tribocharging device for electrostatic separator

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Modeling and optimization of a propeller

Highlights Optimization of a new tribocharging device for granular materials Composite factorial experimental designs performed on ABS and HIPS granular wast Charge evaluated by electric field measurements at the surface of a granular layer Highly-efficient tribocharging by combined mechanical and aerodynamical effects Possible application: tribo-electrostatic separation of plastics from ....

Electrostatic separation of HIPS/ABS and HIPS/ABS

separation of HIPS, ABS-PC, and ABS originated from IT waste in the free-fall electrostatic separator, with prior tribocharging in a fluidized bed device The highest recovery rates and purities were obtained for balanced mixtures In the case of heavily unbalanced mixtures high recovery rate and purity close to were obtained for the...

Experimental Modelling of a New Tribo

Experimental Modelling of a New Tribo-electrostatic Separation Process for Mixed Granular Polymers Mohamed Fodil Boukhoulda , make use of vibrating or cyclone-like tribocharging devices [13-17] In several previous paper, the authors examined the , electrostatic separator built ,...

Modified tribo

Tribo-electrostatic separation is the solution of choice for the selective sorting of various plastics contained in a granular mixture This work is aimed at validating the efficiency of a modified compressed-air-operated tribo-charging device for the electrostatic separation of mixed granular plastics originating from industrial waste...

abstracts

Dr Adrian F MIHALCIOIU Contains biographical data & contact information for Dr Adrian Mihalcioiu His research topics / publications cover electrostatics, plasma, ecological engineering, system optimization Food for thought: A collection of famous / latin quotes and their English translation...

INTRODUCTION

INTRODUCTION Separation in high intensity electric fields was applied, for the first time, in industry in , tribocharging device and after that the charged particles are introduced in the electric field , Separation of muscovite on a roll-type electrostatic separator in one separation stage...

A Propeller

ing this tribocharger for the electrostatic separation of several mixtures of such materials II EXPERIMENTAL SETUP A Propeller-type tribocharging device Fig 1 Schematic representation of the propeller-type tribocharger and of the experimental setup The propeller-type tribocharger for granular insulating materials is presented in Fig 1...

Electrostatic separator

An electrostatic separator is a device for separating particles by mass in a low energy charged beam An example is the electrostatic precipitator used in coal-fired power plants to treat exhaust gas, removing small particles that cause air pollution Electrostatic separation is a process that uses electrostatic charges to separate crushed particles of material...

Electrostatic discharge

Electrostatic discharge (ESD) is the sudden flow of electricity between two electrically charged objects caused by contact, an electrical short, or dielectric breakdown A buildup of static electricity can be caused by tribocharging or by electrostatic induction...

US5289922A

A mixture of particles of plastic materials having different work functions is fed through a rotating tube The tube rotates about an axis which is inclined slightly to the horizontal The tube is of plastic or metallic material, preferably having a rib for stirring the mixture As the particles pass progressively down the length of the tube, the triboelectrically induced charge progressively ....

Electrostatic separators type EBS

magnetic, eddy current, electrostatic separators for extracting of metals from non-magnetic products and separating the materials according to their electrical properti We design and manufacture triboelectric and electrostatic , In the tribocharging device particles of polymers mix, due to the numerous encounters with each other and the ....

electrostatic separator

electrostatic separator,An electrostatic separator is a device for separating particles by mass in a low energy charged beam An example is the electrostatic precipitator used in coalfired power plants to treat exhaust gas removing small particles that cause air pollution Electrostatic separation is a process that uses electrostatic charges to separate crushed particles of material...

US6498313B1

An electrostatic separation apparatus or system is provided for separating a particle mixture into two constituent speci The system includes a distributor for differentially tribocharging the particle species forming the mixture and supplying the charged mixture to a plurality of electrostatic separation cells Each cell includes at least one separator having an inlet, a separation chamber ....

Experimental Study of an Inclined

Jul 22, 2018· Free-fall electrostatic separator is the most basic and a standard solution to separate insulators mixtur In this paper, an inclined configuration based on free-fall separator was studied , A, Medles, K, Miloudi, M, Dascalescu, L: Experimental comparative study of different tribocharging devices for triboelectric separation of ....

Triboelectric effect

The triboelectric effect causes an electrostatic charge to build up on the fur due to the 's motions The electric field of the charges results in a slight attraction of the light plastic pieces to the charged fur The triboelectric effect is also the cause of static cling in cloth...

Design and Test of a Novel F luidized

use of tribo-electrostatic separators This paper introduces a novel tribo-aero-electrostatic separator for granular plastic mixtures, characterized by: - a modular fluidized-bed tribocharging device, - two high-voltage electrodes of circular-sector shape to generate the electric field....

Paper 124

electrostatic separation process, 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 to larger quantities of collected products but improve the purity of the concentrat...

ELECTRICE

technologies for electrostatic separation, modelling of electrostatic processes, ozonizing technologies for liquids, biological effects of electric fields Master and Doctoral studies in Electrostatics Research and Development of experimental devices and industrial equipment using high-intensity electric fields...

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