Tel: +86-18573485932
E-mail: sales@tlmagnet.com
The development situation of neodymium magnets is very good
It is well known that neodymium, one of the raw materials of neodymium magnets, is a rare earth material, however, mining this rare earth element has harmful effects on the environment.
It is well known that neodymium, one of the raw materials of neodymium magnets, is a rare earth material, however, mining this rare earth element has harmful effects on the environment. It has now been found that neodymium can be recovered from e-waste, which greatly reduces the production cost of neodymium magnets. Today, I will introduce how to recover neodymium from electronic waste.
A Penn State team has developed a new biotechnology called anionic hair nanocellulose (AHNC), where "hair" refers to cellulose chains attached to the ends of nanoparticles. The hairy layer of the nanoparticle is negatively charged, thereby attracting positively charged Nd ions. This separates Nd from other ions in the aqueous medium, such as iron, calcium, and sodium ions, and aggregates enough Nd particles for efficient recovery. The process can also be used to extract neodymium from industrial wastewater, mining tailings and permanent magnets that are no longer in use.
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Tongli Magnetic Industry Co., Ltd.
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Tel: +86-18573485932
E-mail: sales@tlmagnet.com
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