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Title: Hydrophobic amine-based binary mixtures of active pharmaceutical and food grade ingredients: characterization and application in indium extraction from aqueous hydrochloric acid media

Abstract

The wide spread use of hazardous and expensive solvents for the liquid-liquid extraction (LLE) of critical metals has been a growing source of waste in the metal refinement industry. We have developed and characterized room temperature liquid hydrophobic binary mixtures based on common pharmaceutical and food grade compounds as sustainable, cost effective alternatives to both ionic liquids and conventional solvents. Additionally, we introduce liquid mixtures with Proton Sponge® (1,8-bis(dimethylamino)naphthalene), one of the strongest known organic bases. These mixtures have been applied to the LLE of indium(III) ions from hydrochloric acid solutions, displaying an extraction efficiency greater than 99% in some systems. Here, a systematic approach to identifying the underlying mechanism of extraction, in particular relating to the charge, solubility, and complexation of the indium species in the organic phase has been developed.

Authors:
 [1];  [2];  [3];  [3];  [2]
  1. Texas A&M University, College Station, TX (United States); Saint Martin’s University, Lacey, WA (United States)
  2. Texas A&M University, College Station, TX (United States)
  3. Université de Strasbourg (France)
Publication Date:
Research Org.:
Texas A & M Univ., College Station, TX (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP); USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1668867
Alternate Identifier(s):
OSTI ID: 1670231
Grant/Contract Number:  
FG02-93ER40773; NA-0003180
Resource Type:
Accepted Manuscript
Journal Name:
Green Chemistry
Additional Journal Information:
Journal Volume: 2020; Journal Issue: 22; Journal ID: ISSN 1463-9262
Publisher:
Royal Society of Chemistry
Country of Publication:
United States
Language:
English
Subject:
38 RADIATION CHEMISTRY, RADIOCHEMISTRY, AND NUCLEAR CHEMISTRY

Citation Formats

Edgecomb, Joseph, Tereshatov, Evgeny, Zante, Guillaume, Boltoeva, Maria, and Folden, III, Charles M. Hydrophobic amine-based binary mixtures of active pharmaceutical and food grade ingredients: characterization and application in indium extraction from aqueous hydrochloric acid media. United States: N. p., 2020. Web. https://doi.org/10.1039/d0gc02452j.
Edgecomb, Joseph, Tereshatov, Evgeny, Zante, Guillaume, Boltoeva, Maria, & Folden, III, Charles M. Hydrophobic amine-based binary mixtures of active pharmaceutical and food grade ingredients: characterization and application in indium extraction from aqueous hydrochloric acid media. United States. https://doi.org/10.1039/d0gc02452j
Edgecomb, Joseph, Tereshatov, Evgeny, Zante, Guillaume, Boltoeva, Maria, and Folden, III, Charles M. Wed . "Hydrophobic amine-based binary mixtures of active pharmaceutical and food grade ingredients: characterization and application in indium extraction from aqueous hydrochloric acid media". United States. https://doi.org/10.1039/d0gc02452j. https://www.osti.gov/servlets/purl/1668867.
@article{osti_1668867,
title = {Hydrophobic amine-based binary mixtures of active pharmaceutical and food grade ingredients: characterization and application in indium extraction from aqueous hydrochloric acid media},
author = {Edgecomb, Joseph and Tereshatov, Evgeny and Zante, Guillaume and Boltoeva, Maria and Folden, III, Charles M.},
abstractNote = {The wide spread use of hazardous and expensive solvents for the liquid-liquid extraction (LLE) of critical metals has been a growing source of waste in the metal refinement industry. We have developed and characterized room temperature liquid hydrophobic binary mixtures based on common pharmaceutical and food grade compounds as sustainable, cost effective alternatives to both ionic liquids and conventional solvents. Additionally, we introduce liquid mixtures with Proton Sponge® (1,8-bis(dimethylamino)naphthalene), one of the strongest known organic bases. These mixtures have been applied to the LLE of indium(III) ions from hydrochloric acid solutions, displaying an extraction efficiency greater than 99% in some systems. Here, a systematic approach to identifying the underlying mechanism of extraction, in particular relating to the charge, solubility, and complexation of the indium species in the organic phase has been developed.},
doi = {10.1039/d0gc02452j},
journal = {Green Chemistry},
number = 22,
volume = 2020,
place = {United States},
year = {2020},
month = {9}
}

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