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Journals / Turkish Journal of Chemistry / 2013 / Cilt: 37 - Sayı: 2

Removal of Cr(III) and Cu(II) using oly(2-chloroaniline)/polyvinylidenefluoride composite cation-exchange membranes by Donnan dialysis

Esengül KIR
Sabriye Perçin ÖZKORUCUKLU
Pages
195–203
Publication Date
2013-02-01
DOI
—
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The flux value of copper(II) ion was higher than chromium(III) for all of composite membranes because of the hydration volume.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:P2ClAn/PVDF composite membranes were prepared utilizing cation-exchange groups in the PVDF (polyvinylidenefluoride) membrane matrix by casting method.
📊
Key Findings & Data:The poly(2-chloroaniline) (P2ClAn) was chemically synthesized with different dopant anions such as o-aminobenzene sulfonic acid (ABS) and sodium dodecyl sulfate (SDS).
💡
Conclusion & Impact:The flux value of copper(II) ion was higher than chromium(III) for all of composite membranes because of the hydration volume.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Conducting polymers · ion exchangers · membranes

Abstract

P2ClAn/PVDF composite membranes were prepared utilizing cation-exchange groups in the PVDF (polyvinylidenefluoride) membrane matrix by casting method. The poly(2-chloroaniline) (P2ClAn) was chemically synthesized with different dopant anions such as o-aminobenzene sulfonic acid (ABS) and sodium dodecyl sulfate (SDS). P2ClAn/PVDF membranes were extensively characterized for their surface morphology, thickness, ion-exchange capacity, SEM, AFM, and FTIR-ATR measurements. The SEM, AFM and FTIR-ATR pictures, comparing the original PVDF membrane support sheet to P2ClAn/PVDF composite membranes, indicate that the morphologies of the membranes are different. The membrane potential measurements were performed in various electrolyte solutions in order to observe the selectivity and stability of these membranes at different pHs. The P2ClAn/PVDF cation-exchange membranes were then used for the removal of chromium(III) and copper(II) ions from aqueous solution with Donnan dialysis. The flux values (J) of chromium(III) and copper(II) were obtained. The flux value of copper(II) ion was higher than chromium(III) for all of composite membranes because of the hydration volume.

Özet

P2ClAn/PVDF composite membranes were prepared utilizing cation-exchange groups in the PVDF (polyvinylidenefluoride) membrane matrix by casting method. The poly(2-chloroaniline) (P2ClAn) was chemically synthesized with different dopant anions such as o-aminobenzene sulfonic acid (ABS) and sodium dodecyl sulfate (SDS). P2ClAn/PVDF membranes were extensively characterized for their surface morphology, thickness, ion-exchange capacity, SEM, AFM, and FTIR-ATR measurements. The SEM, AFM and FTIR-ATR pictures, comparing the original PVDF membrane support sheet to P2ClAn/PVDF composite membranes, indicate that the morphologies of the membranes are different. The membrane potential measurements were performed in various electrolyte solutions in order to observe the selectivity and stability of these membranes at different pHs. The P2ClAn/PVDF cation-exchange membranes were then used for the removal of chromium(III) and copper(II) ions from aqueous solution with Donnan dialysis. The flux values (J) of chromium(III) and copper(II) were obtained. The flux value of copper(II) ion was higher than chromium(III) for all of composite membranes because of the hydration volume.

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Cite This Article

KIR, E., ÖZKORUCUKLU, S. P. (2013). Removal of Cr(III) and Cu(II) using oly(2-chloroaniline)/polyvinylidenefluoride composite cation-exchange membranes by Donnan dialysis. Turkish Journal of Chemistry, Cilt: 37 - Sayı: 2, 195–203. https://ajindex.com/articles/184690

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