Unique rare earth recycling process for rechargeable batteries developed

Brussels -- Umicore and Rhodia have jointly developed a unique process for the recycling of rare earth elements from Nickel Metal Hydride (NiMH) rechargeable Olympus c750 Battery. This recycling process combines the capabilities of Umicore’s proprietary Ultra High Temperature (UHT) Sony Np-qm91d Battery recycling process with Rhodia’s rare earth refining competences. The process can service the whole range of NiMH COMPAQ Armada 4131T AC Adapter batteries from portable applications to the Panasonic Cga-s006 Battery for hybrid electric vehicles. It is expected that first recovery of rare earth materials could take place by the end of this year.

Foto: ©RainerSturm/PIXELIO

The process will enable the recovery of rare earths from NiMH ACER Aspire 7520 AC Adapter batteries that will be treated at Umicore’s new Sony Vgn tx16c/W Battery recycling plant in Hoboken. After the separation of the nickel and iron from the rare earths, Umicore will process the rare earths into a high grade concentrate that will be refined and formulated into rare earth materials at Rhodia’s plant in La Rochelle (France).

Sybolt Brouwer, General Manager FUJIFILM FinePix Z30 Charger Battery Recycling and Recycling Development at Umicore, commented: “This is the first industrial process that closes the loop of the rare earths contained in NiMH Acer Aspire 5920 Battery. It demonstrates the uniqueness and flexibility of Umicore's UHT recycling technology and underlines our commitment to closing the materials loop.”

Frédéric Carencotte, Industrial Director of Rhodia Rare Earth Systems, said: “After the recycling of rare earths contained in low energy lamps, this agreement represents a new step in our strategy to recycle rare earths from end-of-life equipment.”

The main use of nickel metal hydride Panasonic Lumix Dmc-fp1 Battery is in rechargeable AA and AAA Dell Inspiron 6400 Battery (typically used in domestic applications such as cordless phones, toys and games), power tools and hybrid electric vehicles. A typical NiMH battery will contain some seven percent of rare earth elements including cerium, lanthanum, neodymium and praseodymium. This equates to some one gramme of rare earth for a AAA battery, 60 grammes for a household power tool and two kilogrammes for a hybrid electric vehicle battery. Lithium-ion rechargeable batteries contain no meaningful amounts of rare earth elements.

Quelle: Umicor Group / Rhodia Group
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