Sustainable hydrophobic terpene-based eutectic solvents for the extraction and separation of metals

abstract

Sustainable hydrophobic eutectic solvents, composed of low-priced and biodegradable terpenes and fatty acids, were used for the extraction and separation of Cu(II) from other transition metals in mildly acidic solutions. Multiple parameters were evaluated for metal extraction and the hydrophobic eutectic solvent was successfully recovered and reused.

keywords

CARBOXYLIC-ACIDS; COMPLEXES; GREEN; MECHANISM; MEDIA

subject category

Chemistry

authors

Schaeffer, N; Martins, MAR; Neves, CMSS; Pinho, SP; Coutinho, JAP

our authors

acknowledgements

This work was part of BATRE-ARES project (ERA-MIN/0001/2015) funded by ADEME and FCT and partly developed in the scope of the project CICECO - Aveiro Institute of Materials, POCI-01-0145-FEDER-007679 (FCT Ref. UID/CTM/50011/2013). C. M. S. S. Neves acknowledges FCT for the postdoctoral grant (SFRH/BPD/109057/2015). M. A. R. Martins acknowledges financial support from NORTE 2020 (NORTE-01-0145-FEDER-000006) and DeepBiorefinery (PTDC/AGRTEC/1191/2014) projects.

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