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Life cycle assessment of underground coal mining in China
2022年1月20日· This study performs an indepth analysis of the environmental impacts of underground coal mining in China Some technical measures are proposed based on the LCA results to realise clean and efficient coal production and build a green and2018年3月27日· Large scale underground mining of coal resources in China using longwall mining has resulted in ecological and environment problems, including surfaceConcurrent mining and reclamation for underground coal
Underground space utilization of coalmines in China: A
2021年1月1日· Underground water reservoirs in operational and abandoned mines are prospected Keywords Underground water reservoir Storage capacity Coal pillar dam2022年6月1日· Underground coal mining Mineral resources planning Mine reclamation Sustainable land use 1 Introduction Territory spatial planning is the spatial andOptimal layout of underground coal mining with ground
Underground Disposal of Coal Gangue Backfill in China
2022年11月25日· China’s total coal production in 2021 exceeded 413 billion tons, 52% of the world’s total Coal gangue, a solid waste of coal mining accounts for 15–20% of coal production, when directly2023年2月23日· The results show that 87% of China's coal is mined by underground methods, with an average production capacity of 093 Mt/a per mine Open pit mining accounts for 13%, with an average mine(PDF) Development status of coal mining in China
Life cycle assessment of underground coal mining in China
2022年1月20日· Abstract Coal is not only the main fossil fuel in China but also a pollution source To evaluate the impact of coal production on the environment, a life cycle2021年9月1日· Coal is not only the main fossil fuel in China but also a pollution source To evaluate the impact of coal production on the environment, a life cycle assessmentLife cycle assessment of underground coal mining in China
Underground space utilization of coalmines in China: A review of
2021年1月1日· The main underground space for UWRs in China is the caving zone formed by longwall mining Compared with previous UWRs that utilized the tunnel as the2022年1月20日· Coal is not only the main fossil fuel in China but also a pollution source To evaluate the impact of coal production on the environment, a life cycle assessment (LCA) was conducted on the mining process of a typical coal mine in China by using the SimaPro 900 software The Ecoinvent v3 database was used to provide the background data,Life cycle assessment of underground coal mining in China
Research and practice of intelligent coal mine technology systems in China
2022年4月15日· This study considered the role of coal as China’s basic energy source and examines the development of the coal industry We focused on the intelligent development of coal mines, and introduced the “Chinese mode” of intelligent mining in underground coal mines, which uses complete sets of technical equipment to propose classificationIn 2020, China’s coal production reached 384 billion tons, accounting for 51% of the global output As the largest coal producer and consumer for 30 consecutive years, coal mining plays an irreplaceable role in China’sEffects of Underground Coal Mining on Soil Spatial
Underground Disposal of Coal Gangue Backfill in China MDPI
2022年11月25日· China’s total coal production in 2021 exceeded 413 billion tons, 52% of the world’s total Coal gangue, a solid waste of coal mining accounts for 15–20% of coal production, when directly discharged on the ground surface as waste heaps, it occupies large areas of land and cause environmental pollution This paper summarizes the2022年12月30日· In order to scientifically evaluate the disturbance level of geological environment caused by coal mining in northwest China, and to formulate the corresponding restoration plan of the broken ecological environment, an underground coalmine in the Xinjiang province, the most northwestern province in China, was selected as theStudy on the Geological Environmental Disturbance and Springer
Coal mining
Britain developed the main techniques of underground coal mining from the late 18th century onward, An estimated 5 million people work in China's coalmining industry As many as 20,000 miners die in accidents each year Most Chinese mines are deep underground and do not produce the surface disruption typical of strip mines2017年8月11日· China produces and consumes most of coal in the world This situation is expected to continue within a certain period in the future Currently, Chinese coal industry is confronted with several serious problems relating to land resource, water resource, environmental, and ecological sustainability Coal resource exploitation causes theGreen and Sustainable Mining: Underground Coal Mine Fully
Waterbird Communities in Subsidence Wetlands Created by Underground
Underground Coal Mining in China: Effects of MultiScale Environmental and Anthropogenic Variables Environmental Conservation page 1 of 9 doi: 101017/S年9月1日· Coal is not only the main fossil fuel in China but also a pollution source To evaluate the impact of coal production on the environment, a life cycle assessment (LCA) was conducted on the miningLife cycle assessment of underground coal mining in China
Development overview of paste backfill technology in China’s coal
2021年10月12日· After years of development, paste backfill technology has become an important part of China’s green safety mine construction and coal green mining technology system in the new era In this paper, the research status of paste backfill technology in China’s coal mines is expounded from the aspects of paste backfill materials, strata2023年2月23日· The results show that 87% of China's coal is mined by underground methods, with an average production capacity of 093 Mt/a per mine Open pit mining accounts for 13%, with an average mine(PDF) Development status of coal mining in China
OnSite Measurement on Surface Disturbance Law of Repeated Mining
2022年3月8日· Underground coal mining in high relief terrain often causes problems such as ground collapse and mountain sliding This produces disasters such as mountain collapse and landslides, which seriously endangers the ecological environment and human settlements in the coal mining area and causes a series of public security events To2011年6月1日· According to official statistics, the subsiding areas induced by coal mining annually currently amount to about 40,000 hm 2 in China, the surface subsidence area with coal mininginduced hasBackfilling Technology of Substituting Waste and Fly Ash for Coal
Analysis on the Development Status of Coal Mine Dust Disaster
2021年2月19日· Introduction Coal is China’s main energy source, accounting for more than 60% of the primary energy The status of this subject energy will be difficult to change for a long time in the future More than 90% of coal production in China comes from underground mining Roadways are a necessary passage for coal mines2022年5月6日· With the development of technology, the concepts of “green” and “sustainable” have gradually been popularized in all walks of life With the continuous development of the world mining industry, the efficiency of resource development in various countries has been improved, but mining activities and production will undoubtedly bringIJERPH | Free FullText | The Recent Progress China Has Made in
How to Account for Changes in Carbon Storage from Coal Mining
2022年4月22日· Carbon sequestration in terrestrial ecosystems plays an essential role in coping with global climate change and achieving regional carbon neutrality In mining areas with high groundwater levels in eastern China, underground coal mining has caused severe damage to surface ecology It is of practical significance to evaluate and predictSeptember 6, 2021 Here are the ten largest surface and underground mining projects by production in AsiaPacific in 2020, according to GlobalData’s mining database 1 Northern Shaanxi Mine The Northern Shaanxi Mine is a coal mining project in Shaanxi, China The greenfield project is owned by Shaanxi Coal and Chemical Industry GroupMining Technology Ten biggest producing surface and underground mines
Combustion mechanism and control approaches of underground coal
2023年4月18日· According to the statistics of literature related to underground coal fires in China National Knowledge Infrastructure (CNKI) database, the hot research topics in the field of coal fires in China mainly include: coal fire detection technology, combustion mechanism, monitoring and early warning technology, fire prevention and extinguishing2022年10月8日· Coal mining is one of China's most prevalent mining industries, producing nearly half of the world's entire supply There are proven reserves all over the country, including large deposits of topquality coking coal in the western and northern regions However, other nonmetallic minerals, such as natural gas minerals, aren't as2023 Industry Outlook: Mining in China | An Underground Miner
Study of WaterControlled and Environmentally Friendly Coal Mining
2022年5月14日· Xu et al (2020a, b) proposed a watersaving mining method to better protect the ecological environment during largescale underground coal mining in northwest China Finally, the importance of reconstructing the waterresisting layer and determining the critical mining water level to ensure safe mining was demonstrated by a