Invention Grant
- Patent Title: Pre-treatment process for liberation of metals from waste printed circuit boards using organic solution
- Patent Title (中): 使用有机溶液从废印刷电路板中释放金属的预处理过程
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Application No.: US12310324Application Date: 2008-07-28
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Publication No.: US07867317B2Publication Date: 2011-01-11
- Inventor: Jae Chun Lee , Jae Min Yoo , Jin Ki Jeong , Manis Kumar Jha
- Applicant: Jae Chun Lee , Jae Min Yoo , Jin Ki Jeong , Manis Kumar Jha
- Applicant Address: KR Daejeon
- Assignee: Korea Institute of Geoscience and Minderal Resources
- Current Assignee: Korea Institute of Geoscience and Minderal Resources
- Current Assignee Address: KR Daejeon
- Agency: Clark & Brody
- Priority: KR10-2007-0116992 20071116
- International Application: PCT/KR2008/004391 WO 20080728
- International Announcement: WO2009/064063 WO 20090522
- Main IPC: C22B3/22
- IPC: C22B3/22 ; B01D43/00

Abstract:
A method for recovering valuable metals contained in printed circuit boards of waste electronic machine, and more particularly, a method for liberating metal and plastic laminated in waste printed circuit boards uses an organic solvent and then separates and recovers the liberated metal components using an electrostatic separation process.
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