DOI: 10.1080/15567036.2020.1772908 Corpus ID: 219918027; Effects of pulverized coal modification on rotary triboelectric separation @article{Ma2020EffectsOP, title={Effects of pulverized coal modification on rotary triboelectric separation}, author={Fangyuan Ma and Youjun Tao and Yushuai Xian and Mingze Zhang}, journal={Energy Sources, Part A: Recovery, …
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The electrostatic separator of different designs is also discussed in the literature. Chen [5], in his thesis, discussed the use of novel rotary triboelectric separator for upgrading the coal quality. In one of the design, the particles were charged in cyclone separator by frictional action and then fed into the active electric field region [16].
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DOI: 10.1016/J.POWTEC.2018.05.055 Corpus ID: 102547879; Research on flow field and kinematic characteristics of fly ash particles in rotary triboelectrostatic separator @article{Zhang2018ResearchOF, title={Research on flow field and kinematic characteristics of fly ash particles in rotary triboelectrostatic separator}, author={Ling Zhang and Youjun Tao and …
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4.4.2 Rotary Tribo-Electrostatic Separator. Rotary Tribo-electrostatic Separator (RTS) is an updated version of the triboelectric separator, which the University of Kentucky has been developed. Design improvements in this machine …
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The work evaluated the effects of surface modification on the rotary triboelectric … Expand. 13. Save. Application of Falcon centrifuge in the separation of siliceous phosphate ore ... an innovative rotary triboelectric separator (RTS) was used to enrich the macerals of … Expand. 9. Save. Study on separation of low-rank coal macerals in ...
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Rotary triboelectric separation of untreated low-rank coal indicated that the optimal separation, i.e., a vitrinite content of 65.45% and a recovery of 69.89%, was obtained at a feed …
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In this work, an innovative rotary triboelectric separator (RTS) was used to enrich the macerals of low-rank coal. The effects of friction wheel speed (A), separation voltage (B), and feed rate (C ...
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In this work, an innovative rotary triboelectric separator (RTS) was used to enrich the macerals of low-rank coal. The effects of friction wheel speed (A), separation voltage (B), and feed rate (C ...
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The rotary triboelectrostatic separator (RTS) used in this study is an innovative free-fall triboelectrostatic separator. ... Robust triboelectric nanogenerator based on rolling electrification and electrostatic induction at an instantaneous energy conversion efficiency of∼ …
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In this work, a novel laboratory rotary triboelectric separator was designed for the beneficiation of low-rank coal using polyvinyl chloride as the friction medium. The friction charge polarity of the different components in the low-rank coal was determined by charge-to-mass ratio measurements. The separation performance of the rotary ...
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The rotary triboelectric separator has been widely recognized for its high charging performance and separation efficiency [17,[23], [24], [25], [26]]. In our previous study, ash removal and quality enhancement of low-rank coal is accomplished by effectively removing hazardous trace elements (i.e., Cd, Cr, Pb, and Sb) utilizing a rotary ...
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To simulate the motion behavior of charged particles in the rotary triboelectric separation process, we constructed the FPF-ES coupling model based on the rotary triboelectric separator. As shown in Fig. 2(c), the red plate is the positive electrode, and the black plate is the negative electrode. In addition, the distance between the two ...
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Cleaning and upgrading of low-rank coal using a novel rotary triboelectric separator with the polyvinyl chloride as friction medium. Bin Yang, Lingtao Zhu, Jingfeng He, Bin Liu, ... Wenjie Tang. Article 130513 View PDF. Article preview.
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Semantic Scholar extracted view of "Cleaning and upgrading of low-rank coal using a novel rotary triboelectric separator with the polyvinyl chloride as friction medium" by Bin Yang et al. Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. Search 223,924,482 papers from all fields of science ...
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This paper studies particle motion and flow field characteristics with fly ash as an example and combine the experiments to analyze the separation process of rotary triboelectric …
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Rotary triboelectric separation of untreated low-rank coal indicated that the optimal separation, i.e., a vitrinite content of 65.45% and a recovery of 69.89%, was obtained at a feed …
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Rotary triboelectric separation of untreated low-rank coal indicated that the optimal separation, i.e., a vitrinite content of 65.45% and a recovery of 69.89%, was obtained at a feed rate of 1.5 g ...
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In this work, an innovative rotary triboelectric separator (RTS) was used to enrich the macerals of low-rank coal. The effects of friction wheel speed (A), separation voltage (B), and feed rate (C ...
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Figure 1: ST Equipment & Technology's Triboelectric Belt Separator. The principles of operation of the STET separator are illustrated in Figures 2 & 3. The particles are charged by the triboelectric effect through particle-to-particle collisions in the air slide feed distributor and within the gap between the electrodes. The applied voltage ...
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As shown in Fig. 5 (b)–L. Zhang et al. [106] developed a new type of rotary triboelectric separator for the recovery and utilization of fly ash [13]. They experimentally investigated the effect of different voltage conditions on the separation efficiency of fly ash. It is found that when the voltage applied is 24 kV, the yield of ash products ...
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The rotary triboelectric separator has been widely recognized for its high charging performance and separation efficiency [17,23–26]. Show abstract. Desilication of graphite ores helps to ensure their high-value applications. Surface modification and triboelectric separation methods were used to improve the desilication of graphite ore.
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Rotary Tribo-electrostatic Separator (RTS) is an updated version of the triboelectric separator, which the University of Kentucky has been developed. Design …
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DOI: 10.1080/15567036.2020.1781981 Corpus ID: 225711815; Study on internal flow field of rotary triboelectric separator based on CFD simulation: fly ash as reference sample @article{Ma2020StudyOI, title={Study on internal flow field of rotary triboelectric separator based on CFD simulation: fly ash as reference sample}, author={Fangyuan Ma and Youjun Tao and …
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For example, D. Tao (Tao et al., 2019) invented a free-falling rotary triboelectric separator, as shown in Fig. 22. Mixed minerals enter the electric generator through the feeder, and the ore particles are charged by friction with the rotating roller in the electrifying chamber, while being driven by the rotating roller to rotate.
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ABSTRACT This paper studied the macerals enrichment of the low-rank coal which produced by Shigetai Coal Mine, Shenhua Group. The coal sample fed to the Falcon were the product of the rod mill after 10 minutes grinding. Three factors were carried out, rotational frequency, feed rate and water pressure. The orthogonal experiment was designed to …
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Rotary triboelectric separation of untreated low-rank coal indicated that the optimal separation, i.e., a vitrinite content of 65.45% and a recovery of 69.89%, was obtained at a feed rate of 1.5 g ...
WhatsApp: +86 18221755073
In this work, an innovative rotary triboelectric separator (RTS) was used to enrich the macerals of low-rank coal. The effects of friction wheel speed (A), separation voltage (B), and feed rate (C ...
WhatsApp: +86 18221755073
In this work, a novel laboratory rotary triboelectric separator was designed for the beneficiation of low-rank coal using polyvinyl chloride as the friction medium. The friction charge polarity of the different components in the low-rank coal was determined by charge-to-mass ratio measurements. The separation performance of the rotary triboelectric separator was …
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Triboelectric separation is a type of electrical selection, which is defined from the way that particles are charged as tribo-charging. In addition to tribo-charging, particle charging also includes induced charging and corona charging, and these different charging mechanisms are shown in Fig. 1 [7, [11], [12], [13]]pared to induced charging and corona charging, …
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Rotary triboelectric separation of untreated low-rank coal indicated that the optimal separation, i.e., a vitrinite content of 65.45% and a recovery of 69.89%, was obtained at a feed rate of 1.5 g/s, a friction wheel speed of 3000 rpm, and a separation voltage of 30 kV. Under the optimum operating conditions, the optimal rotary triboelectric ...
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Rotary triboelectrostatic separator is employed to remove and recycle unburned carbon from fly ash which are main solid wastes of coal-fired power plants. ... Fig. 20 shows the forces and trajectories of carbon particles in a triboelectric separator. It can be seen that the main motion characteristics of carbon particles are movement in the ...
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ABSTRACT This paper studies particle motion and flow field characteristics with fly ash as an example and combine the experiments to analyze the separation process of rotary triboelectric separator in detail. Under boundary reference conditions of 22 kV plate voltage, 3 m/s feed flow, and 1815 r/min (189.95 rad/s) friction wheel speed, it simulated single-particle and particle …
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CFD simulation is carried out for the internal flow field of rotary triboelectric separator by Fluent software, analyzing effects of three factors on airflow field inside rotary triboelectric ...
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Triboelectric separation is an efficient, eco-friendly dry sorting method. Triboelectric mechanism involves electron, ion, and material transfer. Triboelectric separation …
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