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Recycling oriented vertical vibratory separation of copper and polypropylene particles

Wang, Zheng; Miles, Nicholas J.; Wu, Tao; Gu, Fu; Hall, Philip

Authors

Zheng Wang

Nicholas J. Miles

Tao Wu

Fu Gu

Philip Hall



Abstract

Vibration has been employed in various engineering processes for material handling. The famous Brazil nut effect, large particles tend to rise to the top under vibration, initiates various research about vibration induced particle segregation. Particle size and density are two determining factors for their behaviour under vibration. Previous research in University of Nottingham proves vertical vibratory separation to be a promising environmental friendly mechanical separation method for recycling metallic fraction from shredded Waste Electric and Electronic Equipment (WEEE) stream. A pilot scale thin cell vibratory separator has been developed to investigate the potential for WEEE recycling applications. Shredded copper and polypropylene particles have been chosen to mimic metallic and non-metallic fractions in WEEE. Vibratory separation experiment with controlled environment and addition of solid lubricant are presented in this paper. The result demonstrates the effect of relative humidity and solid lubricant on improving flowability of granular system hence successful vibratory separation. The proposed mechanisms for the presence of moisture and solid lubricant are lubricant effect and elimination of static electricity.

Citation

Wang, Z., Miles, N. J., Wu, T., Gu, F., & Hall, P. (2016). Recycling oriented vertical vibratory separation of copper and polypropylene particles. Powder Technology, 301, https://doi.org/10.1016/j.powtec.2016.06.003

Journal Article Type Article
Acceptance Date Jun 2, 2016
Online Publication Date Jun 3, 2016
Publication Date Nov 30, 2016
Deposit Date Mar 19, 2018
Publicly Available Date Mar 19, 2018
Journal Powder Technology
Print ISSN 0032-5910
Electronic ISSN 0032-5910
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 301
DOI https://doi.org/10.1016/j.powtec.2016.06.003
Keywords vibratory separation, WEEE, particle separation, particle flowability, humidity
Public URL http://eprints.nottingham.ac.uk/id/eprint/50407
Publisher URL https://www.sciencedirect.com/science/article/pii/S0032591016303308?via%3Dihub
Copyright Statement Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0

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Copyright Statement
Copyright information regarding this work can be found at the following address: http://creativecommons.org/licenses/by-nc-nd/4.0





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