Vibratory separation of conductor-insulation mixtures using induction charging (2nd report, effect of corona or triboelectric charging on separation efficiency)

Masato Saeki, Akira Masumoto

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

This paper presents the results of an experimental study of copper-polyvinylchloride (PVC) separation from chopped waste electric cables. The principle of the separation technique is based on the difference in electric conductivity. The separator consists of a vibratory feeder equipped with two plate electrodes. The separation tests were performed on a sample containing 50% PVC and 50% copper. In order to obtain a high purity and a high recovery of both materials, triboelectric charging and corona charging are used. The charging effect on the separation efficiency was investigated. The purity of PVC was more than 99% at the recovery of 93%. The purity of copper was more than 99% at the recovery of 88%.

Original languageEnglish
Pages (from-to)1819-1825
Number of pages7
JournalNihon Kikai Gakkai Ronbunshu, C Hen/Transactions of the Japan Society of Mechanical Engineers, Part C
Volume72
Issue number6
Publication statusPublished - 2006 Jun
Externally publishedYes

Fingerprint

Insulation
Copper
Recovery
Electric cables
Separators
Electrodes

Keywords

  • Corona Charging
  • Electrostatic Separation
  • Frictional Vibration
  • Induction Charging
  • Materials Handling Equipment
  • Nonlinear Vibration
  • Recycling
  • Triboelectric Charging

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

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abstract = "This paper presents the results of an experimental study of copper-polyvinylchloride (PVC) separation from chopped waste electric cables. The principle of the separation technique is based on the difference in electric conductivity. The separator consists of a vibratory feeder equipped with two plate electrodes. The separation tests were performed on a sample containing 50{\%} PVC and 50{\%} copper. In order to obtain a high purity and a high recovery of both materials, triboelectric charging and corona charging are used. The charging effect on the separation efficiency was investigated. The purity of PVC was more than 99{\%} at the recovery of 93{\%}. The purity of copper was more than 99{\%} at the recovery of 88{\%}.",
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N2 - This paper presents the results of an experimental study of copper-polyvinylchloride (PVC) separation from chopped waste electric cables. The principle of the separation technique is based on the difference in electric conductivity. The separator consists of a vibratory feeder equipped with two plate electrodes. The separation tests were performed on a sample containing 50% PVC and 50% copper. In order to obtain a high purity and a high recovery of both materials, triboelectric charging and corona charging are used. The charging effect on the separation efficiency was investigated. The purity of PVC was more than 99% at the recovery of 93%. The purity of copper was more than 99% at the recovery of 88%.

AB - This paper presents the results of an experimental study of copper-polyvinylchloride (PVC) separation from chopped waste electric cables. The principle of the separation technique is based on the difference in electric conductivity. The separator consists of a vibratory feeder equipped with two plate electrodes. The separation tests were performed on a sample containing 50% PVC and 50% copper. In order to obtain a high purity and a high recovery of both materials, triboelectric charging and corona charging are used. The charging effect on the separation efficiency was investigated. The purity of PVC was more than 99% at the recovery of 93%. The purity of copper was more than 99% at the recovery of 88%.

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KW - Electrostatic Separation

KW - Frictional Vibration

KW - Induction Charging

KW - Materials Handling Equipment

KW - Nonlinear Vibration

KW - Recycling

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