
Current situation of coal gangue

Current situation and progress of coal gangue resource utilization
Therefore, addressing the water, atmospheric, and soil environmental pollution caused by coal mining and coal gangue accumulation, this paper summarizes the relevant research progress on the resource utilization of coal gangue in the production of energy, recovery of valuable 2024年2月1日 Based on the source and distribution of coal gangue (CG) in China, this study introduces the current situation of CG storage in China and the problems existing in the Representative coal gangue in China: Physical and chemical 2024年5月20日 Data from the China Coal Processing and Utilization Association (CCPUA) show that China's current cumulative stockpile of bulk solid waste is about 60 billion tons, with an Research status of comprehensive utilization of coalbased solid 2024年6月4日 Based on the analysis of the characteristics of coal gangue, this paper carded out the current industrial and technical policies in China and comprehensively analyzed the Characteristics of Coal Gangue and Present Situation and Prospect

The Current Situation of Comprehensive Utilization of Coal
2012年5月1日 Coal gangue is a typical waste produced during coal mining and washing Synthesis of zeolites via coal gangue can contribute to resource recycling and environmental 2019年12月1日 Coal gangue, a solid waste generated during coal mining and washing, accounts for approximately 10%–15% of the total coal production The accumulative amount Comprehensive utilization and environmental risks of coal gangue: This paper highlighted the current situation of highvalue utilization of coal gangue in construction materials, geopolymers, chemical products, new materials, and land reclamation, and further discussed the future application prospects of Research progress of highvalue utilization of coal Therefore, addressing the water, atmospheric, and soil environmental pollution caused by coal mining and coal gangue accumulation, this paper summarizes the relevant research progress 煤矸石资源化利用现状与进展

煤矸石资源化利用现状与进展
摘 要: 在实现“ 碳达峰与碳中和” 目标的背景下, 煤炭作为国家能源安全的基石,其绿色开发对我国经济建设和社会发展起到了至关重要的作用。 然而, 在煤矿开采及分选加工过程中,煤矸石作为煤 2023年5月25日 Against the background of the carbon neutralization strategy, the treatment and utilization of coal gangue should focus on three aspects: its own carbonfree emissions; its carbon absorption effect and lowcarbon Lowcarbon utilization of coal gangue under the 2024年6月4日 Based on the current status of high valueadded utilization, it is of great significance to construct a circular economy route of high valueadded utilization of coal gangue Characteristics of Coal Gangue and Present Situation and Prospect of Coal Gangue Resource Utilization in ChinaCharacteristics of Coal Gangue and Present Situation and 2012年7月2日 This paper provides an overview on the current status of power generation in China using coal gangue The government regulation towards the use of coal gangue for power generation is introduced(PDF) Power Generation from Coal Gangue in China: Current

Lowcarbon utilization of coal gangue under the
2023年5月25日 Coal gangue, produced during coal mining and processing [1, 2], is one of the most extensively produced solid wastes in China [1, 3], accounting for approximately 10%‒20% of raw coal production []The 2019年12月1日 This study aims to provide a highvalue and environmentally friendly method for the application of coalbased solid waste Modified fly ash/polyurethane (MFA/PU) and modified coal gangue powder Comprehensive utilization and environmental risks of coal gangue2024 年 1 月 Coal Science and Technology Jan 2024 竹 涛,武新娟,邢 成,等 煤矸石资源化利用现状与进展[J] 煤炭科学技术,2024,52(1):380−390 ZHU Tao,WU Xinjuan,XING Cheng,et al Current situation and progress of coal gangue resource utilization[J]煤矸石资源化利用现状与进展2024年9月7日 Coal gangue is a complex industrial solid waste mixed with organic compounds, inorganic compounds and minerals (Fabiańska et al 2013)Its major chemical compositions are SiO 2, Al 2 O 3 and Fe 2 O 3, with traces of CaO, P 2 O 5, MgO and MnO 2The chemical composition of coal gangue from various sources and its comparison with soil reference Opportunities, challenges and modification methods of coal gangue

Review Highcapacity utilization of coal gangue as supplementary
2024年7月12日 Current situation of the comprehensive utilization of coal gangue in china and the related problems and recommendations China Environ Prot Ind Power generation from coal gangue in China: current status and development Adv Mater Res, 550 (553) (2012), pp 443446 View in Scopus Google Scholar2019年12月1日 The utilization amount of coal gangue was 480 million tons in 2013, accounting for 64% of the total output, of which approximately 150 million tons of coal gangue were used for power generation (32%), 56 million tons for the production of building materials (12%), and 260 million tons for land reclamation (56%) (National Development and Reform Commission, 2014)Comprehensive utilization and environmental risks of coal gangue: A 2018年9月10日 China's annual raw coal output is 354 billion tons, and the annual CG discharge is about 500800 million tons [3] As one of the 10 major industrial solid wastes in the world, CG is also the Research of Comprehensive Utilization of Coal GangueThe Current Situation of Comprehensive Utilization of Coal Gangue in China Li Jing Yu Youli Feng Wei Yan Environmental Science, Investigation into trace element partitioning behavior from a coal ganguefired power plant in Shanxi province, Comprehensive utilization and environmental risks of coal gangue

Research status of comprehensive utilization of coalbased solid
2024年5月20日 Fig 2 shows the basic situation of comprehensive utilization of three typical CSW (coal gangue, fly ash and gasification slag) in China from 2011 to 2021 It can be found that the output and comprehensive utilization of coal gangue and fly ash were fluctuating like coal output, but the overall trend was increasing2015年2月18日 The reuse of coal gangue for energy recovery is developing rapidly in China, due to its advantage in achieving both economic and environmental benefits Lowquality coal is often added to elevate the calorific value of the fuel In this paper, the combustion characteristics as well as pollutant emissions (SO2 and NO) of coal gangue, lowquality coal and their blends Cocombustion and emission characteristics of coal gangue and 2024年5月28日 Ji Wen Chang, Gen Jie Du, Jian Lei Du, et al Current Situation of the Comprehensive Utilization of Coal Gangue in China and the Related Problems and Recommendations[J], China Environmental Protection Industry 2022(08): 13–17 [Google Scholar] Fang LiPresent situation of comprehensive utilization of coalbased solid 2023年11月6日 Traditional Coal Gangue Separation Process and Equipment Water washing and dry coal preparation are the main parts of coal preparation Spiral separation, jigging, heavy medium separation, and other processes are water washing processes, which have the advantages of mature technology, high separation accuracy, and large processing capacity Full article: A review of intelligent coal gangue separation

Industrial development and prospect about Semantic Scholar
Coal gangue as one of the largest industrial solid wastes in China brings about very serious environmental, social and economic problems Comprehensive utilization of coal gangue is of importance to sustainable development of society and economy China has made great progress in comprehensive utilization of coal gangue in the latest 40 years since the 1960—1970's 2024年9月1日 Most current research on coal gangue image recognition is conducted under static conditions, with less study on recognizing images of moving coal flows Some scholars have conducted recognition experiments on coal gangue on belts moving at 09 m/s ( Ma et al, 2023 ), yet the operating speed of underground coal transport belts can reach 4 m/s, and the material Research and prospect of underground intelligent coal gangue 2023年12月8日 During the extraction and processing of coal, a large amount of solid waste, collectively known as gangue, is produced This gangue has a low carbon content but a high ash content, accounting for approximately 15 to 20% of the total coal yield Before coal is used, coal and gangue must be effectively separated to reduce the gangue content in the raw coal and Coal and Gangue Classification Based on LaserInduced 2016年12月1日 Sun Chunbao, Dong Hongjuan, Zhang Jinshan, Cao Zhao, Fan Wenyang, Guo Zhenkun, Zhou Shan Resource Utilization Ways of Coal Gangue and its Development[J]Resource Utilization Ways of Coal Gangue and its Development

煤矸石资源化利用现状与进展
Abstract: Against the backdrop of achieving the goals of “peak carbon emissions and carbon neutrality”, coal, as the cornerstone of national energy security, plays a crucial role in the green development of our country’s economic construction and social development However, during the process of coal mining and washing, coal gangue, as the primary associated byproduct of 2022年4月6日 Abstract Among coal miningrelated wastes, coal gangue (CG) is the heterogeneous waste generated during the mineral processing or coal washing phase of coal mining A thorough understanding of environmental concerns associated with the current model of The Sustainable Utilization of Coal Gangue in Geotechnical and 2021年1月1日 Solidwaste coal gangue (CG) mixed with cement as underground backfilling material is widely applied in coal mines throughout China However, this material can pollute the environment during its Research Progress on Comprehensive Utilization and 2024年2月28日 Currently the main method of mine solid waste disposal and utilization is to apply gangue to underground filling For the grading characteristics of coal gangue in the hollow zone in underground Study on the macro–micro evolution of compaction Nature

A review of coal gangue identification research—application to
2022年12月26日 Top coal caving is a process for the rational extraction of large amounts of coal resources However, this process readily causes release of excessive amounts of gangue during the coal release process The conventional technique, which involves visual inspection, is not only laborintensive but also can introduce inaccuracies Coal and gangue identification methods 2021年10月12日 For example, in addition to common solid wastes such as coal gangue and fly ash, other coalbased solid wastes such as desulfurization gypsum and gasification slag can be added, Cao JW, et al (2018) Analysis on the current situation and development trend of energy resources in China Conserv Util Miner Resour (04):34–42+47Development overview of paste backfill technology in China’s coal 2016年11月1日 Coal gangue has accumulated huge coal gangue piles, occupying lots of land as well as having striking influence on the neighboring environmental effects This paper seeks a new way of coal gangue treatment in which the coal gangue blended with shale and sludge was sintered in rotary kiln to form lightweight aggregatesEnvironmental effects of coal gangue and its utilizationAbstract: Coal gangue as one of the largest industrial solid wastes in China brings about very serious environmental, social and economic problems Comprehensive utilization of coal gangue is of importance to sustainable development of society and economy China has made great progress in comprehensive utilization of coal gangue in the latest 40 years since the Industrial development and prospect about comprehensive

Research status of comprehensive utilization of coalbased solid
2024年5月20日 Fig 2 shows the basic situation of comprehensive utilization of three typical CSW (coal gangue, fly ash and gasification slag) in China from 2011 to 2021 It can be found that the output and comprehensive utilization of coal gangue and fly ash were fluctuating like coal output, but the overall trend was increasingCoal gangue, a byproduct produced during the coal processing, has a serious impact on the environment Using coal gangue as a fertilizer has been proven helpful in potentially reducing its environmental impact and improving its value In this study, the formation mechanism and influencing factors of coalganguebased silicon fertilizer was studied using XRD and FTIR Sustainable and clean utilization of coal gangue: activation and 2023年9月21日 Faced with the present situation of the severe global resources environment situation, the demand for lowcarbon and sustainable development, and the current shortage in construction and building materials, researchers have made many explorations into the efficient utilization of coal gangue as a substitute for the construction materials, such as backfilling in Study on the Reactivity Activation of Coal Gangue for Efficient2024年2月1日 Coal is not only the most abundant fossil fuel on earth, but also an indispensable energy source in the industrial age According to the data of “2021 National Mineral Resources Reserve Statistics Table”, the cities with the most coal reserves in China's energy minerals are Inner Mongolia, Xinjiang, Shanxi, Hebei, Chongqing, Gansu, Shaanxi and other regionsRepresentative coal gangue in China: Physical and chemical

Technology and engineering test of filling goaf with coal gangue
2023年11月23日 This paper expounds on the technological process of technology of filling goaf with coal gangue slurry, According to the current situation of mine construction, The Current Situation of Comprehensive Utilization of Coal Gangue in China 来自 Semantic Scholar 喜欢 0 阅读量: 256 作者: LJ Yu , YL Feng , W Yan 展开 摘要: Coal gangue is one of the largest industrial solid wastes in China; the comprehensive utilization of coal gangue has important social, The Current Situation of Comprehensive Utilization of Coal Gangue 2021年1月25日 In China, coal gangue accounting for 1/10, even 1/5 of coal production, is one of the major industrial and mineral residues The stock of coal gangue in China has reached a billion level, with an increasing rate of 150–200 million per year [7], [8]How to utilize the stacked coal gangue is a serious topic in mining industry and construction industryUtilization of coal gangue as coarse aggregates in structural making coal gangue pollution under control and promoting the development of ecological civilization It is necessary to continuously explore new ways of utilization of coal gangue due to its large products In the present, the main innocuous disposals of coal gangue are electricitygeneration Research Progress on Comprehensive Utilization and Resourceful

Research on the characteristics and utilization of coal gangue
摘要: By comparing the present situation of the coal gangue utilization at home and abroad, this text analyzes the new technologies of variety of effective ways in coal gangue generation,producing building materials, extracting chemical products, improving soil and high valueadded utilization, and by summarizing the problems in the practical application, puts 2024年1月13日 To address the technical limitations of automatic coal and gangue detection technology in fully mechanized top coal caving mining operations, the low radiation level radioactivity measurement Precise detection of coal and gangue based on natural γray2019年8月25日 The Current Situation Research on Comprehensive Utilization of Coal Gangue[J] Conservation and Utilization of Mineral Resources, 2019, 39(4): 4652 doi: 1013779/kiissn10010076201904008 Coal gangue is the largest amount of industrial solid waste in China煤矸石综合利用研究进展2007年4月1日 The current situation in comprehensive utilization of gangue[J] Techniques and Equipment for Environmental Pollution Control, 2004, 5(1): 19–22(in Chinese) Google Scholar SUN Liang Factors influencing development of comprehensive utilization of coal gangue[J] China Coal, 2002, 5: 10–11(in Chinese)Performance of cemented coal gangue backfill Journal of

Environmental hazards and comprehensive utilization of solid waste coal
2024年4月1日 In summary, we have assessed the current state of the coal gangue industry, The current situation of comprehensive utilization of coal gangue in China Adv Mater Res, 524–527 (2012), pp 915918 View in Scopus Google 2024年6月28日 The longterm storage of coal gangue (CG) mountains causes serious environmental problems such as water and air pollution Thus, sustainable reclamation practices are urgently needed to minimize the environmental impacts brought by CG mountains Pikovskaya medium was employed to screen microorganisms, which were subsequently Feasibility Analysis of BacterialTreated Coal Gangue for Soil