Results 31 to 40 of about 507,235 (176)

An assessment of the quantum for financial provision of mine closures: a Monte Carlo approach. [PDF]

open access: yes, 2012
Includes abstract.Includes bibliographical references.Poor mine closure policy threatens both society and the environment. Some of the more prominent threats that have manifested are acid mine drainage, slimes dams and toxic dust from dumps.
Hewitson, Shaun B
core   +1 more source

Risk Assessment of Coal Roof Water Inrush Based on Water-rich Index

open access: yesMeikuang Anquan, 2020
This paper is aimed at the evaluation of the risk of water gushing in the middle and lower Jurassic aquifers in the coal roof of Tarangaole Coal Mine, the weight values of the water-rich influencing factors such as aquifer thickness, collecting rate of ...
HUANG Huan, ZHU Hongjun
doaj   +1 more source

Electrocoagulation for nickel, chromium, and iron removal from mine water using aluminum electrodes. [PDF]

open access: yesHeliyon
High global demand for nickel metal has contributed significantly to the growth of the nickel mining industry in Indonesia. This growth has a positive multiplier effect on the economy, with the potential to affect aquatic life and humans owing to the ...
Harahap MG   +4 more
europepmc   +2 more sources

Incorporating judgment and decisionmaking into quarterly mine escape training based on a mine fire scenario [PDF]

open access: yes
"The major coal mine disasters of 2006 raised a number of issues about mine emergency preparedness and response. These included concerns about miners' judgment and decisionmaking skills under the stress of a mine escape and miners' familiarity with ...

core   +1 more source

Optimal control of mine multi-level relay drainage system

open access: yesGong-kuang zidonghua, 2020
The electricity consumption of mine multi-level relay drainage system is very large, in order to improve economy of drainage system operation, it is necessary to optimize drainage system control, but current optimal control methods of mine multi-level ...
HAN Xiuqi
doaj   +1 more source

Construction and application of a TCN-LSTM-SVM-based time series prediction model for water inflow in coal seam roofs

open access: yesMeitian dizhi yu kantan
BackgroundThe accurate prediction of mine water inflow plays a significant role in the prevention and control of water hazards and the safe and efficient production in coal mines.
Xuan LIU   +8 more
doaj   +1 more source

Analysis of the prediction and evolution process of waterfilling in closed coal mine goaf

open access: yesMeitan xuebao
After coal mine closure, the groundwater level recovers, while the water accumulation process in goaf areas has rarely been studied. Taking Xuzhou Sanhejian closed coal mine as an example. Based on mine closure reports and borehole data, combined with 3D
Yanqing DING   +4 more
doaj   +1 more source

Influential factors and control of water inrush in a coal seam as the main aquifer

open access: yesInternational Journal of Mining Science and Technology, 2018
In this paper, a combination of field measurement, theoretical analysis and numerical simulation were used to study the main control factors of coal mine water inrush in a main aquifer coal seam and its control scheme.
Rui Gao   +4 more
doaj   +1 more source

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

open access: yesMeitan 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   +8 more
doaj   +1 more source

Chemical characteristics and health risk assessment of mine water in underground reservoir group of Shendong Mining Area

open access: yesMeitan kexue jishu
The Shendong Mining Area is endowed with abundant coal resources yet faces severe water scarcity. The successful application of underground reservoir technology has preserved a significant amount of mine water resources in the region.
Haiqin ZHANG   +7 more
doaj   +1 more source

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