Results 31 to 40 of about 801 (207)
, 2021 High efficiency slime water settlement is very important for ensuring washing water recycling in coal preparation plants. In order to improve the sedimentation of coal slime water, an iron ion-based coagulant was prepared by titanium ion complexation ...
Yang Li +4 more
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Research on Optimization Experiment of Preparing 13X Molecular Sieve
Kuangchan zonghe liyong, 2022 Coal slime was a solid waste generated from raw coal washing, with large output and serious harm. The 13X molecular sieve was prepared from Huangling coal slime by alkali fusion-hydrothermal method. Through orthogonal experiments, it was found that n(H2O/
Yucheng Si, Tao Wu
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Influence of grinding methods on the preparation of ultra-clean coal from slime
, 2022 This study discusses the technology of coal slime recovery for preparing ultra-clean coal (UCC). X-ray diffraction analysis (XRD) and scanning electron microscopy combined with energy dispersive spectroscopy (SEM-EDS) were used to analyze the ...
Zhuo, Qiming +3 more
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Coal recovery from coal washing plant tailings with Knelson concentrator [PDF]
, 2022 Due to the increasing technology, the energy requirement is also increasing, this situation causes rapid depletion of our underground resources. In such a case, the efficiency of coal washing plants should be increased.
Ciftci, Hakan +3 more
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Experimental Study on Deashing of High Ash and Refractory Coal Slime by Classification Flotation
Kuangchan zonghe liyong, 2022 Aiming at a certain coal slime in Guizhou, the yield rate of -0.074mm class is 54.19%, the ash content is 40.55%, the yield rate of -0.045 mm class is 40.38%, the ash content is 40.79%, and contains a lot of pearl clay, Clay minerals such as kaolinite ...
Tianshen Lu +3 more
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Research on preparation and properties of porous ceramsites sintered with high-ash coal slime
, 2023 In order to realize the resource and harmless utilization of high-ash coal slime in coal preparation plants, porous ceramsites were prepared by the high-temperature sintering method with coal slime as raw material. The influences of sintering temperature,
Wenbao Lv +5 more
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Analysis on methane production from various coal slime fermentations based on metagenomics
, 2023 Metagenomic sequencing technology was applied to evaluate differences in the anaerobic fermentation process of coal slimes by analyzing microbial diversity, functional activity structure, and cooperative relationship during the anaerobic fermentation of ...
Chen, Zhenhong +6 more
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Study on Dispersion and Mixing Mechanism of Coal Slime Particles in Jet Mixing Flow Field
, 2022 The jet flow field is characterized by the dispersion and mixing of multiphase flow, which is widely used in the field of coal slime flotation. In this paper, the behavior of coal slime surface modification, the behavior of material suspension and the ...
Chuanchuan Cai +7 more
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Magnetic seeding sedimentation (MSS) of coal slimes
IOP Conference Series: Earth and Environmental Science, 2017 Magnetic seeding sedimentation (MSS), i.e. adding magnetic seeds and pre-magnetization for sedimentation, is a technique especially for sedimentation of fine slimes, improving the sedimentation performance by introducing the magnetic interactions between particles in a suspension and enlarging the apparent size of the fine particles.
Xiqing Wu, Tao Yue, Liang Dai
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Coal slime flotation foam image classification method based on semi-supervised clustering
Gong-kuang zidonghua, 2019 In order to solve problems of subjectivity, hysteresis and extensiveness existed in reagent amount addition of coal slime flotation in coal preparation plant depended on manual intervention, a coal slime flotation foam image classification method based ...
CAO Wenyan +4 more
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