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Professional Paper, 2017 This chapter investigates the current rare earth elements trade in the Asia-Pacific Region. It begins by noting the elements that fall within this category of minerals, noting their rarity. It then looks at the trade in the commodity and some of the issues associated with its supply chain.
Bradley S. Van Gosen +4 more
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Iraqi Geological Journal, 2023 Economic rare earth element bearing-heavy mineral accommodation in alluvial deposits (stream sediments) is a well-known process caused by varying rates of weathering and transportation of heavy minerals and sediments, which is significant in ...
Omnia Elsayed +3 more
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Geochemical characteristics of rare earth elements in groundwater of Banji Coal Mine
能源环境保护, 2023 Rare earth elements possess stable and similar geochemical properties, making them widely utilized in the study of groundwater-aquifer interactions and geochemical processes.
DU Shaoneng +5 more
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Communications Earth & Environment, 2023 Rare earth element ore deposits associated with carbonatite derived from Earth’s mantle supply half of the world’s rare earth element. However, the formation of carbonatite and initial enrichment and transport of rare earth element in the mantle, is ...
Zeng-Qian Hou +10 more
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Plants, 2021 Rare earth element fractionation and distribution in the coastal ecosystem have been of significant concern and are recognized worldwide as emerging micro-pollutants. However, unlike other metals such as trace elements, little is known about their uptake
Abdullahi Bala Alhassan +1 more
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Rare earth elements in plastics [PDF]
Science of The Total Environment, 2021 Because of their unique properties, rare earth elements (REEs), comprising the lanthanide elements plus Sc and Y, have a variety of integral applications in modern electronic equipment. Consequently, it has been suggested that REEs may act as contaminants of and tracers for recycled electrical and electronic plastics in consumer goods.
Andrew, Turner +2 more
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Applied Sciences, 2023 Insufficient color feature extraction can lead to poor prediction performance in rare earth element composition estimation. To address this issue, we propose a one-dimensional convolutional method for predicting rare earth element composition.
Fangping Xu, Jun Chen, Jianyong Zhu
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Research Progress on Extraction Technology of Rare Earth Elementsfrom Coal Ash
Kuangchan zonghe liyong, 2023 This is an essay in the field of mining engineering. High-value utilization of rare earths in fly ash can effectively alleviate the environmental pollution caused by fly ash in my country, expand the supply chain of rare earth raw materials, and ensure ...
Zhijuan Gao, Xiangren Wang
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On the Extraction of Rare Earth Elements from Geothermal Brines
Resources, 2017 The availability of rare earth elements from primary resources has come into question in the last two decades. This has sparked various government and industry initiatives to examine potential rare earth element resources apart from virgin ore bodies ...
York R. Smith +2 more
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Yankuang ceshi, 2019 BACKGROUND The Bayan Obo mining area is the main producing area of rare earth elements. During mining and refining, rare earth elements enter plants through migration and enrichment.
ZHANG Li-feng +2 more
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