Results 11 to 20 of about 2,675 (183)

Experimental Study on the Characteristics of Activated Coal Gangue and Coal Gangue-Based Geopolymer

open access: yesEnergies, 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   +5 more
doaj   +2 more sources

Design of separation system of coal and gangue

open access: yesGong-kuang zidonghua, 2018
In view of problems of high cost, high consumption of natural resources and serious environmental pollution existed in common coal preparation methods and X-ray coal preparation method was easy to occur identification errors for different thickness of ...
YANG Huigang   +4 more
doaj   +2 more sources

Coal Gangue Ecological Matrix Coupled with Microalgae for Soil Improvement and Plant Growth in Reclaimed Mining Areas [PDF]

open access: yesBiology
Coal gangue, a primary byproduct of coal mining, causes significant environmental harm due to its improper utilization. This research proposes integrating microalgae with coal gangue-derived ecological products to improve soil conditions in ecologically ...
Shuyu Yu   +6 more
doaj   +2 more sources

Hydrothermal Synthesis of LaCoO3 Perovskite Catalyst and Its Application for the Degradation of Phenol under Visible Light [PDF]

open access: yesIranian 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]

open access: yesIranian 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

Identification Method of Coal and Coal Gangue Based on Dielectric Characteristics [PDF]

open access: yesIEEE Access, 2021
To solve the problems of the difficult feature extraction, poor feature credibility and low recognition accuracy of coal and gangue, this paper utilizes the difference in the dielectric properties of coal and gangue and in combination with a support vector machine (SVM) to propose a recognition method based on the dielectric characteristics of coal and
Yongcun Guo   +4 more
openaire   +2 more sources

Recognition Methods for Coal and Coal Gangue Based on Deep Learning [PDF]

open access: yesIEEE Access, 2021
Recognizing coal and coal gangue is an important part of the coal industry and is mainly conducted via human sorting at present. Consequently, considerable manpower is needed, which adds a burden to enterprises and results in low efficiency. As an important branch of artificial intelligence, deep learning has been widely applied in many fields ...
Qiang Liu 0054   +3 more
openaire   +2 more sources

Experimental platform for coal gangue sorting robot based on image detection

open access: yesGong-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

X-ray transmission intelligent coal-gangue recognition method

open access: yesGong-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   +1 more source

A performance study of hydrophobically modified coal gangue mortar

open access: yes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

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