Vertical distribution and occurrence state of the residual leaching agent (ammonium sulfate) in the weathered crust elution-deposited rare earth ore.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of environmental management"
DOI: 10.1016/j.jenvman.2021.113642
Abstract: Weathered crust elution-deposited rare earth ore (WCE-DREO) are rich in middle and heavy rare earth, and ammonium sulfate ((NH4)2SO4) was often used as leaching agent to leach rare earths by in-situ leaching method. However, much… read more here.
Keywords: earth ore; rare earth; ammonium; leaching agent ... See more keywords
Enhancing mineral liberation of a Canadian rare earth ore with microwave pretreatment
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DOI: 10.1016/j.jre.2017.08.007
Abstract: Abstract Liberation, as an attribute of mineralogy characteristic, whose impacts on finely disseminated Canadian rare earth ore was studied with microwave pretreatment. Samples of a light rare earth ore along with mostly ankerite and biotite… read more here.
Keywords: liberation; mineralogy; earth ore; rare earth ... See more keywords
Effect of potassium chloride on leaching process of residual ammonium from weathered crust elution-deposited rare earth ore tailings
Sign Up to like & getrecommendations! Published in 2021 at "Minerals Engineering"
DOI: 10.1016/j.mineng.2021.106800
Abstract: Abstract Ammonium sulfate has been widely applied as a leaching agent to leach rare earth from weathered crust elution-deposited rare earth ore because of its higher selectivity. However, large amount of ammonium remained on the… read more here.
Keywords: ammonium; earth ore; rare earth; residual ammonium ... See more keywords
Response surface method for optimization of leaching of a low-grade ionic rare earth ore
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DOI: 10.1016/j.powtec.2018.02.044
Abstract: Abstract China's ionic rare earth ore is of great strategic value because of its abundant medium and heavy rare earth elements (REEs). However, its rare earth reserves have decreased significantly in recent years. It is… read more here.
Keywords: ionic rare; earth ore; rare earth; value ... See more keywords
Processing of rare earth ore of weathering crust
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DOI: 10.33271/nvngu/2024-3/035
Abstract: Rapid development of high-tech industries is due to the rare and rare-earth metals used in instrumentation and radio electronics. Their materials are used primarily in the military-industrial and aerospace industries and are of strategic importance… read more here.
Keywords: earth ore; rare earth; gravity; earth ... See more keywords
Characteristics of Electrical Resistance Alteration during In Situ Leaching of Ion-Adsorption-Type Rare Earth Ore
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DOI: 10.3390/min14010092
Abstract: The chemical reaction of ion-adsorption-type rare earth ore during the in situ leaching process is accompanied by ion migration and charge movement, making the leaching process electrochemical in nature. The chemical reaction rate plays an… read more here.
Keywords: reaction; resistance; earth ore; rare earth ... See more keywords
Process mineralogy of Bayan Obo rare earth ore by MLA
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DOI: 10.37190/ppmp/124898
Abstract: The maximum recovery of rare earth resource from the Bayan Obo ore deposit is a difficult task, especially without the sufficient data of mineralogy. In this paper the mineralogy of Bayan Obo ore deposit by… read more here.
Keywords: earth ore; mineralogy; rare earth; bayan obo ... See more keywords