Sustainable hydrophobic terpene-based eutectic solvents for the extraction and separation of metals (original) (raw)

2018, Chemical Communications

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.

Extraction Behaviour of Cu 2+ Ions with Used Cooking Oil-Based Organic Solvent

The aim of this work was to study the extraction behaviour of Cu 2+ ions from aqueous solution with used cooking oil-based organic solvent. The used cooking oil-based organic solvent was composed of di-2-ethylhexylphosphoric acid (extractant), tributylphosphate (phase modifier) and used cooking oil (diluent). Effects of equilibrium pH (2-6), extractant concentration (10-100 mM) and operating temperature (25-47 o C) on Cu 2+ ion extraction from aqueous solution were investigated. It was found that used cooking oil-based organic solvent is a potential green and low-cost organic solvent for Cu 2+ ion extraction from aqueous solution.

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