tribocharging device for electrostatic separator

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Experimental Investigation of Electrostatic Separators of ,
Experimental Investigation of Electrostatic Separators of ,

Sep 26, 2013· Tribo-electrostatic separation is a clean technology that enables the recycling of plastics contained in granular waste of electric and electronic equipment (WEEE) The granules are first charged using a tribocharging device and then separated in a horizontal intense electric field generated between two vertical electrodes energized with two high-voltage supplies of opposite polariti...

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Experimental Comparative Study of Different Tribocharging ,
Experimental Comparative Study of Different Tribocharging ,

the fluidized bed device is slightly more efficient compared to the propeller and rotating tube tribochargers IV CONCLUSION Triboelectrostatic separation is considered as an effective way for sorting different plastics in the recycling industry The comparative study of five tribocharging devices ,...

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i) Conductive Drum Separators
i) Conductive Drum Separators

1232 “Electro-Static” Electrostatic Separators The first electrostatic separators for commercial use employed the principle of contact electrification and they were of this “electro-static” type These separators were the free-fall plate devices in which charged particles would fall between two near-vertical plat An electric field was...

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A basic triboelectric series for heavy minerals from ,
A basic triboelectric series for heavy minerals from ,

A BASIC TRIBOELECTRIC SERIES FOR HEAVY MINERALS 129 Introduction Electrostatic separation is used in many heavy mineral sand operations for the separation of minerals, particularly where , contacted together in a tribocharging device Data for the positive and negative polarity separation of...

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The chemical enhancement of the triboelectric separation ,
The chemical enhancement of the triboelectric separation ,

Coal particle entrainment is achieved with gaseous carbon dioxide and particle collection is accomplished by an electrostatic plate separator The triboelectric separation device incorporates instrumentation for the direct measurement of charge in the dilute-phase particle stream...

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(PDF) Tribocharging of Mixed Granular Plastics in a ,
(PDF) Tribocharging of Mixed Granular Plastics in a ,

1922 IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, VOL 47, NO 4, JULY/AUGUST 2011 Tribocharging of Mixed Granular Plastics in a Fluidized-Bed Device Ciprian Dragan, Ovidiu Fati, Mirela Radu, Laur Calin, Adrian Samuila, and Lucian Dascalescu, Fellow, IEEE Abstract—The output of any electrostatic separation process is strongly dependent on the effectiveness of particle charging...

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Electrostatic discharge - Wikipedia
Electrostatic discharge - Wikipedia

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...

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Triboelectric effect - Wikipedia
Triboelectric effect - Wikipedia

The triboelectric effect (also known as triboelectric charging) is a type of contact electrification on which certain materials become electrically charged after they are separated from a different material with which they were in contact Rubbing the two materials each with the other increases the contact between their surfaces, and hence the triboelectric effect...

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Optimization of Belt-Type Electrostatic Separation of ,
Optimization of Belt-Type Electrostatic Separation of ,

The aim of the present work is to optimize the design and the operation of such an installation, composed of a belt-type electrostatic separator associated to a propeller-type tribocharging device The experimental design method is employed for modeling and optimizing the separation of a mixture of high-impact polystyrene and acrylonitrile ....

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Quantum Mechanics Electrostatic discharge - IDC-Online
Quantum Mechanics Electrostatic discharge - IDC-Online

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

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SHGHYLFH - IOPscience
SHGHYLFH - IOPscience

optimum operation of this device, ie propeller speed v = 3533 RPM and duration t = 40 s of the tribocharging, has been established based on the experimental data reported in a previous paper [9] Figure 1 Schematic representation of the belt-type tribo-electrostatic separator (a) and of the propeller-type tribocharging device (b)...

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Roll-type versus Free-fall Electrostatic Separation of ,
Roll-type versus Free-fall Electrostatic Separation of ,

[14-18] Such separators comprise a tribocharging unit, an electrostatic field zone, and several collecting bins for the pure and middling products (Fig 1) The granular materials to be separated are introduced in the tribocharging device, where they acquire either positive or negative charge, due to...

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Beneficiation of Bauxite Minerals Using a Triboelectric ,
Beneficiation of Bauxite Minerals Using a Triboelectric ,

The benchtop separator is used for screening for evidence of tribo-electrostatic charging and to determine if a material is a good candidate for electrostatic beneficiation The primary difference between the benchtop separator and pilot-scale and commercial-scale separators is that the length of the benchtop separator is approximately 04 ....

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Triboelectrification of Granular , - Electrostatic Answers
Triboelectrification of Granular , - Electrostatic Answers

tribocharging process, or as an “integrated” module of a free-fall electrostatic separator B Experimental Set-up The experimental set-up consists of the Vibratory Tribocharging Device, and a free fall electrostatic separator, energized from a high voltage supply (50 kV, 03 mA) The...

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Tribocharging and electrostatic separation of mixed ,
Tribocharging and electrostatic separation of mixed ,

Granular materials, when fluidized by air or other gaseous medium, acquire electrostatic charge by inter-particle and particle-wall collisions The effectiveness of particle tribocharging achieved with such fluidization process is crucial for establishing the feasibility of electrostatic separation of mixed granular solid wastes in the recycling industry...

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Tribocharging and electrostatic separation of mixed ,
Tribocharging and electrostatic separation of mixed ,

Granular materials, when fluidized by air or other gaseous medium, acquire electrostatic charge by inter-particle and particle-wall collisions The effecti Tribocharging and electrostatic separation of mixed granular solids in fluidized bed devices - IEEE Journals & Magazine...

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Triboelectric effect - Wikipedia
Triboelectric effect - Wikipedia

The triboelectric effect is very unpredictable, and only broad generalizations can be made Amber, for example, can acquire an electric charge by contact and separation (or friction) with a material like wool This property was first recorded by Thales of Miletus...

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electrostatic separation aero - socialmediapmnl
electrostatic separation aero - socialmediapmnl

Tribocharging techniques for the electrostatic separation 2018-6-16 electrostatic, or other physical processes (Jirang and Forsaberg 2003) Whenever the constituents of the granular plastics mixtures have similar size, density, magnetic permeability, and electric conductivity, triboelectrostatic separation ,...

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image of dry electrostatic air separator - vgkzanglustnl
image of dry electrostatic air separator - vgkzanglustnl

Experimental Comparative Study of Different Tribocharging Devices , The electrostatic separation methods such as corona discharge and , brought into agitation by blowing air using a fan (Figure 2) The particles which , [16] D H Finseth, T Newby and R Elstrodt, "Dry Electrostatic Separation of Fine Coal,", Chat online...

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US6498313B1 - Electrostatic particle separation system ,
US6498313B1 - Electrostatic particle separation system ,

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 ....

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Paper 124- Dascalescu-revised - iopscienceioporg
Paper 124- Dascalescu-revised - iopscienceioporg

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...

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What causes electrostatic discharge? | AnswersDrive
What causes electrostatic discharge? | AnswersDrive

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...

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Modified Tribo Charging Device for the Electrostatic ,
Modified Tribo Charging Device for the Electrostatic ,

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 ....

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Tribocharging of plastics granulates in a fluidized bed device
Tribocharging of plastics granulates in a fluidized bed device

Jun 01, 2005· Tribocharging of plastics granulates in a fluidized bed device Iuga, Alexandru; Calin, Laur; Neamtu, Vasile; Mihalcioiu, Adrian; Dascalescu, Lucian 2005-06-01 00:00:00 The paper presents a modular fluidized bed device for the study of plastics tribocharging and electrostatic separation, with application in the field of plastic recycling ....

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Electrostatic technologies for materials recovery in high ,
Electrostatic technologies for materials recovery in high ,

The development of efficient tribocharging devices is a prerequisite for the success of any plastics recovery technology The electrostatic laboratories from Cluj-Napoca and Angoulême developed several fluidized bed (Figure 8), vibrating and rotating cylinder (Figure 10) tribocharging devic Figure 10 Tribocharging device with rotating ....

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Experimental Investigation of Electrostatic Separators of ,
Experimental Investigation of Electrostatic Separators of ,

This work is focused on the experimental study of a new propeller-type tribocharging device specifically designed to operate in conjunction with an electrostatic separator for mixtures of granular ....

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abstracts - Dr eng Adrian F MIHALCIOIU - Google Sites
abstracts - Dr eng Adrian F MIHALCIOIU - Google Sites

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...

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laur calin - Academiaedu
laur calin - Academiaedu

Tribo-electrostatic separation is a solution allowing to sort out a mixture of two plastic granular mixture, using a tribo-charging device ad a free-fall separator The aim of the present work is to evaluate the influence of air jet temperature and humidity of the fluidized bed device on the charging process, by analyzing the results of the ....

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Influence of Dielectric Barrier Dis- charge treatment on ,
Influence of Dielectric Barrier Dis- charge treatment on ,

on the type of the cylinder of the tribocharging device The modification of the triboelectric behavior highly affects the electrostatic separation of the six different mixtures that were , electrostatic separator for separation experiments C Roll-type electrostatic separator To separate charged particles, a roll-type electrostatic ....

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Mihai Bilici - Academiaedu
Mihai Bilici - Academiaedu

Tribocharging and electrostatic separation of mixed granular solids in fluidized bed devices more , in two devices similar to the triboguns employed for electrostatic powder coating, demonstrate that the tribo-aerodynamic charging is robust with respect to the three main control variables of the process: the injection and vortex pressures of ....

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IEEE Transactions on Industry Applications - Home ICM
IEEE Transactions on Industry Applications - Home ICM

The aim of this paper is to assess the effectiveness of two materials, aluminum and polypropylene (PP), that could be employed in the tribocharging chamber of that device The electrostatic separation experiments designed for this purpose were carried out on three samples of a granular polyethylene/polyvinyl chloride mixture, characterized by ....

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