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Title:
ELECTROSTATIC SORTING METHOD AND ELECTROSTATIC SORTING APPARATUS
Document Type and Number:
Japanese Patent JP2010119911
Kind Code:
A
Abstract:

To provide an electrostatic sorting method and an electrostatic sorting apparatus, for highly accurately sorting and recovering granular plastic used for recycling, for every material.

The electrostatic sorting apparatus comprises: granular plastics 2a, 2b made of different materials; a charging device 3 for charging the granular plastics 2a, 2b; a sending device 4 which disperses the granular plastics 2a, 2b charged by the charging device 3 and gives such a kinetic energy that the granular plastics reach the upper side; a pair of electrodes 5a, 5b; electric fields 7, 7h formed by the electrodes 5a, 5b; and recovery containers 8a, 8b for respectively recovering the granular plastics 2a, 2b which are sent from the sending part 4f to the high electric field 7h by the sending device 4 and sorted.


Inventors:
MATSUMURA MITSUIE
ENDO YASUHIRO
TAKITA HIDENORI
TSUTSUI KAZUNARI
Application Number:
JP2008293393A
Publication Date:
June 03, 2010
Filing Date:
November 17, 2008
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
B03C7/04; B03C7/02; B29B17/00
Domestic Patent References:
JP2000317345A2000-11-21
JP2000167489A2000-06-20
JP2004136207A2004-05-13
JPH07178351A1995-07-18
JP2005138030A2005-06-02
JP2001121035A2001-05-08
JP2007504971A2007-03-08
JP2000061359A2000-02-29
JP2002289792A2002-10-04
JP2001079493A2001-03-27
JP2007111600A2007-05-10
JPH10263437A1998-10-06
JPH09267052A1997-10-14
JPS512859Y21976-01-27
JP2002538955A2002-11-19
JP2003311183A2003-11-05
Attorney, Agent or Firm:
Shogo Takahashi
Tadahiko Inaba
Kanako Murakami
Nakatsuru Kazutaka



 
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