Published : 2014-04-30

Physical basis of tribocharging and electrostatic separation of plastics

Abstract

The paper is a review of the literature concerning the physical basis of the electrostatic separation of mixed polymers, involving the electrification of polymer particles as a result of the friction between them and/or the friction on the walls of tribocharging unit, followed by separation of the particles in DC electric field. This method can be applied for industrial recycling of plastics wastes. The construction of free-fall separator was analyzed and the mathematical formulas describing its operation were presented. The means of electrification of various materials, in particular tribocharging of polymers, have been described.


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Żenkiewicz, M., & Żuk, T. (2014). Physical basis of tribocharging and electrostatic separation of plastics. Polimery, 59(4), 314-323. https://doi.org/10.14314/polimery.2014.314