coal gangue efficient
Controlling water temperature for efficient coal/gangue ...
2021-12-1 · 1. Introduction. Coal is the most important fossil fuel resource in China [1,2].In 2020, China's coal production reaches 3.9 billion tons. Gangue is black-gray solid wastes that were mixed in coal, which play a detrimental role during production and reduce the economic value of coal [], especially when mining thick seams (e.g. 10 m–20 m) with longwall top coal caving
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CiteSeerX — An Efficient of Coal and Gangue Recognition ...
CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): The separation for coal and gangue is an important process in mine production. In order to automatically select the gangue, this study obtained the difference and distribution regularity of the grayscale distribution by analyzing a large number of image data. By improving Bayesian Decision
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Efficient Extraction of SiO2 and Al2O3 from Coal Gangue
Coal gangue is mainly composed of SiO2, Al2O3 and other components. It is a huge reserve of aluminum and silicon resources. The coal gangue stockpiles in
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Controlling water temperature for efficient coal/gangue ...
2021-10-2 · Controlling water temperature for efficient coal/gangue Materials Today Chemistry ( IF 8.301) Pub Date : 2021-10-02, DOI: 10.1016/j.mtchem.2021.100587 Jinwang Zhang, Geng He, Shengli Yang Coal and gangue (black-gray solid wastes in coal) recognition is vital to avoid waste of resources and pollution of the environment during the coal production.
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Efficient removal of water pollutants by hierarchical ...
2021-11-20 · Coal gangue is a kind of kaolin associated with coal, and the production one ton of coal would produce 100–150 kg of coal gangue (Lü et al., 2014). After years of coal mining, the accumulative deposit amount of coal gangue has reached 4.5 billion tons only in China, and that still keeps growing with a speed of 0.3–0.35 billion tons a year ...
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Multi-level training data: (a) coal and (b) gangue ...
The efficient separation of coal and gangue in the mining process is of great significance for improving coal mining efficiency and reducing environmental pollution. Automatic detection of
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A novel coal gangue thermal stabilizer and its effect on ...
2022-2-4 · Nontoxic and efficient coal gangue thermal stabilizer (Y-CG) was prepared by cheap and readily available calcium oxide, coal gangue (CG) and stearic acid(SA). The proposed mechanism of Y-CG thermal stability was studied by XRD, FT-IR, BET and thermal stability test.
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(PDF) Power Generation from Coal Gangue in China:
Overall, efficient power generation using coal gangue is a promising approach to reduce the use of coal resources and reduce the environmental impacts. Discover the world's research.
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Mechanism on Activation of Coal Gangue Admixture
2021-9-28 · Coal gangue, an industrial waste, is rich in silicon and aluminum phase and may be used as a mineral admixture in concrete after moderately stimulating activity, allowing for efficient solid waste utilization. This study used a mortar strength and activity evaluation method to investigate single or compound activation methods to find the optimum activation method of
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CiteSeerX — An Efficient of Coal and Gangue Recognition ...
CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): The separation for coal and gangue is an important process in mine production. In order to automatically select the gangue, this study obtained the difference and distribution regularity of the grayscale distribution by analyzing a large number of image data. By improving Bayesian Decision
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Efficient Extraction of SiO2 and Al2O3 from Coal Gangue
Coal gangue is mainly composed of SiO2, Al2O3 and other components. It is a huge reserve of aluminum and silicon resources. The coal gangue stockpiles in China is more than 5 billion tons at present, of which contain Al2O3 more than 1
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The Most Reliable And Efficient Mill For Coal Gangue Reuse
2021-10-13 · The Most Reliable And Efficient Mill For Coal Gangue Reuse Author: guilin hong cheng Views: 1 Release date: 2021-10-13 16:40:22 As a concomitant of coal mining process, coal gangue not only affects the use of land resources, pollutes the atmosphere, and even endangers soil and water, but also has a high economic cost.
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Controlling water temperature for efficient coal/gangue ...
2021-10-2 · Controlling water temperature for efficient coal/gangue Materials Today Chemistry ( IF 8.301) Pub Date : 2021-10-02, DOI: 10.1016/j.mtchem.2021.100587 Jinwang Zhang, Geng He, Shengli Yang Coal and gangue (black-gray solid wastes in coal) recognition is vital to avoid waste of resources and pollution of the environment during the coal production.
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An Image-Based Hierarchical Deep Learning Framework
2019-12-19 · The efficient separation of coal and gangue in the mining process is of great significance for improving coal mining efficiency and reducing environmental pollution. Automatic detection of coal and gangue is the key and foundation for the separation of coal and gangue. In this paper, we proposed a hierarchical framework for coal and gangue detection based on
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Power Generation from Coal Gangue in China: Current
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. 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
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Study on the Parameter Optimization and Strength
2020-7-28 · At present, the coal gangue produced by coal-fired power plants is generally discarded, resulting in serious environmental pollution. The combination of coal gangue and emulsified asphalt can explore an efficient utilization way for more and more coal gangue and also solve the curing problem of asphalt.
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ZHANG Zuotai - Full-Time Faculty - SUSTech丨School of ...
Effects of chemistry and mineral on structural evolution and chemical reactivity of coal gangue during calcination: towards efficient utilization. Materials and Structure, 2015, Vol, 48, pp.2779-2793. 22) Yingyi Zhang, J. Nakano, Lili Liu, Xidong Wang and Zuotai Zhang*. Co-combustion and emission characteristics of coal gangue and low quality coal.
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Investigation on Calcination Behaviors of Coal Gangue by ...
2017-2-14 · Coal gangue is an associated resource of complex industrial solid waste discharged when coal mining and washing in the production course [1,2].The amount of coal gangue has already accumulated 3.8 billion tons and increasing
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High Strength Glass-Ceramics Fabricated With Coal
2019-8-24 · the efficient management and full utilization of the coal gangue are urgent. The coal gangue has a high alumina content of ~30 wt% and a high silica content of ~62 wt%, and so is suitable for fabrication of the high strength glass-ceramics. In this work, we report the fabrication and the property of the glass-ceramics with the coal gangue as a ...
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A novel coal gangue thermal stabilizer and its effect on ...
2022-2-4 · Nontoxic and efficient coal gangue thermal stabilizer (Y-CG) was prepared by cheap and readily available calcium oxide, coal gangue (CG) and stearic acid(SA). The proposed mechanism of Y-CG thermal stability was studied by XRD, FT-IR, BET and thermal stability test.
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Integrated green mining technology of “coal mining
2021-8-24 · Underground coal and gangue washing and in situ backfilling are effective ways to realize safe and efficient mining and coordinated development of environment. At present, relevant scholars at home and abroad have achieved a series of research results in underground coal and gangue washing and backfill mining (Zhang et al. 2020a , b ; Zhang et ...
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Power Generation from Coal Gangue in China: Current
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. 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
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The composition of coal gangue is more complex, and its ...
Coal gangue is the fixed product during the process of coal mining, washing and processing. And its chemical composition is SiO 2, Al 2O 3, Fe 2O 3, MgO, CaO, TiO 2, etc . Since the middle of the 20th century, coal gangue emissions have been increasing, and now it has become one of the industrial waste that
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Influence of coal gangue mulching with various
2021-7-28 · Coal gangue, as a type of solid waste discharged during coal mining and coal washing, occupies a large amount of land resources owing to accumulated gangue, which eventually results in ecological ...
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ZHANG Zuotai - Full-Time Faculty - SUSTech丨School of ...
Effects of chemistry and mineral on structural evolution and chemical reactivity of coal gangue during calcination: towards efficient utilization. Materials and Structure, 2015, Vol, 48, pp.2779-2793. 22) Yingyi Zhang, J. Nakano, Lili Liu, Xidong Wang and Zuotai Zhang*. Co-combustion and emission characteristics of coal gangue and low quality coal.
Read More
High Strength Glass-Ceramics Fabricated With Coal
2019-8-24 · the efficient management and full utilization of the coal gangue are urgent. The coal gangue has a high alumina content of ~30 wt% and a high silica content of ~62 wt%, and so is suitable for fabrication of the high strength glass-ceramics. In this work, we report the fabrication and the property of the glass-ceramics with the coal gangue as a ...
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煤矿井下机械动筛跳汰机模糊逻辑控制
2021-11-2 · coal gangue in movable sieve and the motor frequencyThe experiment results showed that the fuzzy logic control was found to be more efficient for stabilizing the gangue layer than other control system，which could avoid the destruction of gangue layer ...
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Study on the Failure Characteristics of Coal Wall Spalling ...
2020-12-14 · Coal wall spalling is one of the main factors restricting the safe and efficient mining of thick coal seam, and the gangue has an important impact on the coal wall spalling. To obtain the failure characteristics of coal wall spalling in thick coal seam containing gangue, numerical calculation and theoretical research were used to analyze the morphological differences of
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High efficiency coal gangue crusher coal gangue blog with ...
High efficiency coal gangue crusher coal gangue blog with large capacity in germany; high efficiency coal gangue crusher coal gangue blog with large capacity in germany The coal gangue crusher with crushing capacity of 10160 tons per hour is PFL vertical compound crusher This crusher is a new type of highefficiency crushing equipment developed in 1990s by introducing
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