Triboelectric separation is an efficient, eco-friendly dry sorting method. Triboelectric mechanism involves electron, ion, and material transfer. Triboelectric separation …
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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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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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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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Pulverized coal is separated by rotary triboelectric separation to confirm the best charger rotary speed, separation voltage, and airflow velocity. On this basis, pulverized coal surface is modified by studying four modifiers to explore the effect of pulverized coal surface modification on permittivity, specific-charge, and separation indices ...
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The STET electrostatic separator uses triboelectric charging to efficiently separate materials based on their differing electron affinities. Read More.
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Cleaning and upgrading of low-rank coal using a novel rotary triboelectric separator with the polyvinyl chloride as friction medium
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In this work, an innovative rotary triboelectric separator (RTS) was used to enrich the macerals of … Expand. 9. 1 Excerpt; Save. Cavitation nanobubble enhanced flotation process for more efficient coal recovery. ... The work evaluated the effects of surface modification on the rotary triboelectric … Expand. 13. 1 Excerpt; Save.
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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 …
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 ...
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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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Abstract The improvement of vitrinite content in low-rank coal can enhance liquefaction efficiency. In this work, an innovative rotary triboelectric separator (RTS) was used to enrich the macerals …
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The improvement of vitrinite content in low-rank coal can enhance liquefaction efficiency. In this work, an innovative rotary triboelectric separator (RTS) was used to enrich …
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 …
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Cleaning and upgrading of low-rank coal using a novel rotary triboelectric separator with the polyvinyl chloride as friction medium. Fuel ... Effective decarbonization of coal-series kaolin by triboelectric separation based on different motion behaviors 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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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, 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
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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Dry coal fly ash cleaning using rotary triboelectrostatic separator. Min Sci Technol, 19 (5) (2009), pp. 642-647. View PDF View article View in Scopus Google Scholar [15] China National Standardization Management Committee. GB/T 1596-2005, Fly ash used for cement and concrete. China Standards Press, Beijing (2008)
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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 ...
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 ...
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 ...
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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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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
Abstract The improvement of vitrinite content in low-rank coal can enhance liquefaction efficiency. 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) of RTS on the macerals enrichment were investigated, and the interactions of the three factors ...
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Chen, Jinxiang used a new rotary triboelectrostatic separator (RTS) for fine coal separation to predict the separation efficiency of RTS from the tribocharging and separation conditions [18]. Noureddine Bouhamri et al. designed a rotary disk electrode friction separator, which has a good separation effect on 100 μm micro-pulverized particles [19].
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The STET separator is a parallel-plate electrostatic separator, with the electrode plates oriented horizontally rather than vertically, as is the case in most parallel-plate separators. Additionally, the STET separator performs particle tribo …
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The rotary triboelectric separation (RTS) technique has the advantages of low environmental pollution and energy consumption without the usage of water and reagents. ... YOUJUN T, LING Z, DONGPING T, et al. Effects of key factors of rotary triboelectrostatic separator on efficiency of fly ash decarbonization[J]. International Journal of Mining ...
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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 triboelectric separator was …
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Dodbiba et al. studied the effect of particle size influencing the effectiveness of triboelectric separator. Considering the forces acting on a charged particle of spherical shape, ... Rotary blades can be operated in an intensive speed, since it is an enclosing chamber. As it is not continuous, the residence time can be optimized and the ...
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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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The triboelectric separator can ... and investigated the effects of major process parameters on particle charging and phosphate separation efficiency using rotary triboelectrostatic separator [27
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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 ...
WhatsApp: +86 18221755073
