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This work is aimed the optimization of a new process of electrostatic separation of micronized isolating materials mixtures, with application at the recycling of waste electrical and electronic …
The electrostatic separator was a TEP System, Tribo Flow Separations. Barakat et al. (2015) Sunflower oil cakes (SOC) D50 = 69.5 μm: Charging line: N/A: N/A: 10 kV: Protein increased from 30.8% to 48.9%: Feeding system: 150 rpm: The electrostatic separator was a TEP System, Tribo Flow Separations. Basset et al. (2016) Rapeseed oil cakes (ROC ...
This paper is aimed to the description of a new tribo-electrostatic separation process where the top part of the separator is constituted by two coaxial electrodes and the bottom part comprises ...
Fig. 3. Photography of the tribo-electrostatic roll-type separator : 1. Tribo-charging device; 2. Vibratory elec-tromagnetic feeder; 3. Grounded electrode; 4. High-voltage electrode; 5. Three-compartment collector. The recovery and purity of of the PP product were calculated as follows: 1 1 2 3 Re 100PP B PP B PP B PP B m cPP m m m = × + + (1 ...
The tribo-aero-electrostatic separator achieves the selective sorting of mixed granular insulating materials in a fluidized bed affected by an electric field orthogonally oriented to the direction ...
The tribo-charged particles are therefore attracted by the opposite polarity electrode and recovered in the collector that is placed under the separation tower. The working principle of this separator is almost similar with the free-fall tribo-electrostatic separator for which the electrodes are of rectangular shape, while. Experimental analysis
Electrostatics and High Voltage Research Unit, IRECOM, University Djillali Liabes,22000 Sidi-Bel-Abbes. Algeria ... electrostatic processes, image processing, triboelectricity, recycling, waste recovery I. ... The upper section of the set-up is a tribo-aero-electrostatic separator that consists in a parallelepiped enclosure (height: 500 mm ...
The characteristic of a new tribo-aero-electrostatic separator [25], [26] is that the tribocharging of granules occurs in a rectangular-crosssection fluidized bed, two opposite walls of which ...
Several laboratory and pilot-plant experiments have confirmed the high efficiency of a recently patented installation, the tribo-aero-electrostatic separator, which combines in one unit a ...
Fig. 3. Photography of the tribo-electrostatic roll-type separator : 1. Tribo-charging device; 2. Vibratory elec-tromagnetic feeder; 3. Grounded electrode; 4. High-voltage electrode; 5. Three …
In this separator, the granular mixtures are tribocharged in a rotating-cylinder-type device, then fed onto the Plexiglas plate of a vibrating table and subjected to an electric field created …
Custom-designed fluidized bed electrostatic separators ( Bilici et al. 2011;Dascalescu et al. 2011) and tribo-aero-electrostatic separators could also be employed for the separation of both mm-and ...
Optimization of Parameters for Fluidized Bed-Type Tribo-Electrostatic Separation of End-of-Life Vehicle Waste Polymer Particles by Response Surface Methodology ... Natural …
The performances of the tribo-electrostatic separation process (60% to 85% of each plastic was recovered at purities higher than 85%) could be further improved by increasing the residence time of ...
Post-consumer waste processing is a difficult task for organizational and technical reasons and necessitates a need to develop new solutions ... Spinning electrode separators are high voltage drum (roller) or belt separators. ... 2021. "Tribo-Electrostatic Separation Analysis of a Beneficial Solution in the Recycling of Mixed Poly(Ethylene ...
High voltage power supply: ... Mineral processing: They are commonly used for the separation of minerals based on their electrical properties, ... Some key benefits of using electrostatic drum separators include: High separation efficiency, particularly for materials with differing electrical properties;
Semantic Scholar extracted view of "Separation of the coal-quartz mixture using tribo-electrostatic separator: Effect of surface pretreatment" by S. Mohanta et al. ... Chemical Engineering and Processing - Process… 2023; 11. Save. Purity prediction of the two‐stage high voltage electrostatic separation of a mixture of three polymers ...
A tribo-aero-electrostatic separator has been recently patented for the selective sorting of granular plastics mixtures generated during the recycling of waste electrical and electronic equipments (WEEE). The plastics are tribo-charged in a parallelepiped fluidized bed device, two opposite walls of which being the electrodes that generate the electric field that …
Factors that influence the efficiency of a fluidized-bed-type tribo-electrostatic separator for mixed granular plastics. L Dascalescu 1,3, O Fati 1, M Bilici 1,2, ... the input variables being the high-voltage applied to the electrodes and the duration of the tribocharging. Higher voltages applied to the electrode system do not necessarily lead ...
The trajectories of the insulating particles in roll-type corona-electrostatic separators depend on the configuration of the electrode system, the applied high voltage, the roll speed, the size of ...
The tribo-electrostatic separation has been widely studied in view of many different industrial applications [1-3], including the recycling of granular plastic wastes [4-6]. A novel tribo-aero-electrostatic separator was designed [7] to avoid the drawbacks of classic tribo-charging separation by the simultaneous usage of
Electrostatic separation is a generic term given to a significant class of technologies of industrial waste processing, widely used for the sorting of granular mixtures due to electric forces ...
Developing a system to produce electrical potential by tribo-charging was studied. • In electrostatic separators, electrical field is produced by transformers. • New system produces continuous electrical charge by tribo-charging. • The effect of belt type, belt speed, roll type and brush width were investigated. •
Tribocharging is a prerequisite for high-voltage electrostatic separation of polymer particles. In this study, the movement of polymer particles was investigated on the basis of a friction barrel ...
Processing plastics from ASR/ESR waste: separation of poly vinyl chloride (PVC) by froth flotation after microwave-assisted surface modification. ... Experimental investigation of a roll-type tribo-electrostatic separator for granular waste plastics. 2017, 1-5. ... Experimental study of a modified dual-type high-voltage electrode for ...
Custom-designed fluidized bed electrostatic separators Dascalescu et al. 2011) and tribo-aero-electrostatic separators could also be employed for the separation of both mm-and sub-mm-size granular ...
The gravity-based techniques are inefficient in processing fine coals while the response to the tribo-electrostatic separator is highly encouraging [13], [14], [15]. In a tribo-electrostatic separation process, particles are triboelectrically charged by contact with other particles or a third material and then separated by an electric field.
The objective of this work was to analyze the behavior of good conducting granules in a newly designed plate-type electrostatic separator. Commercial software was employed for the numerical analysis of the electric field generated by an original electrode configuration. This enabled the evaluation of the electric charge and forces on conducting …
Tribo-electrostatic separation2.3.1. Materials used in the tests. The plastics mixture used in the initial study of tribo-electrostatic separation consisted of PP and HDPE. These …
the fluidized bed of the tribo-aero-electrostatic separator, and a static charger, including slanted and detachable walls, with the same dimensions of those of the installation in Fig. 1. The specificity of the sliding-type device is the ability to change the granular material due to repeated contacts with the walls.
