Shanxi gangue processing

Characteristics of Coal Gangue and Present Situation and Prospect

2024年6月4日  Coal gangue is a kind of solid waste produced in the process of coal production and processing, which accounts for about 10–20% of coal output on average (Liangji et al 2012年7月2日  Emission of pollutants and low thermal power plant efficiency are the two major problems for the power industry firing coal gangue Particulate matter emission control is a (PDF) Power Generation from Coal Gangue in China2008年7月7日  Our research, together with the detailed study of Zhao et al (2008) on trace element distribution in coal gangue will, provide further insight into the environmental problems Environmental characterization of burnt coal gangue banks at 2024年3月14日  To understand the migration dynamics of pollutants and unveil the features of solute migration, this study focuses on a coal gangue dump in a mining area in Shanxi Environmental impact assessment of acidic coal gangue Springer

Environmental impact assessment of acidic coal gangue Springer

To understand the migration dynamics of pollutants and unveil the features of solute migration, this study focuses on a coal gangue dump in a mining area in Shanxi Utilizing indoor leaching used the classical image processing algorithm to calculate the mixed gangue rate is method has been widely used in the eld of image recognition of coal gangue separation, and its reliability has Image feature extraction and recognition model construction of Consistently adhering to “technological innovation” and “circular economy”, the company forms a set of unique processing production line for coal series kaolin by fully using the domestic and oversea most advanced technology and process for kaoline production as reference and combining with the characteristics of coal gangue The most CompanyShanxi Bright Kaolin Technology Corp LtdAs a byproduct of coal production, coal gangue, if not handled properly, will pose an important hidden danger to the environment and safety Using underground intelligent coal gangue sorting technology can increase efficiency, protect the environment, and enhance safety, which is essential for achieving efficient and ecofriendly coal productionResearch and prospect of underground intelligent coal gangue

Research on recognition of coal and gangue based on image processing

2015年8月23日  In order to avoid the waste of water resources and environmental pollution caused by separating coal and gangue in the traditional methods, a novel method based on image processing is proposed in this paper 2 Shanxi Huajin Energy Co Ltd of China Coal, Hejin Shanxi, PR China World Journal of Engineering2022年12月5日  Image feature extraction and recognition model construction of coal and gangue based on image processing technology Sci Rep Shanxi, China 3 Key Laboratory of Deep Coal Mining of the Ministry of Education, School of Mines, China University of Mining and Technology, Xuzhou, , China znbcumt@126 PMID: Image feature extraction and recognition model construction of 2014年6月22日  Therefore Shanxi is an Find, read and cite all the research you need on ResearchGate Article PDF Available Mine Land Reclamation and EcoReconstruction in Shanxi Province I: Mine Land Mine Land Reclamation and EcoReconstruction in Shanxi Investigation into trace element partitioning behavior from a coal ganguefired power plant in Shanxi province, China, has been conducted and showed that Hg, As, Be, and Cd were highly volatile elements in the combustion of coalgangue, which were notably enriched in fly ash and may be emitted into the environment via the gas prehensive utilization and environmental risks of coal gangue

Mine Land Reclamation and Eco‐Reconstruction in Shanxi

2014年6月22日  For the gangue reclaimed land which is used for farming, the filled gangue should be dense at the bottom and loose at the upper part so as to conserve soil moisture and nutrient to facilitate plant growth For the gangue reclaimed land which is used for building, the handling should be performed in accordance with demand2023年4月7日  Temperature Distribution Regularity and Dynamic Evolution of Spontaneous Combustion Coal Gangue Dump: Case Study of Yinying Coal Mine in Shanxi, China April 2023 Sustainability 15(8):6362Temperature Distribution Regularity and Dynamic Evolution of used the classical image processing algorithm to calculate the mixed gangue rate is method has been widely used in the eld of image recognition of coal gangue separation, and its reliability has Image feature extraction and recognition model construction of Key Laboratory of Coal Processing and Efficient Utilization of Ministry of College of Mining Engineering, Taiyuan University of Technology, Taiyuan , Shanxi, China 4 Hunan Provincial Communications Planning, Survey 煤矸石中有价关键金属活化提取研究进展 cip

A new method for preenrichment of gallium and lithium based

2023年11月1日  A new method for preenrichment of gallium and lithium based on mode of occurrence in coal gangue from Antaibao surface mine, Shanxi Province, China Author links open overlay panel Shiqi Dai a b, Fengshuai Sun a b, delving into processing characteristics and chemical principles, among other perspectives [20–25]2022年12月5日  Image feature extraction and recognition model construction of coal and gangue based on image processing technology December 2022; Scientific Reports 12(1) DOI: Shanxi Metall 44(6), 145146 (PDF) Image feature extraction and recognition model 2024年3月14日  This website requires cookies, and the limited processing of your personal data in order to function By using Environmental impact assessment of acidic coal gangue leaching solution on groundwater: a coal gangue pile in Shanxi, China Environmental impact assessment of acidic coal gangue leaching 2021年5月27日  Mercury (Hg) is a toxic trace element emitted from coal conversion and utilization Samples with different coal ranks and gangue from Ningwu Coalfield are selected and investigated in this study For understanding dependence of mercury distribution characteristics on coalification degree, Pearson regression analysis coupled with Spearman rank correlation A Preliminary Study on Dependence of Mercury Distribution on

The influence of carbon imperfections on the physicochemical

2023年12月15日  Coal gangue is produced during the coal mining process and the coal enrichment stage in coal processing plants [1]In recent years, China has accounted for 508 % of the global coal production [2]The accumulated stockpile of coal gangue in China has reached 7 billion tons, with an annual growth rate of 150 million tons2018年7月26日  Early investigations on coalgangue detection were mainly focused on designing eigenvectors to reveal differentiation between coal and gangue; these were based on image processing (eg, gray Research on methods to differentiate coal and gangue using 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 accumulation of coal gangue causes serious environmental, social, and economic problems in the coal mining area []Heavy metals and harmful organic substances in Lowcarbon utilization of coal gangue under the carbon 2023年11月1日  Coal gangue is a solid waste discharged during coal mining and coal preparation processes It is typically a blackgray rock with a low carbon content, harder than coal, and is associated with the coal seam during the coal formation process (Li et al, 2018; Sun et al, 2020)Its annual output accounts for approximately 15%–20% of coal mining, and even A new method for preenrichment of gallium and lithium based

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 the existing gangue backfilling 2024年1月2日  Foamed ceramics were prepared by the water spray granulation and post particle stacking method using coal gangue as the main raw material The effects of raw material weight ratio (ie, raw Coal gangue‐based ceramics foams by water spray Shanxi Ruixiang Hengda Energy Saving Technology Co, Ltd Products:light weight insulating bricks,Lightweight mullite Using local resources, highquality coal gangue processing, low cost, with solid waste coal gangue, fly ash as the Shanxi Ruixiang Hengda Energy Saving Technology This composition resembles in general that of coal gangue and clays All the trace element contents in the fired coal gangue were very similar to the mean values reported by Zhao et al (2008) for Shanxi fired coal gangue, suggesting that (PDF) Environmental characterization of burnt coal

CompanyShanxi Bright Kaolin Technology Corp Ltd

Consistently adhering to “technological innovation” and “circular economy”, the company forms a set of unique processing production line for coal series kaolin by fully using the domestic and oversea most advanced technology and process for kaoline production as reference and combining with the characteristics of coal gangue The most 2021年1月1日  Reusing different mine gangue is an effective method to reduce environmental hazards around the processing plants In this study, coal gangue (CG) of Anjirtangeh coal washing plant with high Research Progress on Comprehensive Utilization and Resourceful 2022年4月6日  AbstractAmong coal miningrelated wastes, coal gangue (CG) is the heterogeneous waste generated during the mineral processing or coal washing phase of coal mining A thorough “Environmental characterization of burnt coal gangue banks at yangquan, shanxi province, China” Int J Coal Geol 75 (2): 93–104 https://doi The Sustainable Utilization of Coal Gangue in Geotechnical and Abstract: 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

Preparation of Coal GangueBased Porous Ceramics and Its

2023年8月2日  The presence of lead in wastewater poses a significant threat to human health To address this issue, coal ganguebased porous ceramics (CGPC) were developed to remove Pb2+ in wastewater Coal gangue (CG) waste from Lvliang City, Shanxi province in China was used as raw material, and porosity was introduced through the addition of a poreforming Yanxia Guo's 70 research works with 1,248 citations and 4,599 reads, including: Utilization of inherent minerals in coal for highperformance activated carbon production: The mechanism of deSO2 Yanxia Guo's research works Shanxi University, Taiyuan (Shān xī 2023年3月1日  Enrichment of lithium in the claystone coal gangue from the Malan mine, Xishan Coalfield, Shanxi Province, Northern China March 2023 DOI: 101016/jemer2023Enrichment of lithium in the claystone coal gangue from the 2019年3月29日  ABSTRACT The separation of coal and gangue is an important aspect of coal production, which can improve coal quality, save energy, reduce consumption, and enable the rational use of resources At present, manual selection remains widely implemented, but the working environment is harsh, labour intensity is high, and efficiency is low With the continual Separation of gangue from coal based on supplementary texture

RRBMYOLO: Research on Efficient and Lightweight Convolutional

2024年10月29日  Coal gangue identification is the primary step in coal flow initial screening, which mainly faces problems such as low identification efficiency, complex algorithms, and high hardware requirements In response to the above, this article proposes a new “hardware friendly” coal gangue image recognition algorithm, RRBMYOLO, which is combined with dark light 2024年11月1日  The running time of the M1 algorithm selected in this article is 0006s for single infrared image after liquid intervention, indicating that the selected algorithm can quickly process the infrared image of the liquid intervention approach, which can meet the actual moving coal gangue image acquisition and processing requirementsWind speed effect on infraredimagebased coal and gangue Pu Y Apel D Szmigiel A Chen J Image recognition of coal and coal gangue using a convolutional neural network and transfer learning Energies 2019 12 9 1735 1745 103390/en Google Scholar; 20 Ran, Z, Pan, Y, Liu, W: Codisposal of coal gangue and red mud for prevention of acid mine drainage generation from selfheating gangue dumpsA fast recognition method for coal gangue image processingImage feature extraction and recognition model construction of coal and gangue based on image processing technology Lei Zhang, 1, 2 YiPing Sui, 2 HaoSheng Wang, 2 ShangKai Hao, 2 and NingBo Zhang 1 After onthespot investigation, Xiaoyu Coal Mine in Shanxi Province was selected as the collection site of coal and gangue samples, Image feature extraction and recognition model construction of

Research progress on activation extraction of valuable metals in

In view of the complex composition of coal gangue, large fluctuation range, and low content of valuable metals, based on the mineral characteristics, the corresponding mineral processing technology can be used to initially enrich the carrier minerals, improve the grade of valuable metals, and then carry out the synergistic extraction of aluminum, iron, lithium, rare earth, and The papermaking technology reached the international leading level, its principle is the use of coal gangue, calcium carbonate powder as main raw materials, auxiliary materials in polymer materials and a variety of inorganic backing, the advantage of the characteristics of polymer interface chemistry and filling modification, after special craft processing, processing molding, to 山西宇皓环保纸业有限公司2024年3月13日  Coal gangue (CG), an industrial solid waste with high contents of Li and Ga, has attracted the attention of researchers However, the utilization of CG remains an economic challenge Preenrichment of Li and Ga by flotation was carried out with a view to improving the comprehensive utilization of CG Mineral composition, timeofflight secondary ion mass Separation and Recovery of Valuable Carbon ACS Publicationslocation That is, the automatic annotation of coal gangue data is completed The results show that the automatic annotation method of coal gangue image data through digital image processing can effectively annotate the collected coal gangue image data, with a high sample generation rate and annotation accuracy of 99%Automatic Annotation Method of Gangue Data Based on Digital

Characterization studies on coal gangue for sustainable geotechnics

2020年2月5日  Global rise in greenhouse gas emissions (GHG) is triggered mainly due to the consumption of fossil fuels for power generation and domestic usage Among the fossil fuels, coal is a primary contributor to global GHG with substantial emissions generated during its mining and combustion process Coal gangue, a residue produced during the coal mining process, has

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