Abstract
The world platinum group metals (PGMs) reserves and the recovery of PGMs secondary resources are discussed in this review. For many countries, the low reserves, large consumption, and high external dependence of PGMs are common problems nowadays. Therefore, the recycling of catalysts which contain PGMs has become an important method to alleviate the shortage of resources. This paper mainly introduces the pyrometallurgical recovery and enrichment process of spent automotive catalysts, including plasma melting and metal capture method, which has the advantages of high enrichment rate, large-scale, and short process, and iron, copper, and lead are often used as metal collectors to capture and recover PGMs. The advantages and disadvantages of different technologies are summarized, and the improvement and progress of PGMs recovery process are prospected, which provide a new idea for green and efficient recovery of spent automotive catalysts.
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Han, J. et al. (2023). Recovery and Enrichment of Platinum Group Metals from Spent Automotive Catalysts by Pyrometallurgy: A Review. In: Ouchi, T., et al. Rare Metal Technology 2023. TMS 2023. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-031-22761-5_7
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DOI: https://doi.org/10.1007/978-3-031-22761-5_7
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