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Effect of the Number of Donor Atoms in Calix[4]arene Derivatives for Selective Complexation and Extraction of Mercury(II) Cations, Thermodynamics and Extraction Studies
School of Chemical Engineering, Chemical Engineering Department, Altiplano National University, Puno, Perú
School of Chemical Engineering, Chemical Engineering Department, Altiplano National University, Puno, Perú
School of Biomedical and Molecular Sciences, Chemistry Division, University of Surrey, Guildford, UK
- 1 School of Chemical Engineering, Chemical Engineering Department, Altiplano National University, Puno, Perú
- 2 School of Chemical Engineering, Chemical Engineering Department, Altiplano National University, Puno, Perú
- 3 School of Biomedical and Molecular Sciences, Chemistry Division, University of Surrey, Guildford, UK
Advances in Chemical Engineering and Science·Volume 11 (2021)·Pages 165–179·Published 26 February 2021·DOI10.4236/aces.2021.112011
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Abstract
Water pollution due to gold mining activity is increasingly worrying. One way to selectively mitigate it is through the use of complexing agents such as calixarenes, which selectively functionalized with soft donor atoms such as sulphur , can selectively remove this pollutant, for the selective complexation of mercury from contaminated water, which w as compared by conductimetry and liquid-liquid extraction studies with results that show that the derivative with the highest sulphur atoms is its structure which presents greater selectivity compared to the derivative with the lowest number of sulphur atoms, in both cases , they present very stable complexes.
KeywordsPollutantCalixareneMercurySelectivityDonor Atoms
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