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Separation and concentration of rare earth elements from wastewater using electrodialysis technology
(Elsevier, 2020-08-29)
Rare earth elements (REEs) including Scandium (Sc) are critical raw materials which are greatly needed in the advancement of many modern technologies. Due to the problems associated with the primary extraction of mining ...
Oxidation of 2,4-dichlorophenol in saline water by unactivated peroxymonosulfate: Mechanism, kinetics and implication for in situ chemical oxidation
(Elsevier, 2020-04-21)
Inorganic and organic pollutants present a hazard to surface and groundwater resources. Peroxymonosulfate (PMS, HSO5−) has received increasing attention for in situ chemical oxidation (ISCO) capable of remediating contaminated ...
Electrochemical leaching of rare-earth elements from spent NdFeB magnets
(Elsevier, 2020-01-22)
Spent NdFeB magnets are highly appealing secondary resources for rare earth elements (REEs), especially for Nd. The goal of this study was to investigate electrochemical leaching of Fe and rare earths from NdFeB magnets ...
One-step recovery of REE oxalates in electro-leaching of spent NdFeB magnets
(Elsevier, 2020-07-11)
Recovery of rare-earth elements (REEs) from spent NdFeB magnets is receiving great attention because of high amount of neodymium and potential risk of environmental pollution. In this study, a novel environment-friendly ...
Insight into electroreductive activation process of peroxydisulfate for eliminating organic pollution: Essential role of atomic hydrogen
(Elsevier, 2020-12-31)
Electrochemically activating peroxydisulfate (PDS) can eliminate organic pollution using electron as activator without the involvement of byproducts. Notwithstanding, the process suffered from long hydraulic retention time, ...
Selective recovery and separation of rare earth elements by organophosphorus modified MIL-101(Cr)
(Elsevier, 2020-11-04)
Development of state-of-the-art selective adsorbent materials for recovery of rare earth elements (REEs) is essential for their sustainable usage. In this study, a metal-organic framework (MOF), MIL-101(Cr), was synthesized ...