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Concentration in mineral processing, also known as ore beneficiation or ore dressing, refers to the process of separating valuable minerals from the gangue or waste material to obtain concentrates. The …
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Although green energy gets most of the attention, a combination of various natural resources are used today to keep up with the heating and power demands of modern society. Until non-fossil fuel energy options become readily available and affordable, those looking to get into the energy industry may do well to find an oil well or oil rigs for sale. …
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The maximal Si concentration was dissolved when the coal gangue and plant ash were calcined at 700 °C. It was 2.53 and 30.83 times higher for the concentration of plant-available Si in the coal gangue calcined with plant ash compared to that with an equal amount of CaCO 3 or K 2 CO 3 treatments, respectively.
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Used 2,200 TPD Coke and Coal built in 1999. This gasification plant uses petroleum coke or coal coke to produce synthetic gas, which can be raw material for the manufacturing of many chemicals such as ammonia, methanol, hydrogen cyanide, etc., and fuel for electrical power plants. This complete plant includes coke handling system, gasification ...
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Get the most reliable coal preparation and handling for your next job. Visit our site or call (859) 263-8300 now for your free performance estimate. Call now to purchase or lease …
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The crushed coal gangue particles are widely used in solid backfilling. However, the nonuniform compaction and internal re-crushing behavior of crushed coal gangue under bearing stress have not yet been revealed in current research. But this is particularly significant for improving the filling effect and quality. In this article, with the aid of the …
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This paper proposes a modified YOLOv4 model, named GYOLO, for coal gangue recognition with the aim of reducing model parameters, improving calculation speed, and reducing equipment requirements. To achieve this, the paper optimizes the feature extraction network structure by using linear operation instead of traditional …
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An emerging "one stone, three birds" strategy was proposed to realize the value-added disposal of solid waste coal gangue (CG), the synthesis of superb adsorbent and the efficient decontamination of pollutants (i.e., dyes, heavy metals). In this process, the metal ions extrated from calcined coal gangue (CCG) was reconstituted by a one-step ...
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DOI: 10.1016/j.eti.2023.103416 Corpus ID: 264561857; Coal gangue geopolymers as sustainable and cost-effective adsorbents for efficient removal of Cu (II) @article{Mei2023CoalGG, title={Coal gangue geopolymers as sustainable and cost-effective adsorbents for efficient removal of Cu (II)}, author={Yijin Mei and Jin Pang and …
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Vast reserves. Strategic location. On-site processing. Direct from the source. 300 million tons of premium anthracite coal. Direct From the Source. This new operation on a …
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Model Power N Scale Blue Coal Depot #1506 Factory Sealed. Brand New. $10.50. 2 bids · 5d 15h. +$5.93 shipping. TrainJunkies Coal Power Plant Model Railroad Backdrop. Brand New. $79.95 to $99.95. Buy It Now.
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Coal gangue refers to the waste or by-product produced when coal is extracted from coal mines. These wastes usually include coal gangue (without valuable …
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Process Plant & Machinery Ltd. No. 2, Broomhouse Ind. Park. Dryfe Road. Lockerbie. DG11 2RF. United Kingdom. Contact. If you would like further information, please contact us through the following methods: +44 1576 205 895sales@ppml.
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This study focuses on the utilization of coal gangue aggregate in railway engineering for coal transportation passage. Coal gangue aggregate was employed as high-grade railway subgrade filler ...
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The pretreated coal gangue (PCG) could be obtained by fully grinding and mixing coal gangue and solid NaOH particles in a mass ratio of 1:0.6, and calcining in a muffle furnace at 750 C for 4 h. The pretreated coal gangue and NaAlO 2 in a mass ratio of 6:1 was completely mixed and the alkalinity was adjusted by a certain amount of solid
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The 2021 U.S. Prep Plant Census identifies a total of 227 prep plants, 210 processing bituminous coal and 17 processing anthracite. A total of 71 bituminous prep plants are currently sitting idle, which puts the number of active bituminous plants at 139, compared to 138 last year. Two prep plants were added (one active and one idle), …
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Simplicity 5x16 Wash Plant. $189,900 USD. Portable Simplicity 5 x 16 3 Deck Wash Plant, Plant S/N TXW516S-129, Screen S/N 3516-M95BSG-6614, Currently has a 42" x 30' under screen conveyor (soon to be converted), Chute for top... Condition. Used.
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Sorting coal and gangue is an important means to improve the heating capacity of coal, realize the graded sale of coal and maximize the production benefits of coal mines. At present, the sorting of coal and gangue is still mainly manual, but the manual sorting efficiency is low and labor intensity is high, so it is particularly important to develop a …
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The aim of this study was to prepare a Si-K-based amendment by coal gangue and plant ash and clarify its feasibility for improving the growth of maize plants in saline soils.The Si-K-based amendment was prepared by mixing the coal gangue and plant ash and calcining at 500–900 °C for 0.5–2.5 h. A pot experiment was carried out to assess the effects of Si …
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Data enhancement methods need to be carefully considered and studied for the widespread application of machine vision and deep learning in the mining field. Generative adversarial networks (GANs) prove successful at generating data. However, training a high-resolution image generation network depends on a large-scale dataset …
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ing mechanism blows the detected gangue into the gangue store to achieve coal–gangue separation. This study focuses on imaging and detecting coal and gangue. When collecting coal–gangue images, to avoid tar-get deformation, the line frequency of the camera and the speed of the conveyor belt should meet: VC C H ×VO LO (1)
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In practical underground production environments, low light intensity and the presence of dust can disrupt the recognition of coal and gangue. To advance the separation of coal and gangue in underground settings, this paper introduces a coal–gangue recognition approach (DG Module (DGM) + YOLOX-PSB) tailored for …
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Traditional Coal Gangue Separation Process and Equipment. Water washing and dry coal preparation are the main parts of coal preparation. Spiral separation, …
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Global rise in greenhouse gas emissions (GHG) is triggered mainly due to the consumption of fossil fuels for power generation and domestic usage. Among the fossil fuels, coal is a primary contributor to global GHG with substantial emissions generated during its mining and combustion process. Coal gangue, a residue produced during the …
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Despite various proposed algorithms predicated upon convolution neural networks to deal with coal–gangue detection under complex production, applying Transformer into the coal–gangue detection network has been rarely executed so far. Here, a lightweight CNN- and Transformer-based coal–gangue detection network is …
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This paper presents a model and instructions for a coal gangue detection method. The separation of coal and gangue is of great significance for environmental protection and efficient resource utilization. As science and technology continue to develop, coal sorting requires intelligent, information-based, and specialized approaches to accelerate the …
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DOI: 10.1016/j.mcat.2023.113732 Corpus ID: 265636536; Fabrication of dual-activated coal gangue-loaded nickel-based catalyst for dioctyl phthalate hydrogenation @article{Sun2024FabricationOD, title={Fabrication of dual-activated coal gangue-loaded nickel-based catalyst for dioctyl phthalate hydrogenation}, author={Yuzhe Sun and …
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1.2. Source and distribution of CG in China. CG is a kind of black gray shale rock produced in the process of coal production. China is the world's largest coal producer (Munir et al., 2020) and also the largest coal consumer.Coal provides about 62% of China's energy demand (Mita et al., 2015).In the process of sorting and processing, the production of …
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In this paper, LSX zeolite was synthesized in a sodium-potassium system through the traditional hydrothermal synthesis method with coal gangue in Wuhai area as raw material. The synthesized products were characterized by XRD, SEM, TEM, BET, IR and so on. The synthetic LSX zeolite was utilized to adsorb simulated wastewater …
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Coal gangue ratio had a great effect on the growth of L. perenne, M. sativa, and T. repens, which contributed to 49.9%, 17.4% and 10.3% of their variations, respectively. Soil reconstruction mode of 30% coal gangue ratio and 5-8 mm coal gangue particle size was the best condition for plant growth, indicating that coal gangue could …
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