Experimental Study on the Characteristics of Activated Coal Gangue and Coal Gangue-Based Geopolymer
Energies, 2020 Coal gangue-based geopolymer (CGGP) is one of the hot spots existing in the recycling of coal gangue resources due to its good comprehensive mechanical properties.
Weiqing Zhang, Peng Huang, Chaowei Dong
exaly +5 more sources
X-ray transmission intelligent coal-gangue recognition method
Gong-kuang zidonghua, 2022 The coal-gangue image recognition is an important part of coal-gangue separation technology based on pseudo dual energy X-ray transmission (XRT). However, it is difficult to segment the coal-gangue image due to the close proximity or occlusion of coal ...
WANG Wenxin +4 more
doaj +2 more sources
Study on the Failure Characteristics of Coal Wall Spalling in Thick Coal Seam with Gangue
Advances in Civil Engineering, 2020 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.
Guosheng Li +3 more
doaj +2 more sources
Research progress and key technologies of intelligent coal-gangue sorting robot
Gong-kuang zidonghua, 2022 The gangue is wrapped by slurry in underground coal mine, which causes difficult coal-gangue recognition and sorting. The underground working space is narrow, so the equipment layout is difficult, and the diversion of coal-gangue is difficult. Therefore,
ZHANG Ye +5 more
doaj +2 more sources
Scientific Reports, 2023 In order to deeply study the basic characteristics, diffusion laws, and flow laws of coal gangue and coal gangue slurry, the basic characteristic parameters of coal gangue and coal gangue slurry were obtained through particle size distribution test ...
Ji-qiang Zhang +5 more
doaj +2 more sources
Hydrothermal Synthesis of LaCoO3 Perovskite Catalyst and Its Application for the Degradation of Phenol under Visible Light [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2023 In this study, a series of LaCoO3 perovskite catalysts with varying calcination temperatures were synthesized hydrothermally, and their structure, morphology, and optical properties were investigated using X-Ray powder Diffraction (XRD), Scanning ...
Ziyan Niu +13 more
doaj +1 more source
Effect of Small Molecule Compounds on the Pyrolysis Behavior of Coal [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2022 The effect of small molecule compounds on the pyrolysis behavior of coal is discussed by comparing TG and DTG curves of Yanzhou coal and its tetrahydrofuran (THF) extracted residual in this paper. Based on the thermal gravimetric analysis of Yanzhou coal
Yingchun Wang +9 more
doaj +1 more source
Experimental platform for coal gangue sorting robot based on image detection
Gong-kuang zidonghua, 2023 Currently, coal gangue pre-sorting is still mostly done manually, with high labor intensity, low sorting efficiency, and safety hazards. Using coal gangue sorting robots to replace manual coal gangue pre-sorting is an effective way to ensure the health ...
LI Sanxi +4 more
doaj +1 more source
A performance study of hydrophobically modified coal gangue mortar
矿业科学学报, 2022 Coal gangue has the characteristics of complex physical and chemical properties, low strength, loose and porous, which limit its extensive use in building materials.
Xu Wei +4 more
doaj +1 more source
Study on mechanical properties and microstructure of steel-polypropylene fiber coal gangue concrete
Frontiers in Materials, 2023 Incorporating coal gangue into the concrete matrix can realize the utilization of solid waste and reduce the use of natural aggregate. To improve the mechanical properties of coal gangue concrete, this paper designs four-level and four-factor orthogonal ...
Jiuyang Li +5 more
doaj +1 more source