Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678
Triboelectrostatic Separation for Recycling of Seaweed-Drying Net Frame Plastic Wastes
Chul-Hyun ParkHo-Seok Jeon
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2009 Volume 50 Issue 3 Pages 644-649


In this research, on the basis of the control of electrostatic charge, a laboratory-scale triboelectrostatic separation for separating polypropylene (PP) and acrylonitrile-butadiene-styrene (ABS) in seaweed-drying net frame plastic wastes has been carried out. High density polyethylene (HDPE) in a charger material selection tests using a vertical-reciprocation system was found to be the most effective materials for a tribo-charger in the separation of PP, and ABS. In lab-scale triboelectrostatic separation tests using the HDPE pipeline charger, the charge-to-mass ratio (nC/g) of the mixed PP and ABS increased when the air velocity was adjusted to over 10 m/s. The optimum splitter position estimated by Newton’s separation efficiency (ηn) was a position +4 cm from the central. Furthermore, under the conditions of over 385 kV/m electric field and less than 30% relative humidity, a PP grade of 99.70% and a recovery of 92.30% could be obtained.

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© 2009 The Japan Institute of Metals and Materials
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