Title:
電子廃棄物から貴金属を回収する方法及び設備
Document Type and Number:
Japanese Patent JP5690409
Kind Code:
B2
Abstract:
A method for recycling noble metals from electronic waste materials and apparatus thereof. The method comprises the following steps: mechanically breaking up the electronic waste materials; removing rubber and plastic materials by electrostatic separation; removing ferromagnetic metals by magnetic separation; removing residual rubber and plastic materials by microwave pyrolysis; removing low-melting-point metals by indirectly heating using microwave; separating the noble metals from one another in turn from low-melting-point metal to high-melting-point metal for recycle. The apparatus includes a microwave housing. A filtering screen is positioned on the inside wall of the housing horizontally, and vertically-arranged and open-ended heating pipes are positioned over the filtering screen. The method and apparatus can adequately recycle resources in the electronic waste materials.
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Inventors:
ス カイフア
Application Number:
JP2013533067A
Publication Date:
March 25, 2015
Filing Date:
October 27, 2010
Export Citation:
Assignee:
シェンジェン・ジーイーエム・ハイ−テク カンパニーリミテッドＳＨＥＮＺＨＥＮ ＧＥＭ ＨＩＧＨ−ＴＥＣＨＣＯ．， ＬＴＤ．
International Classes:
C22B11/02; B01D29/01; B03C1/00; B03C7/00; B09B3/00; B09B5/00; C22B1/00; C22B3/04; C22B7/00; C22B9/02; C22B11/00; C22B13/02; C22B15/00; C22B25/02; C22B30/02
Attorney, Agent or Firm:
Katsumori Iseki
Yonezo Tanaka
Yonezo Tanaka