Results 21 to 30 of about 6,443,450 (298)

Geochemical Occurrence of Rare Earth Elements in Mining Waste and Mine Water: A Review

Minerals, 2021
Μining waste, processing by-products and mine water discharges pose a serious threat to the environment as in many cases they contain high concentrations of toxic substances. However, they may also be valuable resources.
K. Pyrgaki, Vasiliki Gemeni, C. Karkalis, N. Koukouzas, P. Koutsovitis, Petros Petrounias   +5 more
semanticscholar   +1 more source

Mechanism of Instantaneous High-Strength Sand–Water Inrush in Steeply Inclined Mining of Soft Coal Seam under Disturbed Rock–Soil Overburden [PDF]

Lithosphere
Water and sand inrush pose significant threats to underground geotechnical engineering, including shallow buried resource extraction and tunnel construction.
Yifan Zeng, Donghui Yang, Qiang Wu, Yashuai Cui, Zeyang Liu   +4 more
doaj   +1 more source

Heat Recovery Potential and Hydrochemistry of Mine Water Discharges From Scotland’s Coalfields

Earth Science, Systems and Society, 2022
Prospective and operational mine water geothermal projects worldwide have faced challenges created by mine water chemistry (e.g., iron scaling, corrosion) and high expenditure costs (e.g., drilling or pumping costs) among others.
D. B. Walls, D. Banks, T. Peshkur, A. Boyce, N. Burnside   +4 more
semanticscholar   +1 more source

Drilling into mines for heat: geological synthesis of the UK Geoenergy Observatory in Glasgow and implications for mine water heat resources

Quarterly journal of engineering geology and hydrogeology, 2021
Thermal energy from groundwater in abandoned, flooded, coal mines has the potential to make a significant contribution to decarbonization of heat and net-zero carbon emissions.
A. Monaghan, V. Starcher, Hugh F. Barron, K. Shorter, K. Walker-Verkuil, J. Elsome, T. Kearsey, S. Arkley, S. Hannis, E. Callaghan   +9 more
semanticscholar   +1 more source

Analysis of influence factors on rock quality designation and core recovery percentage

矿业科学学报, 2017
Rock quality designation(RQD) and core recovery percentage are indispensable parameters in water bursting evaluation.However, in the past works, the borehole data were often recorded in accordance with drilling records,but the study of its regularity was
Li Zhe, Wang Yang, Liu Shouqiang, Zeng Yifan, Niu Pengkun, Gong Houjian   +5 more
doaj   +1 more source

Selective adsorption of U(VI) from real mine water using an NH2-functionalized silica packed column

, 2021
The adsorption of U(VI) from natural mine water (i.e. containing Na+, K+, Ca2+, Mg2+ as major cations, and Cl−, SO42− and HCO3− as major anions) was investigated in dynamic mode using packed column containing high-capacity sorbents modified by NH2 ...
Jérémie Huynh, Ruben Palacio, Audrey Allavena, H. Gallard, M. Descostes, A. Mamede, S. Royer, E. Tertre, I. Batonneau-Gener   +8 more
semanticscholar   +1 more source

Insight into the water–rock interaction process and purification mechanism of mine water in underground reservoir of Daliuta coal mine in China

Environmental science and pollution research international, 2021
The water quality of mine water is obviously improved after being stored in underground reservoir, but the process of water–rock interaction and the purification mechanism of mine water quality are not clear.
Binbin Jiang, Ju Gao, Kun Du, Xuliang Deng, Kai Zhang   +4 more
semanticscholar   +1 more source

Derivative mine dynamic water inrush mode of skylight leakage and its evaluation and control technology system

Meitan xuebao, 2023
The central and western coal resources have the highest degree of enrichment and superior development conditions in China. With the improvement of mining efficiency, the disturbance of high-intensity and large-mining-height mining mode to groundwater ...
Yifan ZENG, Shihao MENG, Qiang WU, Zhenzhong PANG, Kai PANG, Guoqing YANG, Aoshuang MEI, Qiang LI, Sitong WANG   +8 more
doaj   +1 more source

The Role of Macrophytes in Constructed Surface-flow Wetlands for Mine Water Treatment: A Review

Mine Water and the Environment, 2021
Constructed wetlands are a standard sustainable technology in waste and mine water treatment. Whereas macrophytes actively contribute to decomposition and/or removal of wastewater’s organic pollutants, removal of hydrolysable metals from mine water is ...
J. Opitz, Matthias Alte, M. Bauer, S. Peiffer   +3 more
semanticscholar   +1 more source

Application of machine learning algorithms for nonlinear system forecasting through analytics — A case study with mining influenced water data

Water Resources and Industry, 2023
Various techniques have been researched and introduced in water treatment plants to optimise treatment and management processes. This paper presents a solution that can help treatment plants to work more effectively and reach their mine water management ...
Kagiso Samuel More, Christian Wolkersdorfer   +1 more
doaj   +1 more source