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Proceso de reciclaje de imanes permanentes

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TODE20140626002
Publicado:
20/01/2016
Caducidad:
30/06/2016
Resumen:
Una universidad alemana de ciencias aplicadas ofrece licencias de un proceso térmico que separa imanes permanentes de una mezcla de residuos y que permite reciclar tierras raras aprovechables. El proceso se basa en un tratamiento térmico que produce una desmagnetización parcial. Posteriormente se produce la separación en un campo magnético alterno. El proceso puede integrarse en plantas existentes. Se buscan licenciatarios industriales en el sector de gestión y reciclaje de residuos.

Details

Tittle:
Process for the recycling of permanent magnets
Summary:
A German university of applied sciences offers licenses for a thermal process that separates permanent magnets from a crap mixture and renders possible to recycle valuable rare earth materials. Partners from waste management and recycling are sought. Licensees from waste management and recycling are sought.
Description:
High performance magnets contain rare earth materials, e.g. neodymium and dysprosium. These magnets are used in large amounts in the mass production of electro- and electronic components. At present, waste components containing rare earth magnets end up in the fraction of metallic recycling and are shreddered within the steel crap.

Currently 97% of rare earth oxides are recovered in China. Due to the outstanding magnetic properties of neodymium magnets, rapidly increasing prices and the high pollution during the recovery, there is a strong demand for recycling of this valuable raw material.

Rare earth containing permanent magnets posses extremely high field intensities and adhere to each other and other materials. Based on past experience and conventional methods they are not separable as a single fraction out of a crap mixture.

A German university of applied sciences developed a process that enables the separation of permanent magnets out of a crap mixture. In order to achieve this thermal treatment is implemented, leading to partial demagnetization. This enables the subsequent separation in an alternating magnetic field. The new process leads to a separate fraction of corresponding permanent magnets.

The process can be integrated in existing plants.

Partners from waste management and recycling are sought for license agreements in order to implement the technology in their processes.

Advantages and Innovations:
· Recycling of a high prized raw material made possible
· Integration in existing recycling plants possible
· Reduced dependency of Chinese export
Stage of Development:
Available for demonstration
IPs:
Patent(s) applied for but not yet granted
CommeR Statunts Regarding IPR Status:
A German as well as an international patent application are pending.

Partner sought

Type and Role of Partner Sought:
Industrial licensees are sought. They could be waste management or electronics recycling companies interested in integrating the technology.

Client

Type and Size of Client:
University
Already Engaged in Trans-National Cooperation:
No
Languages Spoken:
English
German

Keywords

Technology Keywords:
10003007 Conversión de residuos en energía / recursos
01002006 Dispositivos / materiales magnéticos y superconductores
10003 Gestión de residuos
10003004 Reciclaje, recuperación
10003009 Tratamiento de metales de tierras raras