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Source:Science TrendsThe perceived supply risk for essential raw materials used in the growth of green energy and other state-of-the-art technologies provides the motivation for investigating new sources of these raw materials. Many are considered critical, given the supply risks posed by geographic location, economic and political stability of the producing countries, the limited possibilities for substitution, and the current low levels of recycling. At present, twenty raw materials are listed by the European Union as having a critical shortage.Among these critical elements, rare earth eleme...
Release time: 2019 - 03 - 20
viewed:3
Source:BEIJING (Reuters) - China on Friday issued output quotas for rare earth minerals for the first half of 2019 at lower levels than last year’s unusually high amount, leading to concerns the lower supply may not be enough to meet domestic demand.China is the world’s biggest producer of rare earths, a prized group of 17 elements used in everything from ceramics to consumer electronics, and its output quotas — typically announced twice per year — are closely watched.The mining output quota for the first half of 2019 was set at 60,000 tonnes, down 18.4 percent from a year earlier, while the s...
Release time: 2019 - 03 - 19
viewed:1
Source:Science NewsResearchers have examined a method to extract rare-earth elements from mining waste that could provide the world with a reliable supply of the valuable materials.The research, led by Idaho National Laboratory and Rutgers University with support from the Critical Materials Institute, is online and in an upcoming issue of the Journal of Chemical Thermodynamics.Rare-earth elements (REEs) -- a class of metallic elements including neodymium and dysprosium -- are necessary for the manufacture of many high-tech devices including cellphones, computers and wind turbines.REEs are diff...
Release time: 2019 - 03 - 18
viewed:1
Source:ReutersBEIJING (Reuters) - China, the world’s top producer of rare earth elements, last year also emerged as the biggest importer of the group of minerals used in everything from ceramics to consumer electronics, analysts said on Wednesday.China has for years been the world’s biggest rare earths exporter, raising shipments overseas by 4 percent year-on-year to more than 53,000 tonnes in 2018, and its emergence as the top importer as well is a sudden and surprising development.The country imported 41,400 tonnes of rare earth oxides and oxide equivalents in 2018, up 167 percent year-on-ye...
Release time: 2019 - 03 - 15
viewed:2
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