
Sichuan Xingli coal gangue ore mill

Representative coal gangue in China: Physical and chemical
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 2024年9月7日 This paper provided innovative ideas for future research on the comprehensive treatment of coal gangue and restoration of degraded soil in order to achieve the dual goals of Opportunities, challenges and modification methods of coal gangue 2024年7月12日 Utilization of coal gangue in engineering is an ecological and sustainable way The pretreatment intensity varies across different utilization methods Progressed coal gangue Review Highcapacity utilization of coal gangue as 2024年6月4日 The origin, type, composition and geological characteristics of coal gangue should be discussed from the aspects of coal accumulation, diagenetic characteristics and Characteristics of Coal Gangue and Present Situation and

Study on the macro–micro evolution of compaction Nature
2024年2月28日 In this paper, through laboratory tests and numerical simulations, the bearing characteristics and deformation damage of gangue are deeply investigated and analyzed from 2010年3月23日 concentration and refinement of the coal gangue in XuyongThe results obtained show that it is significant to promote the comprehensive utilization of South Sichuan abundant of the Coal Gangue in Xuyong,Sichuan2022年12月26日 The objectives of this review are to discuss the automated identification of coal rock during the process of coal release in China and other countries, analyze the current A review of coal gangue identification research—application 2023年11月6日 Intelligent coal gangue separation equipment has the advantages of fast speed, high precision, strong modularity, and integration scalability It also has the advantages of low operation cost and energy A review of intelligent coal gangue separation

How To Effectively Use Coal Gangue? clirikchina
2021年10月13日 Coal gangue is a solid waste discharged during coal mining and coal washing It is a darkgray rock with lower carbon content and harder than coal that is associated with coal seams during coal formation Including the excavation gangue in the process of roadway excavation, the gangue extracted from the roof, floor and interlayer during the excavation 2022年9月15日 Coal gangue is one of the industrial solid wastes that may harm the human body through the ecosystem for a long time Using coal gangue in geopolymer preparation can effectively reduce cement output and meet the Activation Mechanism of Coal Gangue and Its 2022年9月30日 Coal gangue (CG) is a type of industrial solid waste produced by the process of coal excavation and separation 1,2,3 Generally, one ton of CG is discarded for every 10 tons of produced coal 4 , 5 Preparation of coal gangue ceramsite highstrength 2016年2月26日 Ore sorting is a useful tool to remove gangue material from the ore and increase the quality of the ore The vast developments in the area of artificial intelligence allow fast processing of fullcolor digital images for the preferred investigations The associated gangue minerals from limestone and coal mines were identified using three different approaches All Novel Methods for Separation of Gangue from Limestone and Coal

Enrichment of lithium in the claystone coal gangue from the
DOI: 101016/jemer2023 Corpus ID: ; Enrichment of lithium in the claystone coal gangue from the Malan mine, Xishan Coalfield, Shanxi Province, Northern China2022年8月11日 A coal gangue sample was taken from the coal gangue deposit of a mine managed by Guxu Coal Field Development Co, Ltd in Sichuan Province The coal gangue sample had been authorized by Sichuan Guxu coaleld development Co, Ltd for the scientic research The original coal gangue was rst manually separated to remove impuThe use of modified coal gangue for the remediation 2022年11月25日 PDF 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 Find, read and cite all the (PDF) Underground Disposal of Coal Gangue Backfill in DOI: 101016/jconbuildmat2019 Corpus ID: ; Preparation, characteristics and mechanisms of the composite sintered bricks produced from shale, sewage sludge, coal gangue powder and iron ore tailingsPreparation, characteristics and mechanisms of the

Comprehensive utilization and environmental risks of coal gangue: A
2019年12月1日 The accumulation of considerable coal gangue not only occupies a great deal of land resource, but also results in serious environmental problems, eg, soil pollution, air pollution, and geologic hazards (Stracher and Taylor, 2004)The heat continues to accumulate during the accumulation process, which leads to spontaneous combustion with the oxidization of coal Coal water slurry ball mill (CWS ball mill) is the key equipment for coal water slurry fuel production, which is commonly used in coal water slurry power plant Coal water slurry ball mill is grinding equipment specially used for coal water slurry production Its specifications, structure and working conditions must meet the requirements of coal water slurry production scale, Coal Water Slurry Ball Mill2024年4月17日 Purpose Soil contamination and solid waste accumulation pose significant risks to the safety of agricultural produce and residential areas In China, coal gangue, a typical form of solid waste, is rich in valuable elements like silicon and aluminum, making it an ideal precursor for the synthesis of zeolite molecular sieves This study focuses on transforming coal gangue into Ironenhanced Xtype zeolite made by coal gangue for 2022年11月25日 PDF 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 Find, read and cite all the (PDF) Underground Disposal of Coal Gangue

Research progress of highvalue utilization of
The coal gangue in China is the core field of bulk solid waste comprehensive utilization due to its massive stock and emission, high concentration of output, small proportion of highvalueadded utilization, and outstanding 2019年12月1日 The accumulation of considerable coal gangue not only occupies a great deal of land resource, but also results in serious environmental problems, eg, soil pollution, air pollution, and geologic hazards (Stracher and Taylor, 2004)The heat continues to accumulate during the accumulation process, which leads to spontaneous combustion with the oxidization of coal Comprehensive utilization and environmental risks of coal gangue: A 2024年3月14日 With the continual advancement of coal resource development, the comprehensive utilization of coal gangue as a byproduct encounters certain constraints A substantial amount of untreated coal gangue is openly stored, particularly acidic gangue exposed to rainfall The leaching effect of acidic solutions, containing heavy metal ions and other Environmental impact assessment of acidic coal gangueRequest PDF On Mar 1, 2023, Jintao Li and others published Enrichment of lithium in the claystone coal gangue from the Malan mine, Xishan Coalfield, Shanxi Province, Northern China Find, read Enrichment of lithium in the claystone coal gangue from the

Efficacy of Coal Gangue as a Precursor in Synthesis of
2023年11月20日 Geopolymers are threedimensional aluminosilicate binder materials developed from various raw materials such as industrial byproducts that are rich in reactive silica and alumina However, a few raw materials that are generated in large quantities such as coal gangue (CG) are observed to be underutilized due to various factors such as low reactivity and bare 2023年2月1日 Coal gangue, which is mainly generated during coal excavation, mining, and coal washing, is an industrial solid waste that is recognized as an environmental pollutant The ever –Fabrication and application of porous materials made from coal gangue 2024年5月3日 We sought to investigate the impact of nonreactive solid waste coal gangue and iron ore tailings admixture on the physical properties of nonsintering ceramsite We designed orthogonal tests with active solid waste fly ash, the alkali exciter NaOH, and the foaming agent aluminum powder as variable factors We used range and variance analysis Preparation and alkali excitation mechanism of coal gangueiron ore 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

Preparation and properties of autoclaved aerated concrete using coal
DOI: 101016/JCONBUILDMAT201512041 Corpus ID: ; Preparation and properties of autoclaved aerated concrete using coal gangue and iron ore tailings @article{Wang2016PreparationAP, title={Preparation and properties of autoclaved aerated concrete using coal gangue and iron ore tailings}, author={ChangAn Wang and Wen Ni and 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 Underground Disposal of Coal Gangue Backfill in 2023年2月1日 1 Introduction Coal gangue is a byproduct of coal mining and washing process (Li et al, 2006)In China, there are 5 billion tons of coal gangue accumulated as residual waste, and this value continues to grow at the rate of 300–350 tons per year (Li and Wang, 2019; Moghadam et al, 2019)Large amount of coal gangue not only occupies farmland, but also Enhancement of coal gangue performance by surface micro 2022年10月20日 In this study, coal gangue from southern Sichuan, China, was activated and characterized by calcination at 100~900 °C, and the succession laws of the phase, microstructure and physical properties (PDF) Thermal activation and structural succession of coal gangue

Improvement of strength and microstructure of lowcarbon
2024年9月20日 The accumulation of coal gangue poses significant environmental challenges due to its massive volume and low reactivity This study investigates the influence of calcium hydroxide (Ca(OH)₂) and gypsum on the mechanical properties, hydration, and pore structure of lowcarbon cementitious materials incorporating high volumes of calcined coal gangue (CCG) 2022年10月20日 Iron ore handling, which may account for 20–50% of the total delivered cost of raw materials, covers the processes of transportation, storage, feeding, and washing of the ore en route to or during its various stages of treatment in the mill Since the physical state of iron ores in situ may range from friable, or even sandy materials, to monolithic deposits with hardness of Iron Ore Processing, General SpringerLink2023年9月21日 In this study, the research aim is to enhance the activity index of activated coal gangue and study its activation mechanism The activation process of coal gangue was optimized through orthogonal tests, and the BackPropagation (BP) neural network model was improved using a genetic algorithm With the effects of grinding duration, calcination temperature, and Study on the Reactivity Activation of Coal Gangue for 2021年11月1日 The Extraction Standard for Li 2 O in coalbearing strata proposed by Zhao et al (2022) suggested a grade of Li in coal for recovery from coal ash, ie, the content of Li 2 O > 008% (on high Mineralogy and geochemistry of the Late Triassic coal from

The use of modified coal gangue for the remediation and
2021年1月15日 The coal gangue sample had been authorized by Sichuan Guxu coalfield development Co, Ltd for the scientific research The original coal gangue was first manually separated to remove impurities and white gangue, and it was then ground and passed through a 160 mesh with a ball mill for further use2020年1月30日 The primary disposal method of the iron ore tailings and coal gangue powder waste is storage, The samples were ground in an agate ball mill to a grain size smaller than 150 µm and dried in a vacuum oven at 105 °C for 16 h The XRF analysis was performed on a Bruker D8 Advance with the scanning angle range from 5° to 70° and step size of Preparation, characteristics and mechanisms of the 矿产综合利用 2501 3787 1072 486 128 113 021 038 042 1852 1004 由表1可知,叙永煤矸石含铁较高。 据系统谱学、扫描电镜、能谱高分辨透射电镜分析、研究,煤矸石中粘土矿物主要of the Coal Gangue in Xuyong,Sichuan2023年12月8日 Coal gangue is one of China’s main industrial solid wastes, which contains various harmful heavy metal elements, such as lead (Pb) The longterm accumulation of coal gangue causes Pb to migrate to the surrounding environment due to weathering and rain erosion, eventually endangering human life and health with its continuous accumulation in the food Migration transformation, prevention, and control of typical

Xingli WU PhD Student Doctor of Business
Xingli WU, PhD Student Cited by 1,921 of Sichuan University, Chengdu (SCU) Read 45 publications Contact Xingli WU2021年10月13日 Coal gangue is a solid waste discharged during coal mining and coal washing It is a darkgray rock with lower carbon content and harder than coal that is associated with coal seams during coal formation Including the excavation gangue in the process of roadway excavation, the gangue extracted from the roof, floor and interlayer during the excavation How To Effectively Use Coal Gangue? clirikchina2022年8月25日 The SiO 2 Al 2 O 3 CaO system glassceramics were prepared by direct sintering method with coal measure solid wastecoal gangue as the main raw material, supplemented by a certain amount of CaO The effects of heat treatment on the physical and chemical properties of SiO 2 Al 2 O 3 CaO glassceramics, such as phase composition, Preparation of Coal Gangue Glassceramics by Direct Sintering2022年9月15日 Coal gangue is one of the industrial solid wastes that may harm the human body through the ecosystem for a long time Using coal gangue in geopolymer preparation can effectively reduce cement output and meet the sustainability requirements In this paper, the physical and chemical characteristics, including the heavy metal content, of coal gangue from Activation Mechanism of Coal Gangue and Its Impact on the

Preparation of coal gangue ceramsite highstrength
2022年9月30日 Coal gangue (CG) is a type of industrial solid waste produced by the process of coal excavation and separation 1,2,3 Generally, one ton of CG is discarded for every 10 tons of produced coal 4 , 5 2016年2月26日 Ore sorting is a useful tool to remove gangue material from the ore and increase the quality of the ore The vast developments in the area of artificial intelligence allow fast processing of fullcolor digital images for the preferred investigations The associated gangue minerals from limestone and coal mines were identified using three different approaches All Novel Methods for Separation of Gangue from Limestone and Coal DOI: 101016/jemer2023 Corpus ID: ; Enrichment of lithium in the claystone coal gangue from the Malan mine, Xishan Coalfield, Shanxi Province, Northern ChinaEnrichment of lithium in the claystone coal gangue from the 2022年8月11日 A coal gangue sample was taken from the coal gangue deposit of a mine managed by Guxu Coal Field Development Co, Ltd in Sichuan Province The coal gangue sample had been authorized by Sichuan Guxu coaleld development Co, Ltd for the scientic research The original coal gangue was rst manually separated to remove impuThe use of modified coal gangue for the remediation