ORCID Profile
0000-0003-4555-8705
Current Organisation
KU Leuven
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Publisher: Wiley
Date: 24-06-2019
Publisher: Elsevier BV
Date: 11-2021
Publisher: American Chemical Society (ACS)
Date: 20-04-2022
Publisher: American Chemical Society (ACS)
Date: 31-10-2019
Publisher: Wiley
Date: 04-02-2021
DOI: 10.1002/AIC.17213
Abstract: Several molecular polar solvents have been used as solvents of the more polar phase in the solvent extraction (SX) of metals. However, the use of hydrophilic ionic liquids (ILs) as solvents has seldomly been explored for this application. Here, the hydrophilic IL ethylammonium nitrate (EAN), has been utilized as a polar solvent in SX of transition metal nitrates by tri‐ n ‐butyl phosphate (TBP). It was found that the extraction from EAN is considerably stronger than that from a range of molecular polar solvents. The main species of Co(II) and Fe(III) in EAN are likely [Co(NO 3 ) 4 ] 2− and [Fe(NO 3 ) 4 ] − , respectively. The extracted species are likely Fe(TBP) 3 (NO 3 ) 3 and a mixture of Co(TBP) 2 (NO 3 ) 2 and Co(TBP) 3 (NO 3 ) 2 . The addition of H 2 O or LiCl to EAN reduces the extraction because the metal cations coordinate to water molecules and chloride ions stronger than to nitrate ions. This study highlights the potential of using hydrophilic ILs to enhance SX of metals.
Publisher: Elsevier BV
Date: 08-2018
Publisher: American Chemical Society (ACS)
Date: 24-12-2019
Publisher: Royal Society of Chemistry (RSC)
Date: 2020
DOI: 10.1039/C9GC02983D
Abstract: Copper is extracted from sulfidic ores by a leaching-electrodeposition system, thereby producing metallic copper and regenerating the oxidizing agent FeCl 3 .
Publisher: American Chemical Society (ACS)
Date: 05-08-2019
Location: China
No related grants have been discovered for Xiaohua Li.