Revisiting platinum group elements of Late Permian
2008.8.5 Dai et al. (2003) reported PGE background values (ng/g) in Chinese coals Ru (5), Rh (14), Ir (1), Pd (150) and Pt (30) which are much higher than the PGE
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Clean coal geology in China: Research advance and its
2020.7.24 cleaning potential evaluation, geological guarantee for coal mining, ash yields and sulfur contents, trace elements, pollution caused by coal, and mine
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Full article: Coal geology in China: an overview - Taylor
2017.11.22 Coal combustion is one of the important contributors to smog, which is considered to be a major environmental and human health problem for China and other
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Coal Geology Exploration
2023.6.14 mand in the coal mining areas in China, it is pointed out that the future CBM research in coal mining area should focus on the following three aspects: the
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Coal geology in China: an overview - Taylor Francis
2023.8.22 KEYWORDS Coal; China; editorial; coal geology China has abundant coal resources, and currently is and will continue to be the largest coal producer for the
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Special issue on coal geology in China - Springer
2020.7.24 There are eight major coal-accumulating periods during geological history in China, including the Early Carboniferous, Late Carboniferous-Early Permian, Late
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Enrichment of critical elements (Li-Ga-Nb-Ta-REE-Y) in the
2023.1.1 Elevated concentrations of critical elements in a number of late Permian coals and host rocks in southwestern China are due to their particular geological
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Current Status of the Research on Coal Geology in China
2016.8.26 From the meaning of the coalfield geology, this paper introduces the research progress and status of coalfield geology, including the research on coal basin,
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(PDF) Coal geology in China: an overview
PDF On Nov 22, 2017, Shifeng Dai and others published Coal geology in China: an overview Find, read and cite all the research you need on ResearchGate.
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Research progress in coal and gas co-mining
2020.5.25 Fluidized mining technology for deep coal resources has subverted the traditional coal mining concepts and technology system, and represents a great revolution in deep solid mineral resources mining
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First insights into mineralogy, geochemistry, and
2022.9.1 This paper represents the first integrated research on the mineralogical, geochemical and stable isotope characteristics of the Upper Triassic high‑sulfur coals from the Khanh Hoa open-pit mine, Thai Nguyen Coalfield, NE Vietnam. Formed in a marine-influenced carbonate succession, the Khanh Hoa coal is characterized by medium ash
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Research and practice of intelligent coal mine technology systems in China
2022.4.15 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 classification and
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(PDF) Coal geology in China: an overview
2017.11.22 China, the greatest developing country in the world, is both the world's largest producer and user of coal, consuming almost the same amount as the world as a whole (Lin and Liu, 2010; Dai and ...
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Revisiting platinum group elements of Late Permian
2008.8.5 Because of the large amount of coal reserves in China, it may be the biggest source of Pt and Pd in the world if the PGE contents in coals are as high as the previous reported values. ... Pt and Re in kimberlite and other geological materials using HR-ICP-MS. Journal of Analytical Atomic Spectrometry, 18 (2003), pp. 302-309. View in
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Origin of minerals and elements in the Late Permian coals,
2014.1.1 Section snippets Geological setting. The Xinde Coal Mine is located about 40 km to the northeast of Xuanwei City (Fig. 1).The distance between the Xinde Mine and the Hutou village or the Changzheng Coal mine (the epicenter of the lung cancer epidemic in Xuanwei; Dai et al., 2008b, Tian et al., 2008) is around 30 km.. The Kangdian Upland is
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China National Administration of Coal Geology (CNACG)
2019.4.23 China National Administration of Coal Geology (CNACG), established in 1953, is the largest and most powerful multi-specialty comprehensive geological exploration enterprise engaged in the most diverse range of business in China, and it is also responsible for industry administration for coal and chemical resources prospecting.
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Development of coal geological information technologies in China
2020.7.6 For both China and foreign countries, the construction of intelligent mines has become the inevitable development trend in the coal industry. In the construction and daily production of mines, high-precision transparent dynamic geological models, tunnel models, and hidden disaster models come to the forefront and determine the success or
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Critical tectonic events and their geological controls on
2023.3.7 Analyses of geological and hydrodynamic controls on methane emissions experienced in a Lower Kittanning coal mine. Int J Coal Geol, 98: 110–127. ... Changzhi, 046000, China. Shan He. China Coal Geology Group Co., Ltd, Beijing, 100083, China. Shuai Zheng. Research Institute of Petroleum Exploration and Development-Northwest,
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Minerals Special Issue : Green Mining of Coal Mine in China
2021.11.6 More than 20 years of studies on green mining in China have witnessed theoretical and technological progress in water-protective mining, co-extraction of coal and gas, surface subsidence mitigation, mine waste reducing and recycling, mine dust control, etc. In this context, this Special Issue welcomes review articles, research articles, and ...
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The Thin Coal Seam (TCS) Mining Technology for Open Pit Mines in China ...
2018.5.22 Coal seam that is thinner than a certain value is defined as thin coal seams (TCS). It commonly occurs in China as it covers 84.2% of the mining area. This situation is even severe in China’s large surface coal mines, in which TCS accounts for 10–50% of the total reserve. Most TCS cannot be feasibly mined due to the working conditions of
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Discussion on the Main Control Effect of
2022.12.28 The geological structure of coal mines in China is complex, and coal and gas outbursts are serious disasters. Owing to the differences in geological structures in different regions, mining areas,
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Geochemical and petrographic analysis of graphitized
2018.7.1 A series of Carboniferous coals located in the Hanpo'ao mining area, Hunan Province, China, were graphitized to varying degrees by a granitic pluton during the Indosinian period (~ 202–208 Ma). Approaching the intrusion, mean random reflectance increases from 4.36% to 8.23%, but then decreases to 4.58% in the most graphitized
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Coal Geology Exploration
2023.6.29 Coal Geology Exploration Volume 49 Issue 2 Article 19 4-25-2021 Characteristics of shale gas reservoir in Upper Paleozoic coal measures in Yangquan Block, Qinshui Basin LI Yangyang State Key Laboratory of Coal Resources and Safe Mining, China
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Minerals Free Full-Text Petrological Composition of the Last Coal ...
2021.11.5 The petrological composition of the last coal seam is critical to understanding the sources of minerals in coal and the geological processes to which coal has been subjected. ... Wang, J. Mineralogy and geochemistry of the coals from the Chongqing and Southeast Hubei coal mining districts, South China. Int. J. Coal Geol.
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International Journal of Coal Geology - ScienceDirect
The International Journal of Coal Geology deals with fundamental and applied aspects of the geology, petrology, geochemistry and mineralogy of coal, oil/gas source rocks, and shales. The journal aims to advance the environmentally sustainable exploration and utilization of these resources, as well as advancement of engineering and technology for effective
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(PDF) Potential Analysis and Technical Conception of
2022.3.1 Beijing: China National Administration of Coal Geology, 2021. ... The study results show that the larger the interval between the gas reservoir and the mining coal seam, the smaller the degree of ...
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Thermal Evolution, Hydrocarbon Generation, and Heat
As an important energy base in central China, the Pingdingshan coalfield has abundant coal and geothermal resources. The cooperative exploration of coal and geothermal resources is significant for the comprehensive utilization of energy resources. This work collected coal-bearing samples from the Pingdingshan coalfield to investigate the tectono-thermal
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Full article: In-situ stress field inversion and its impact on mining ...
2022.12.28 Abstract. The magnitude and direction of the in-situ stress field significantly influence the Geodynamic disaster. Taking the Gaojiapu Coal Mine in the northwest Binchang mining area as the study area, the distribution law of the in-situ stress field and its relationship with microseismic events were analyzed and discussed through
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Evaluation of surface water quality after mine closure in the coal ...
2020.9.15 Lattuada RM, Menezes CTB, Pavei PT, Peralba MCR, Dos Santos JHZ (2009) Determination of metals by total reflection X-ray fluorescence and evaluation of toxicity of a river impacted by coal mining in the south of Brazil. ... We acknowledge the support of the Guizhou Bureau of Coal Geological Exploration, China (GZKHZB2018
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Clean coal geology in China: Research advance and its
2020.7.24 The research content of CCG is discussed from different aspects, such as cleaning potential evaluation, geological guarantee for coal mining, ash yields and sulfur contents, trace elements, pollution caused by coal, and mine reclamation. The progress of CCG in China is also briefly divided into four stages and delineated.
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Mineralogical compositions of Late Permian coals from
2016.10.1 Section snippets Geological setting. The Yueliangtian coal mine is located in Panjiang Town, Panxian, Guizhou Province (Fig. 1). The major coal-bearing strata in the mine are the Upper Permian Longtan Formation, with an average thickness of 234.66 m.The Longtan Formation in the Yueliangtian mine mainly comprises fine sandstone, siltstone,
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Overview on the application of geophysics in coal mining
2013.7.30 Since their introduction to the coal mining industries of the United Kingdom and West Germany in the 1970s, geophysical methods are now utilised in coal mining around the world. The range of applications in both surface and underground mining is extensive. Applications include coal seam mapping and geological fault detection,
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Mineralogy and geochemistry of a superhigh-organic-sulfur coal
2008.9.30 Section snippets Geological settings. The Yanshan Coalfield is located in southeastern part of Yunnan Province, China (Fig. 1). The coal-bearing strata in the coalfield are the Wujiaping Formation (P 2w) and Changxing Formation (P 2ch) (Late Permian).The Changxing is overlain by the Ximatang Formation (T 3x) (Early Triassic) which contains
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深部煤炭原位气化开采关键技术及发展前景 - cumtb.cn
2023.12.27 我国深部煤炭资源储量丰富。煤炭地下气化可将其转化为燃气输出到地面，是深部煤炭原位流态化开采的重要途径。本文介绍了煤炭地下气化技术(UCG)的发展历程、技术现状以及中深部煤炭地下气化典型案例，基于现代煤炭地下气化技术体系剖析了深部煤炭地下气化的关键技术及技术攻关方向，展望 ...
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Development history and prospect of remote sensing
2020.7.24 Spanning over 50 years, the history of China’s coal remote sensing technology can be divided into five stages: aero-geological mapping, coal remote sensing theory experimental research, application research and promotion, architecture planning and productionisation, ‘‘3S’’ technology integration and application.
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Mineral matter in the Pennsylvanian coal from the Yangquan Mining ...
2023.2.1 The No. 8 Coal from the Xinjing mine is identified as a low-ash (18.73% on average), medium‑sulfur (2.12% on average) semi-anthracite. ... Late Paleozoic Coal Geology of North China Platform. Shanxi Science and Technology Press, Taiyuan, Shanxi (1997) (in Chinese with English Abstract) Google Scholar.
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Evaluation and future framework of green mine construction in China ...
2020.6.16 The idea of green mining was proposed as a practical approach to make the mining industry more sustainable than before. Green mining is a contemporary mining model centered on the sustainability of resources, environment, and socio-economic benefits. Its purpose is to develop and apply technologies and processes that increase
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Negative externalities of high-intensity mining and disaster
2019.1.24 Due to the continuous development of underground mining methods, technical equipment, the Internet and intelligent technology, a new energy revolution will be of great significance in years to come. Meanwhile, the high-intensity mining (HIM) of thick coal seams has become an important development direction of China’s underground coal
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中国中煤能源集团有限公司英文站
2024.01.15 Transformation of Molecular Sieve System of Shaanxi Company Realizes Energy Saving. 2024.01.02 Chemical Trading Company Continues to Strengthen By-Product Customer Management. 2023.12.25 Holiday Daycare of Huayu Company Received Credit By Shanxi Labor Union. 2023.12.04 Green Hydrogen Index of Ordors Energy and
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