Recovery of rare-earth metals from aqueous solutions by bio/adsorption using non-conventional materials: a review with recent studies and promising approaches in column applications
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Rare Earths"
DOI: 10.1016/j.jre.2019.06.001
Abstract: Abstract The recovery of rare-earth metals (REMs) is of great economic and environmental interest, because of their high market prices and various industrial applications. Recently, with the increasing demand for high-purity rare-earth compounds, the separation… read more here.
Keywords: rare earth; bio adsorption; recovery rare; adsorption ... See more keywords
Recovery of rare earths from industrial wastewater using extraction-precipitation strategy for resource and environmental concerns
Sign Up to like & getrecommendations! Published in 2020 at "Minerals Engineering"
DOI: 10.1016/j.mineng.2020.106315
Abstract: Abstract Unlike the classic separation technologies, an extraction-precipitation strategy has been developed for the recovery of rare earth (RE) and from industrial wastewater using a novel phenoxycarboxylic acid of 2-(4-butoxyphenoxy) acetic acid (BPAA). Compared with… read more here.
Keywords: extraction precipitation; precipitation; precipitation strategy; recovery rare ... See more keywords
Recovery of rare earths from the green lamp phosphor LaPO4:Ce3+,Tb3+ (LAP) by dissolution in concentrated methanesulphonic acid
Sign Up to like & getrecommendations! Published in 2018 at "RSC Advances"
DOI: 10.1039/c8ra04532a
Abstract: A process was developed for the recovery of rare earths from terbium-rich lamp phosphor waste. The process consists of a solvometallurgical leaching step with concentrated methanesulphonic acid (MSA) at temperatures between 433 K to 473… read more here.
Keywords: rare earths; concentrated methanesulphonic; lamp phosphor; recovery rare ... See more keywords
Recovery of Rare Metals from High-Boiling Petroleum Fractions
Sign Up to like & getrecommendations! Published in 2018 at "Petroleum Chemistry"
DOI: 10.1134/s0965544118100110
Abstract: The possibility of recovering compounds of rare and other valuable metals from bottom ash from the combustion of high-boiling petroleum fractions (HBF BA) by chlorination in a fluidized bed reactor has been shown. The reactivity of… read more here.
Keywords: petroleum fractions; high boiling; boiling petroleum; recovery rare ... See more keywords