Exploiting Ion–Dipole and Ion‑Exchange interactions for the removal of Aminopyridines from aqueous environments using Polymer inclusion membranes

Simple item page
dc.contributor.authorMwakalesi, Alinanuswe J.
dc.contributor.authorPotter, Ian D.
dc.date.accessioned2023-07-18T08:55:44Z
dc.date.available2023-07-18T08:55:44Z
dc.date.issued2023-07-12
dc.descriptionJournal Articleen_US
dc.description.abstractAminopyridines, such as 4-amino-2-chloropyridine (ACP), are not only starting materials for many useful chemicals but also decomposition by-products that are extremely stable in an aqueous environment. Aliquat 336 has proved useful as a car- rier in polymer inclusion membranes (PIMs) for the extraction and transport of small organic anions through ion-exchange processes. However, less attention has been paid to the use of the carrier for the extraction of neutral or cationic organic compounds like aminopyridines. The current study focuses on using PIMs containing Aliquat 336 to target ACP using ion–dipole interactions. The investigations were performed using both experimental methods and computational model- ling. The findings indicated that ACP was transported through a combination of both passive and facilitated diffusion in the rate-determining steps. Significant facilitated transport occurred when PIMs contained 10 wt% or more Aliquat 336. The transport of ACP was fundamentally driven by pH but also benefited from a chloride gradient that resulted in the concurrent transport of orthophosphate. An optimal membrane composition delivered a reasonable flux of 413 (± 9) × ­10–8 mol ­m−2 ­s−1 and good transport efficiency of 98% for ACP. Our findings provide more incentive for the continued development of PIM chemistry to target troublesome organic pollutants and recover useful chemicals from water sources.en_US
dc.identifier.urihttp://www.suaire.sua.ac.tz/handle/123456789/5394
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.subjectEnvironmental remediationen_US
dc.subjectPolymer inclusion membraneen_US
dc.subjectAminopyridinesen_US
dc.subjectMolecular dynamics simulationen_US
dc.subjectAliquat 336en_US
dc.titleExploiting Ion–Dipole and Ion‑Exchange interactions for the removal of Aminopyridines from aqueous environments using Polymer inclusion membranesen_US
dc.typeArticleen_US
dc.urlhttps://doi.org/10.1007/s42250-023-00734-zen_US

Files

Original bundle

Now showing 1 - 1 of 1
No Thumbnail Available
Name:
Mwakalesi_ Exploiting_ Ion.pdf
Size:
2.12 MB
Format:
Adobe Portable Document Format
Description:
Download

License bundle

Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.67 KB
Format:
Item-specific license agreed upon to submission
Description:
Download

Collections

Articles, Conference and Workshop Papers Collection