Results 101 to 110 of about 309,554 (217)
Air-blowing experiment of coal and gangue
Gong-kuang zidonghua, 2014 The influence of belt speed, air pressure and selection number on the rate of mixed gangue and rate of separated gangue was researched by orthogonal experiment method and using separation device with air-blowing method, and the experiment results were analyzed by regression and variance analysis.
ZHAO Haifang, CHEN Ying
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Coal Gangue Utilization: Applications, Challenges, and Sustainable Development Strategies
Coal gangue is a kind of typical by-product emitted during the coal mining and washing process. With the increase in coal resource utilization, a large amount of coal gangue was not reasonably utilized, causing environmental pollution and resource waste.
Lianfei Xu +8 more
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Research on Coal Gangue Being Backfill Material in Taiyuan Region
, 2011 Taiyuan is a city with more moutains, less loess resource and abundant coal gangue. This paper studied the feasibility of turning coal gangue into filling in Taiyuan region, based on successful experience home and abroad.
Li Fang Wang +3 more
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Progress in the Modification and Utilization of Coal Gangue
MineralsCoal gangue, the primary solid by-product of coal mining, presents severe environmental challenges due to massive accumulation. At the same time, it represents potential as a secondary resource if properly utilized. This review systematically summarizes the mineralogical characteristics, modification strategies, and utilization pathways of coal gangue.
Xingyu Lu +5 more
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, 2020 Properties of rock-cemented coal gangue-fly ash backfill (CGFB) bimaterials determine the effects of strip CGFB mining on controlling the surface subsidence in coal mines, which are affected by the coal gangue particle size in CGFB.
Libo Zhang +5 more
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Coal-gangue image classification method
Gong-kuang zidonghua, 2020 For problems that traditional coal-gangue separation methods such as manual separation method, mechanical wet-separation method, γ-ray separation method and so on could not give consideration to high efficiency, safety and easy operation, a coal-gangue image classification method based on machine vision was proposed.
RAO Zhongyu, WU Jingtao, LI Ming
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PLoS ONETo address the environmental hazards caused by coal gangue waste, coal gangue concrete (CGC) has been proposed as a solution. However, due to its porosity and low strength, CGC faces numerous challenges in practical applications.
Qingwen Li +7 more
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Evaluation for the Leaching of Cr from Coal Gangue Using Expansive Soils
, 2019 Coal gangue can cause significant heavy metal pollution in mining areas, which would have a negative impact on the environment and human health. The objective of this research is to investigate the relationship between expansive soil amount and the ...
Yan Zhang, Rong Zhao, Hassan Baaj
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Extraction method of texture feature of images of coal and gangue
, 2017 In view of problems of less extraction feature parameters and low recognition precision existed in image processing methods of coal and gangue, an extraction method of texture feature of images of coal and gangue fused with local binary pattern and gray ...
XU Yunjie, LIU Bin, XU Yan, MI Qiang
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Mineral occurrence and acid leaching characteristic of aluminum for coal gangue in Shanxi Province
Meitan kexue jishuShanxi Province, a major coal-producing region in China, generates a substantial amount of industrial waste (such as coal gangue) during coal mining and washing processes.
Longyi ZHAO +6 more
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