MT Brochure CARRARA 13012010 v4
includes high tension roll, electrostatic plate, electrostatic screen and tribostatic separators. Electrostatic separators are used to separate dry, free fl owing materials with particles sizes between 40 and 800 microns that exhibit electrical conductivity differences. High Tension Roll Separator Features Light weight, thermally stable
Modeling and Optimization of a Roll-type Tribo …
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 ...
Experimental and numerical analysis of a new tribo-electrostatic …
— The tribocharging device (Fig. 1) consisted in a cylindrical chamber (diameter: 12 cm; length: 35 cm), made of Polymethyl Methacrylate (PMMA).At its upper end, the chamber is provided. with four co-axial aluminum propellers, driven by a DC electric motor. The speed of the motor was fixed to n = 2500 rpm.This device entrained the granular …
Factors that Influence the Efficiency of a Tribo-Aero …
The six factors under study are: the high voltage, the rotation speed of the disks, the duration of the tribo-charging process, the duration of the separation, the fluidisation air …
Electrostatic separation technology for obtaining plant …
— Wet fractionation, also known as isoelectric point precipitation, is widely used for the separation of plant proteins. This method is effective for obtaining protein isolates …
New vibrating-table-type tribo-electrostatic separator for …
— 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 ...
Application of tribo-electrostatic separation (T-ES) technique …
— As an emerging technology, tribo-electrostatic separation differentiates particles by tribo-charging with subsequent influence of an external electric field, which …
Fine coal preparation using novel tribo-electrostatic separator
— The gravity-based techniques are inefficient in processing fine coals while the ... 18], tribo-electrostatic separator [19], high-gradient magnetic separator [20], etc. In general, FGX dry ...
Physical model of granule adhesion to the belt-electrodes of a tribo …
— In order to intensify the electrical field, two solutions were tested and validated: (1) add a grounding electrode in the proximity of the high-voltage electrodes; (2) dispose vertically the high ...
Tribo-Electrostatic Separation Analysis of a Beneficial …
Spinning electrode separators are high voltage drum (roller) or belt separators. ... the literature [30,31,32]. Particle charging mechanisms take place primarily using triboelectricity or corona charging. High voltage electrostatic drum (roller) separators are used in many industries. ... 2021. "Tribo-Electrostatic Separation Analysis of a ...
Numerical modeling of the trajectories of plastic granules in a tribo …
— 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 …
Tribo-electrostatic separation of high ash coking coal …
— 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.
New vibrating-table-type tribo-electrostatic separator for …
— The tribo-aero-electrostatic separator achieves the selective sorting of mixed granular insulating materials in a fluidized bed affected by an electric field orthogonally …
Control variables of an electrostatic separation process: high-voltage …
Download scientific diagram | Control variables of an electrostatic separation process: high-voltage level U roll speed n; angular ( = 30 ) and radial (s = 40 mm) position of the corona electrode ...
Modified tribo-charging device for the electrostatic …
— The numerical simulation of charged particles trajectories facilitates the interpretation of the experimental results and the analysis of the factors that affect the …
Experimental and numerical analysis of a new tribo-electrostatic …
— 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 ...
Beneficiation of Ultrafine Iron Ore Using Tribo …
Beneficiation of Ultrafine Iron Ore Using Tribo-electrostatic Separator Tom Newman, ST Equipment & Technology LL ... 9.1 m long, 1.7 m wide, and 3.2 m high. The separator power consumption is about 1 kWhr/tonne of material processed (ittner et al. 2014). Iron ore is a valuable commodity used for steel manufacturing, which is a key part of the ...
Purity prediction of the two‐stage high voltage electrostatic
— DOI: 10.1002/pen.26163 Corpus ID: 252748139; Purity prediction of the two‐stage high voltage electrostatic separation of a mixture of three polymers @article{Tian2022PurityPO, title={Purity prediction of the two‐stage high voltage electrostatic separation of a mixture of three polymers}, author={Chifeng Tian and …
Effect of particle size on the tribo-aero-electrostatic …
— 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 ...
Factors that influence the efficiency of a fluidized-bed-type tribo …
— 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 ...
Tribo-Electric Separator (EKS)
Allcontrols' electrostatic (tribo-electric) polymer separation solutions include: The Hamos EKS electrostatic separator – This can split co-mingled granulated polymers (including black plastics) into very high purity fractions. The different polymer types are charged by impact in the Hamos EKS system. The impact causes one polymer type to lose electrons and the …
Study of a tribo-aero-electrostatic separator for mixtures of
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 equipment (WEEE). The two high-voltage rotating-cylinder electrodes of the electrostatic separator are partly immersed in a fluidized bed containing the material to …
Beneficiation of Ultrafine Iron Ore Using Tribo …
ST Equipment & Technology (STET) has developed a dry separation system using a tribo-electrostatic belt separator. This technology does not require water or chemical …
Effect of ambient humidity on the tribo-electrostatic …
— The focus of this paper is on three electrostatic processes of separation used for processing of different types of mixtures: (i) role-type electrostatic separator, used to sort mixtures ...
Recycling mixed polymer particles using a spiral tube tribo
— The paper developed a spiral tube tribo-electrostatic separation devicefor studying the behavior of polymer particles in a free-falling high-voltage electrostatic field. ... Finally, high-voltage electrostatic separation simulations and experiments were carried out, achieving separation purities of 92.8% for PA66, 80.7% for PP (modified), and ...
Effect of particle size on the tribo-aero-electrostatic separation of
— The aim of this work is to evaluate the effect of particle size on the selective sorting of fine particles in a two-rotating-disks-type tribo-aero-electrostatic separator. The experiments are carried out on a synthetic mixture composed of 50% Acrylonitrile Butadiene Styrene (ABS) and 50% Polystyrene (PS) particles of size 250 to 2000 microns.
Analysis of a novel insulating conveyor-belt tribo-electrostatic
— Benabboun et al. (2014) have used systems based on tribocyclone, fluidized bed and static as tribochargers and high voltage free-fall separator to evaluate the efficiency of separation in mixtures ...
Experimental and numerical analysis of a new tribo …
— 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 …
Dry Tribo-electrostatic Beneficiation of Mineral Sands
In STET tribo-electrostatic belt separator, feed m aterial is fed in to a thin gap between two parallel electrodes. There is an openmesh - belt moving between the electrodes at high velocity, upto 65 feet/sec, forming a loop around a set of rollers on both ends (Figure 1). The particles are tribo-
Studies on the effect of electrode plate position and feed …
— Several factors affect the efficiency of the tribo-electrostatic separator which may be broadly classified into three groups [48]: (1) physical properties such as particle size, density, surface ...