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با ما تماس بگیریدThe process of mining activities often causes the formation of acid mine drainage (AMD). Through rock fractures and underground rivers, AMD can easily enter the groundwater environment near mines and cause serious pollution to water quality. In order to effectively evaluate the quality of polluted m …
Mining activities are bound to produce enormous mine water drainage. Mine water in China shows relatively poor water quality and high cost of water treatment and other problems. Firstly, the main characteristics of mine water quality in China's typical mine areas are clarified in this paper: conventional ions are the main chemical components …
11010502043614. This paper analyzes the general situation and basic characteristics of mineral resources in Jiangxi province, and the typical practices of promoting green and high-quality development of mining industry in the light of investigation and research.Government and departments attach great importance to the …
1. Introduction. To mitigate environmental pollution and control resource consumption in high-speed economic development and infrastructure construction, China pledged to a series of rigorous environmental regulatory actions and goals, where the mining enterprise (MEs) is part in point (Dong and Xu, 2016).MEs play an extremely …
In addition, the spatial distribution and utilization potential of coal mine water quality in China was determined based on water quality data surveys. For water-deficient regions in northern China, particularly in the northwest, the local mine water had high salinity, a high pH, and a low content of hazardous elements; therefore, the reuse of ...
The large size of nodes means high frequency, and the keywords with high frequency are China, mining, soil, community, heavy metal, impact, city/mining …
Andrew Forrest, Fortescue Metals' chairman. (Image by Fortescue, Twitter/X.) Australian mining magnate Andrew Forrest has called on China to demand …
The $1.5 trillion mining and metals sector supplies the feedstock for a large part of everyday life—from coal for power, to iron ore for steel girders, to the minerals and metals that are processed into the …
1. Dataigou Mine. The Dataigou Mine is a underground mine located in Liaoning. It is owned by Glory Harvest Group Holdings and produced an estimated 21.53 million tonnes of iron ore in 2022. Buy the profile here. 2. Yuanjiacun Project. Located in Shanxi, the Yuanjiacun Project is owned by Taiyuan Iron & Steel (Group).
Iron ore production in China has tumbled in the last six years, falling 40% in 2018 alone. From a peak of over 408 million tonnes in 2013, production dropped to 124 Mt in 2018. As iron ore prices have dropped and additional tonnes have entered the market from Australia, China's mines have become less competitive due to their lower-grade ore ...
The 25th China Mining Conference and Exhibition will be held both online and offline in Tianjin from Oct 26 to Oct 28, said its organizer China Mining Association on Tuesday. Themed "Innovation Promotes High-Quality Development of Mining," this conference features 22 forums with a focus on the discussions of mining safety, green …
Water quality: the class III water quality standard of standard for groundwater quality, China. The Sunan area is rich in coal, with total mining area covering 450 km 2. Studies have shown that coal mining activities transform groundwater from a reducing environment to an oxidizing environment, promote the oxidation process of …
With more than 1,500 mining operations, of which approximately three-quarters are located underground, the value of China's mineral production amounted to …
It is applied to quantitatively evaluate the quality of research outputs, research tendencies and implicit knowledge structures for comprehensive and in-depth understanding of extant ... in China, most mining cities were established under a planned economy. For instance, in the first China's national planning phase (1953–1957), 53 …
The environmental quality of a mining city has a direct impact on regional sustainable development and has become a key indicator for assessing the effectiveness of national environmental policies. However, against the backdrop of accelerated urbanization, increased demand for resource development, and the promotion of the concept of …
Mining can adversely affect the quantity and quality of groundwater and surface water in mining areas (Bebbington and Williams 2008; Vidic et al. 2013), threatening the sustainability of water resources (Yang et al. 2013) and the public health of local residents (Li et al. 2016; Wu and Sun 2016).Ecological degradation and health …
Faced with the challenges of increasing demand and expanding emissions, China's mining industry is at a crucial stage of sustainable development. In the context of the new technological revolution and industrial transformation, researching how the digital economy can promote the growth of green total factor productivity (GTFP) in China's …
The three-day event, themed "Innovation promotes the high-quality development of mining," aims to promote mutual understanding and cooperation in the global mining industry. (Xinhua/Sun Fanyue) People visit the 25th China Mining Conference and Exhibition at Tianjin Meijiang Convention Center in north China's …
The 2022 weighted-average Chinese gold all-in sustaining cost for 2022 is estimated to be $1,125 per ounce, down 2.81% year over year. In 2021, mining operations were suspended in Shandong province after an explosion at the Hushan gold mine Jan. 10, …
The evaluation scores of farmland natural quality, agricultural production conditions, location conditions, and farmland eco-environmental conditions were low in the undisturbed area of coal mining. The farmland quality within the boundary of the coal mine field (average 0.37) was much lower than that of non-mining farmland (average 0.55).
Now, mining companies such as TSX-listed Aclara Resources, opens new tab and Australia's Ionic Rare Earths, opens new tab are discussing plans that may loosen China's grip on the critical ...
The coal industry is a crucial component of China's energy sector. However, the persistent exploitation of coal resources has gravely impacted the ecological environment. While the Remote Sensing Ecology Index (RSEI) is predominantly used for assessing ecological quality, its primary focus has been urban or aquatic environments. …
The results show that 87% of China's coal is mined by underground methods, with an average production capacity of 0.93 Mt/a per mine. Open pit mining accounts for 13%, with an average mine ...
Mine water plays an essential role in securing mine production and domestic consumption in arid mining areas. This study was conducted to analyse the hydrogeochemical characteristics, determine the hydrochemical processes and assess the quality of mine water in the Tangjiahui mining area in Jungar Coalfield, Inner Mongolia, …
Africa has superior metallogenic geological conditions, rich in high–quality metallogenic belts. Africa also has excellent resource endowments, high distribution concentration, low development difficulty, and huge development potential. Mining plays an important role in the development of most African countries. In addition, Africa is also an important …
In order to study the water quality in the Tangjiahui mining area in Jungar Coalfield (Inner Mongolia, China), 34 groups of mine water samples collected at various stages during coal mining ...
Next, we present the effect of an accident on all-age mortality. Finally, we calculate the health costs of air pollution induced by coal mining in China. 5.1. The effects of coal mining on ambient air pollution. As discussed in Section 3.1, we identify the causal effect of coal mining on the ambient air quality based on a difference-in ...
Mine water with Mn contents exceeding 1 mg/L was mainly distributed in parts of Yunnan, Guizhou, Inner Mongolia, Shaanxi, and Shanxi (Fig. 5). The Mn content in Guizhou CMD ranged from below the ...
In accordance with the China Mineral Resources Report (2022) issued by the Ministry of Natural Resources, more than 1100 national-level green mines and 50 green mining development demonstration areas will be constructed by the end of 2021. In 2020, 301 mines were included in the National List of Green Mines [ 57 ].
Similarly, methane is a potent GHG as well, and mining process releases methane through coal mining, oil and gas extraction, and landfill operations. In mine scenario, CH 4 emissions contribute 72.4 % to greenhouse effect with quality proportion of merely 9.8 %. Coal mining is one of the major sources of fugitive methane emissions in …
China Mining Magazine, 26(8): 81-85. (in Chinese with English abstract) Google Scholar. GONG J, XIE YC, CAO E J, et al., 2019. Integration of InVEST-habitat quality model with landscape pattern indexes to assess mountain plant biodiversity change: A case study of Bailongjiang watershed in Gansu Province[J].
08/10/2022 15:58. The People's Republic of China is a large country rich in mineral resources, with a long history of funding national development through mining …
1 CCTEG Wuhan Engineering Company, Wuhan, China; 2 School of Marxism, China University of Geosciences, Wuhan, China; Coal is the dominant energy source in China, as it has an advantageous position in terms of resource distribution. Against the backdrop of China's high-quality economic development and the global …
2. Mining Groundwater Pollution. China has achieved rapid economic growth over 30 years, especially in the mining industry (both coal and metal mines) …
National Engineering Research Center of Coal Mine Water Hazard Controlling, China University of Mining and Technology, Beijing, Beijing, China. Contribution: Writing - review & editing. ... The water body environmental quality of mine water in four areas, Guiyang City, Qianxinan Prefecture, Bijie City, and Qiandongnan …
The evaluation results also show that mining geo-environmental quality tends to rank as level II in the study area, accounting for 75.86 % of the total eligible mines compared with 2.59 and 21.55 ...
China's dominance of strategic resources. Michel Penke. 04/13/2021. The European Union has identified 30 raw materials as critical for industry. Their supply is endangered by conflicts, a weak ...
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