Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Soroush Rahmati"'
Publikováno v:
Heliyon, Vol 10, Iss 14, Pp e34811- (2024)
Recycling the valuable metals found in spent permanent magnets (REPMs) poses a significant global challenge for the future. This study examines the efficiency of back extraction of rare earth elements (REEs) by oxalic acid solution from di-(2-ethylhe
Externí odkaz:
https://doaj.org/article/a5ad1d1fc21e4146b75970d212474185
Autor:
Pietro Romano, Adriana Zuffranieri, Soroush Rahmati, Roshanak Adavodi, Francesco Ferella, Francesco Vegliò
Publikováno v:
Metals, Vol 14, Iss 8, p 932 (2024)
In recent years, the increasing demand and rising prices of rare earth elements (REEs), along with their attendant supply risk (about 95% of these elements are supplied by China), have led the European Commission to consider REEs as critical raw mate
Externí odkaz:
https://doaj.org/article/55f7f082fcc94d86a3887d3a4026d165
Publikováno v:
Metals, Vol 14, Iss 6, p 605 (2024)
Notable increases in metal consumption and declining ore grades in recent decades have stressed the significance of dilute solutions as secondary sources of valuable metals. Moreover, environmental considerations and the imperative of sustainable dev
Externí odkaz:
https://doaj.org/article/4c2db2039a5248afb810f6a2fd2ade71
Publikováno v:
Metals, Vol 13, Iss 11, p 1801 (2023)
The high demand for rare earth permanent magnets (REPMs) for use in advanced electrical equipment has led to the classification of some rare earth elements (REEs), such as neodymium, praseodymium, and dysprosium, as strategic raw materials by the Eur
Externí odkaz:
https://doaj.org/article/7db186591b8444cdad08f3a15170375f
Publikováno v:
Minerals Engineering. 131:154-163
A newly designed air-assisted solvent extraction (AASX) system was used to extract Cu from dilute solutions in a continuous-mode at pilot scale. The effects of some operational and chemical parameters including aqueous phase flowrate, extractant conc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aeddfdaf21bebece6e6b227a6aa4b3fc
https://doi.org/10.1016/j.mineng.2018.11.018
https://doi.org/10.1016/j.mineng.2018.11.018
Publikováno v:
Hydrometallurgy. 177:168-177
Air-assisted solvent extraction (AASX) which is based on the coating of organic extractants on the air bubbles was developed to recover valuable metals from dilute Cu solutions. The effect of the chemical composition of aqueous and organic phases was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7f91185331a62aa7f65217764de36c6
https://doi.org/10.1016/j.hydromet.2018.03.010
https://doi.org/10.1016/j.hydromet.2018.03.010
Publikováno v:
Minerals Engineering. 153:106376
Air-assisted solvent extraction (AASX) in continuous-mode is a new development in the solvent extraction process for the extraction of valuable metals from dilute solutions. The main aim of this research was to investigate the effect of the flowrate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42d922820d98b05d167eb33dd5f99ff2
https://doi.org/10.1016/j.mineng.2020.106376
https://doi.org/10.1016/j.mineng.2020.106376