Green recovery of rare earth elements under sustainability and low carbon: A review of current challenges and opportunities

T Xu, X Zheng, B Ji, Z Xu, S Bao, X Zhang, G Li… - Separation and …, 2024 - Elsevier
In order to cope with climate change and implement low-carbon development, the energy
structure cannot be separated from the production of clean energy. Rare earth elements are …

The science of microrecycling: a review of selective synthesis of materials from electronic waste

V Sahajwalla, R Hossain - Materials Today Sustainability, 2020 - Elsevier
Manufacturing challenges are anticipated to become worse in the coming decades owing to
global material and energy constraints combined with environmental issues associated with …

An indigenous tool for the adsorption of rare earth metal ions from the spent magnet e-waste: An eco-friendly chitosan biopolymer nanocomposite hydrogel

TR Sethy, T Biswal, PK Sahoo - Separation and Purification Technology, 2023 - Elsevier
Recently, polymer nanocomposite hydrogel (PNC-hydrogel) has attracted the focus and
attention of young and dynamic researchers in water remediation and purification due to its …

Sustainable recycling of rare-earth elements from NdFeB magnet swarf: techno-economic and environmental perspectives

NA Chowdhury, S Deng, H Jin, D Prodius… - ACS Sustainable …, 2021 - ACS Publications
Rare-earth elements (REEs) are increasingly susceptible to supply risks due to their limited
geographical availability and growing demand in clean energy applications such as …

Synergetic recycling of permanent magnet and Li-ion battery cathode material for metals recovery

VL Borra, A Jena, NS Sistla, P Venkatesan… - Sustainable Materials …, 2024 - Elsevier
Rare earth elements (REEs)-based (NdFeB) magnets and lithium− ion batteries (LIBs) are
critical for a low− carbon economy. Their production depends on critical elements like REEs …

Selective extraction of rare-earth elements from NdFeB magnets by a room-temperature electrolysis pretreatment step

P Venkatesan, T Vander Hoogerstraete… - ACS Sustainable …, 2018 - ACS Publications
NdFeB magnets are used in wind turbines and hybrid electric vehicles and are instrumental
in progression toward a low-carbon economy. Recycling rare-earth elements (REEs) from …

Recovery of rare earth (ie, La, Ce, Nd, and Pr) oxides from end-of-life Ni-MH battery via thermal isolation

S Maroufi, RK Nekouei, R Hossain… - ACS Sustainable …, 2018 - ACS Publications
In this study, rare earth elements (REEs, ie, La, Ce, Nd, and Pr) were thermally isolated in
oxide form, from Ni-metal hydride (Ni-MH) batteries via an oxidation–reduction process. The …

[HTML][HTML] An overview of Hydrogen assisted (Direct) recycling of Rare earth permanent magnets

C Burkhardt, S van Nielen, M Awais, F Bartolozzi… - Journal of Magnetism …, 2023 - Elsevier
Rare Earths (RE) permanent magnets are essential components for Europe's successful
green and digital transition However, the entire value chain of RE magnetic materials …

Efficient recovery of rare earth elements from discarded NdFeB magnets

B Liu, N Zhu, Y Li, P Wu, Z Dang, Y Ke - Process Safety and Environmental …, 2019 - Elsevier
Discarded NdFeB magnets are becoming the focus of recycling rare earth metals since the
content can reach as high as about 30%. In this study, a novel carbonization/hydrogenation …

[HTML][HTML] Chemical isolation of rare earth elements (as pure rare earth oxides) from Nd-Fe-B magnets and Ni-MH batteries

RK Nekouei, S Maroufi, H Salehi… - Journal of Environmental …, 2024 - Elsevier
Rare earth elements (REEs) are increasingly in demand for their usage in electric vehicles,
permanent magnets, and rechargeable batteries. However, the limited supply of REEs and …