mine roadways of Longhu coal mine. A mechanical model and a supported roadway model are established, three support optimization schemes are proposed, and the best scheme is determined, providing important reference and guidance for solving the problem of floor heave in mine roadways.
Article
Energy & Fuels
Sheng Wang et al.
Summary: This study focuses on the control and support stability of the surrounding rock in ultra-large height mining faces during coal seam mining. The research analyzes the roof movement and deformation as well as the working resistance of the mining face. It also examines the stability of the supports and provides guidance on support selection and measures to enhance stability. Monitoring results from a coal mine show that the selected supports meet stability requirements but may require adjustments during the moving process.
Article
Engineering, Chemical
Artur Wodolazski et al.
Summary: This research investigates the modelling and simulation of biomass anaerobic dark fermentation in bio-hydrogen production in a continuous plug flow reactor. The study examines the effects of various factors, such as hydraulic retention time, pH, and feed rate, on the bio-hydrogen yield and production rates. The research also highlights the importance of metabolite proportions in influencing the efficiency of bio-hydrogen production.
Article
Geochemistry & Geophysics
Xuming Zhou et al.
Summary: The paper investigates the floor heave issue in the third section winch roadway of Qitaihe Longhu coal mine and proposes an optimized support scheme through mechanical modeling and FLAC3D simulation. The best scheme reduces floor heave by 81% and meets the deformation requirements, providing guidance for roadway support optimization.
Article
Energy & Fuels
Adam Duda et al.
Summary: Coking coal has been included in the list of critical raw materials in Europe since 2014 due to its economic importance and high supply risk. Despite narrowly missing the threshold of economic importance in 2017, it remains on the list as the steel industry still requires it. There are no significant alternatives for coking coal in the energy intensive industry, leading the European Union to be dependent on imports. Therefore, any coking coal mining project in Europe is considered important as an alternative solution to the supply issues.
Article
Chemistry, Physical
Artur Wodolazski et al.
Summary: This study developed full transient, three-dimensional numerical models of a PV-TEG hybrid module with a single-phase inverter through co-simulation, examining the impact of various factors on the system. Analysis of the heat transfer surface area and forced air circulation showed a positive effect on total heat transfer, contributing to maintaining higher electrical efficiency.
Article
Energy & Fuels
Gregorio Fidalgo Valverde et al.
Summary: The study highlights the importance of considering environmental risks such as changes in water flow scheme, surface instability, mine gas emission, and water and soil pollution when planning for the closure of an underground coal mine. Assessing groundwater risk, evaluating risk mitigation strategies, and estimating financial provisions for groundwater risk mitigation during mine closure contexts are crucial for sustainable land reuse and natural resource preservation.
Article
Materials Science, Multidisciplinary
Xuelong Li et al.
Summary: This study investigated the stress distribution characteristics of different coal mines in Linyi Mining Area, revealing the relationship between principal stresses and their variation with depth. Additionally, the research explored the impact of mine in situ stress on mine geological structure, stope stability, and floor water inrushing caused by original rock stress. The findings are believed to be beneficial for mine disaster prevention and safety production.
ADVANCES IN MATERIALS SCIENCE AND ENGINEERING
(2021)
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Energy & Fuels
Jaroslaw Checko et al.
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Energy & Fuels
Adam Duda et al.
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Energy & Fuels
Shumin Liu et al.
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
(2020)
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Energy & Fuels
Jiwei Wen et al.
Article
Mining & Mineral Processing
Tomasz Janoszeki et al.
ARCHIVES OF MINING SCIENCES
(2017)
Proceedings Paper
Engineering, Petroleum
I. B. Bondarchuk et al.
SCIENTIFIC AND TECHNICAL CHALLENGES IN THE WELL DRILLING PROGRESS
(2015)
