A Review of the Occurrence and Recovery of Rare Earth Elements from Electronic Waste Article Swipe

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Binjun Liang , Jihan Gu , Xiangrong Zeng , Weiquan Yuan , Mingjun Rao , Bin Xiao , Haixiang Hu ·

YOU? · · 2024 · Open Access · · DOI: https://doi.org/10.3390/molecules29194624

Electronic waste (e-waste) contains valuable rare earth elements (REEs) essential for various high-tech applications, making their recovery crucial for sustainable resource management. This review provides an overview of the occurrence of REEs in e-waste and discusses both conventional and emerging green technologies for their recovery. Conventional methods include physical separation, hydrometallurgy, and pyrometallurgy, while innovative approaches such as bioleaching, supercritical fluid extraction, ionic liquid extraction, and lanmodulin-derived peptides offer improved environmental sustainability and efficiency. The article presents case studies on the extraction of REEs from waste permanent magnets and fluorescent powders, highlighting the specific processes involved. Future research should focus on developing eco-friendly leaching agents, separation materials, and process optimization to enhance the overall sustainability and efficiency of REE recovery from e-waste, addressing both resource recovery and environmental concerns effectively.

Related Topics

Electronic Waste

Waste Management

Sustainability

Environmentally Friendly

Environmental Science

Concepts

Resource recovery Rare earth Electronic waste Pyrometallurgy Hydrometallurgy Waste management Sustainability Bioleaching Leaching (pedology) Environmentally friendly Environmental science Process engineering Engineering Materials science Wastewater Chemical engineering Smelting Ecology Dissolution Biology Soil water Copper Soil science Metallurgy

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Type: review
Language: en
Landing Page: https://doi.org/10.3390/molecules29194624
OA Status: gold
Cited By: 17
References: 160
Related Works: 10
OpenAlex ID: https://openalex.org/W4402993129

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OpenAlex ID: https://openalex.org/W4402993129

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DOI: https://doi.org/10.3390/molecules29194624

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Title: A Review of the Occurrence and Recovery of Rare Earth Elements from Electronic Waste

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Type: review

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Language: en

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Publication year: 2024

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Publication date: 2024-09-29

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Authors: Binjun Liang, Jihan Gu, Xiangrong Zeng, Weiquan Yuan, Mingjun Rao, Bin Xiao, Haixiang Hu

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Landing page: https://doi.org/10.3390/molecules29194624

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OA status: gold

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OA URL: https://doi.org/10.3390/molecules29194624

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Concepts: Resource recovery, Rare earth, Electronic waste, Pyrometallurgy, Hydrometallurgy, Waste management, Sustainability, Bioleaching, Leaching (pedology), Environmentally friendly, Environmental science, Process engineering, Engineering, Materials science, Wastewater, Chemical engineering, Smelting, Ecology, Dissolution, Biology, Soil water, Copper, Soil science, Metallurgy

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Cited by: 17

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Citations by year (recent): 2025: 15, 2024: 2

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Related works (count): 10

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