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Influence of different sources of coal gangue used as aluminosilicate powder on the mechanical properties and microstructure of alkaliactivated cement. B. J. Frasson, R. C. A. Pinto, J. C. Rocha * Civil Engineering Department, ValoRes Waste Materials and Development of Sustainable Materials Laboratory, Federal University of Santa Catarina, Florianópolis (Brazil) *
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Coal gangue is not just solid waste, but also has the potential to yield useful energy. In China, a mining group and a local power plant power plant joined forces with a local university to look at ways to recycle coal gangue to improve the revenue, cut down on resource utilization, and reduce environment pollution.
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In this paper, slag is used as a calcium source to make alkaliactivated coal gangue–slag (AACGS) based material. The reaction mechanism of AACGS materials was discussed in depth by means of XRD, FTIR, 29 Si MASNMR (nuclear magnetic resonance) and SEMEDS (energy dispersive spectrometer). The experimental results show that coal gangue can be used as a raw material for preparing alkali
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The utilization of coal gangue in power plants has become a new anthropogenic discharge source of mercury and attracted much concern in China. It is crucial to obtain the information about the mercury release during thermal treatment of coal gangue. In this study, the mercury release behavior of two coal gangues selected from two power plants were studied under different thermal treatment
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Coal gangue is a solid waste discharged during coal mining and washing, the pozzolanic reactivity of which can be improve under appropriate activated method . The main mineral phases of kaolinitebased coal gangue is kaolinite. At present, research on geopolymer directly manufactured from coal gangue is extremely scarce. Composite cementitious materials based on red mud and coal gangue
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PDF | Recognition and separation of Coal/Gangue are important phases in the coal industries for many aspects. This paper addressed the topic of | Find, read and cite all the research you need
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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 theory, identifiably
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The source of coal gangue: Coal gangue is the general term of solid waste materials coming from coal mine construction, coal production process widely common in the construction, development diving, coal mining and coal washing process with exhaust carbon rock. Three aspects of coal gangue source . 1. Rock roadway drivage generated when the coal gangue, commonly referred to as the ore gangue
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coal and gangue images on the basis of existing greyscale distributions. Hobson [2] developed an image processing algorithm to investigate the surface texture properties of coal and gangue and, further, distinguished coal and gangue on the basis of the di erences in
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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 theory, identifiably
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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 protection. In this study, highsilica SSZ13 was synthesized by onestep hydrothermal synthesis from coal gangue without the traditional pretreatment methods of hightemperature roasting and alkali melting, making it more
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5 Coal gangue is used to generate electricity Coal gangue contains carbon hydrogen oxygen and other calorific components Using coal gangue to generate electricity is an important way to realize the comprehensive use of coal gangue . Image Recognition of Coal and Coal Gangue Using a. Recognizing and distinguishing coal and gangue are essential in engineering such as in coalfired
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While coal is the major power source around the globe, gangue is unwanted in power plants. Thus, separating gangue from coal is a crucial part in the preprocessing step of mining.
WhatsApp Synthesis of calcined coal gangue. Calcined coal gangue (CCG) was prepared by thermal treatment of raw coal gangue at 550 ℃ for 3 h in N 2 atmosphere with a heating rate of 10 ℃/min. The final black powder was washed by ethanol and deionized water for several times, and then dried in an oven at 60 ℃ overnight.
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The Price Of 10th Coal Gangue Crusher From FTM Machinery. 10t/h Coal Gangue Crusher Price Of FTM Machinery The development status of coal gangue. As china main energy source, coal plays an extremely important role in social and economic development, and coal gangue is the solid waste emitted in the process of . View Details Send Enquiry
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Recognizing and distinguishing coal and gangue are essential in engineering, such as in coalfired power plants. This paper employed a convolutional neural network (CNN) to recognize coal and
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The Price Of 10t/h Coal Gangue Crusher From FTM Machinery. 10t/h Coal Gangue Crusher Price Of FTM Machinery The development status of coal gangue. As china s main energy source coal plays an extremely important role in social and economic development and coal gangue is the solid waste emitted in the process of coal mining and washing process.
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10th coal gangue crusher price of ftm machinery the development status of coal gangue as chinas main energy source coal plays an extremely important role in social and economic development and coal gangue is the solid waste emitted in the process of coal mining and washing process. Welcome to visit us! [email protected] Home; About Us; Products; Solutions; Contact; Home; About Us; Products
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Recognizing and distinguishing coal and gangue are essential in engineering, such as in coalfired power plants. This paper employed a convolutional neural network (CNN) to recognize coal and gangue images and help segregate coal and gangue. A typical workflow for CNN image recognition is presented as well as a strategy for updating the model parameters.
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· Longterm deposition of coal spoil piles may lead to serious pollution of soil and water resources in the dumping sites and surrounding areas. Karst aquifers are highly sensitive to environmental pollution. In this study, the occurrence and release/mobilization of polycyclic aromatic hydrocarbons (Ps) in coal waste and coal spoils fire gas mineral (CSFGM) were evaluated by field
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The accumulation of coal gangue not only takes up a great volume of soil, but also pollutes air, soils, and water sources (Pan et al., 2005). Since the utilization rate of coal gangue is about 40% in China at present, the accumulated volume of this mineral continues to grow at a rate between billion tonnes and billion tonnes per year ( Yang and Lou, 2003 ).
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Coal will still be the main energy source in China''s energy structure in the next 30 years. 1 China raw coal output was about 34 billion tons in 2017. Coal mining and washing are the main process of coal gangue production. It accounts for 10%‒15% of the coal composition.
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providing silicon source and aluminum source. Our previous study showed that coal gangue could be used as the additive to synthesize the ceramic proppant applied in coal bed methane (CBM) well. [9] In this work, the coal gangue was originally exploited as the main raw material to replace part of the
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While coal is the major power source around the globe, gangue is unwanted in power plants. Thus, separating gangue from coal is a crucial part in the preprocessing step of mining. With the development of the computational technologies, it is possible to find one way to enhance the effect of gangue
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