A green extraction process for the selective recovery of Sc(iii) based on hydrophobic betaine derivative ionic liquids
RSC Advances, ISSN: 2046-2069, Vol: 14, Issue: 7, Page: 4853-4860
2024
- 3Citations
- 3Captures
Metric Options: CountsSelecting the 1-year or 3-year option will change the metrics count to percentiles, illustrating how an article or review compares to other articles or reviews within the selected time period in the same journal. Selecting the 1-year option compares the metrics against other articles/reviews that were also published in the same calendar year. Selecting the 3-year option compares the metrics against other articles/reviews that were also published in the same calendar year plus the two years prior.
Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Article Description
The efficient extraction recovery of scandium (Sc(iii)) is crucial for its application in high-end technology. Two novel hydrophobic carboxylic acid ionic liquids (ILs), namely, [lauryl betaine][bis(trifluoromethanesulphonyl)imide] ([Laur][TfN]) and [cocamidopropyl betaine][bis(trifluoromethanesulphonyl)imide] ([Coca][TfN]), were synthesized using two inexpensive amphoteric surfactants as cation sources. [Laur][TfN] (257 °C) and [Coca][TfN] (251 °C) exhibited good thermal stability and strong hydrophobicity. The viscosity of [Coca][TfN] (4.29 × 10 mP s) was higher than that of [Laur][TfN] (2.55 × 10 mPa s) at 25 °C. The optimal extraction conditions were an extraction equilibrium time of 40 min, an initial Sc(iii) concentration of 0.001 mol L, a sodium nitrate concentration of 0.5 mol L, and a pH of 3. The extraction efficiency of [Laur][TfN] and [Coca][TfN] could even exceed 98.7% and 96.0%, respectively. The cation exchange extraction mechanism was studied by slope analysis, IR spectroscopy and C NMR spectroscopy. Sc(iii) extracted using [Laur][TfN] and [Coca][TfN] could be completely stripped with 0.1 mol L and 0.2 mol L HNO once, respectively. The structure of the ILs was not broken after stripping, and the extraction efficiency of the ILs remained almost unchanged after five cycles. In addition, the extraction differences at different pH levels made it possible to separate Sc(iii) from other rare earths using ionic liquids [Laur][TfN] and [Coca][TfN].
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85184950844&origin=inward; http://dx.doi.org/10.1039/d3ra08238e; http://www.ncbi.nlm.nih.gov/pubmed/38323016; https://xlink.rsc.org/?DOI=D3RA08238E; https://dx.doi.org/10.1039/d3ra08238e; https://pubs.rsc.org/en/content/articlelanding/2024/ra/d3ra08238e
Royal Society of Chemistry (RSC)
Provide Feedback
Have ideas for a new metric? Would you like to see something else here?Let us know