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
Compound leaching behavior and regularity of ionic rare earth ore
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DOI: 10.1016/j.powtec.2018.04.010
Abstract: Abstract Ammonium sulfate in situ leaching process is the most widely used extraction technology for ionic rare earth (RE) ores. Although the leaching process is simple, the leaching rate is satisfactory; moreover, the leaching solution… read more here.
Keywords: combined leaching; ammonium sulfate; leaching agent; rate ... See more keywords