- PII
- S3034605325030087-1
- DOI
- 10.7868/S3034605325030087
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume 59 / Issue number 3
- Pages
- 71-82
- Abstract
- The present research work is devoted to studying the possibility of separation of copper(II) and iron(III) ions from hydrochloric acid solutions using hydrophobic eutectic solvents as extractants. New eutectic solvents trissobutylphosphine sulfide/octanol and trissobutylphosphine sulfide/octanoic acid were proposed and characterized for the first time. The eutectic solvents have low viscosity ( mPa s), which makes them technologically suitable extractants. A comparative analysis of the extraction efficiency of Cu(II) and Fe(III) with eutectic solvents, where menthol, octanol and octanoic acid were used as hydrogen bond donor, was carried out. The eutectic solvent based on octanoic acid is of the greatest interest as it is capable of selectively extracting metal ions over a wide range of aqueous phase acidity. In the absence of hydrochloric acid in the stock solution, β was 1432. The regularities of metal ions extraction at varying conditions of the process: acidity of the aqueous phase, volume ratio of phases and concentration of the salting out agent have been established. The possibility of purification of eutectic solvents from metal ions by different reextractants has been evaluated. The prospectivity of application of the proposed extraction systems for solving the problem of selective extraction of metal ions from technological solutions is shown.
- Keywords
- жидкостная экстракция ментол октанол октановая кислота переработка литий-ионные аккумуляторы
- Date of publication
- 30.04.2025
- Year of publication
- 2025
- Number of purchasers
- 0
- Views
- 13
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