AI Article Synopsis
- Research into the secondary recovery of rare earth elements (REE) has mainly focused on hard disk drives and automotive applications, highlighting the need for more knowledge on U.S. vehicles.
- A study analyzed four vehicle models (Ford F-150, Chevrolet Silverado, Toyota Corolla, and Honda Accord) to identify components containing Neodymium-Iron-Boron (NdFeB) magnets, revealing significant differences between U.S., Japanese, and European vehicles.
- The research found that U.S. vehicles contained NdFeB magnets primarily in speakers, estimating up to 14 tonnes available from end-of-life vehicles in 2018, though recycling challenges remain.
Article Abstract
Research into secondary recovery of rare earth elements (REE) has focused mostly on hard disk drives and automotive applications. While REE content in Japanese and European vehicles is relatively well-known, understanding of U.S. vehicles is mostly based on database analysis. An attempt to pinpoint which components contain the most REEs was conducted on four different vehicle models including the Ford F-150, Chevrolet Silverado, Toyota Corolla and Honda Accord. The disassembly data were combined with 2017 vehicles in operation to estimate stocks and flows of Neodymium-Iron-Boron (NdFeB). Results showed that U.S. vehicles had major differences compared to Japanese and European vehicles. NdFeB magnets were only found in speakers ranging from 16 to 114 g/vehicle. An estimated 3.0-14 tonnes of NdFeB could be available from end-of-life vehicles in 2018 from different cohorts of the four aforementioned models. While opportunities for recycling NdFeB in vehicles exist, challenges are also present.
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| http://dx.doi.org/10.1016/j.wasman.2018.11.017 | DOI Listing |
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