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The development of a ternary nanocomposite for the removal of Cr(vi) ions from aqueous solutions

The aim of this study is to develop a ternary nanocomposite (NC) of polyaniline (PANI)/2-acrylamido-2-methylpropanesulfonic acid (AMPSA)-capped silver nanoparticles (NPs)/graphene oxide quantum dots (PANI/Ag (AMPSA)/GO QDs) as an efficient adsorbent for the removal of the highly toxic hexavalent chr...

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Autores principales: Shokry, Azza, El Tahan, Ayman, Ibrahim, Hesham, Soliman, Moataz, Ebrahim, Shaker
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Royal Society of Chemistry 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9075948/
https://www.ncbi.nlm.nih.gov/pubmed/35540631
http://dx.doi.org/10.1039/c9ra08298k
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author Shokry, Azza
El Tahan, Ayman
Ibrahim, Hesham
Soliman, Moataz
Ebrahim, Shaker
author_facet Shokry, Azza
El Tahan, Ayman
Ibrahim, Hesham
Soliman, Moataz
Ebrahim, Shaker
author_sort Shokry, Azza
collection PubMed
description The aim of this study is to develop a ternary nanocomposite (NC) of polyaniline (PANI)/2-acrylamido-2-methylpropanesulfonic acid (AMPSA)-capped silver nanoparticles (NPs)/graphene oxide quantum dots (PANI/Ag (AMPSA)/GO QDs) as an efficient adsorbent for the removal of the highly toxic hexavalent chromium (Cr(vi)) from polluted water. PANI/Ag (AMPSA)/GO QDs NC was synthesized via in situ oxidative polymerization. The effects of pH, adsorbent dose, initial concentration, temperature, contact time, ionic strength and co-existing ions on the removal of Cr(vi) by PANI/Ag (AMPSA)/GO QDs were investigated. The PANI/Ag (AMPSA)/GO QDs NC (25.0 mg) removed 99.9% of Cr(vi) from an aqueous solution containing 60 mg L(−1) Cr(vi) ions at pH 2. Energy dispersive X-ray (EDX) and inductively coupled plasma spectrometry (ICP) studies confirmed the adsorption of Cr(vi) and that some of the adsorbed Cr(vi) was reduced to Cr(iii). Cr(vi) removal by the PANI/Ag (AMPSA)/GO QDs NC followed the pseudo-second order kinetic model, and the removal was highly selective for Cr(vi) in the presence of other co-existing ions. In summary, the PANI/Ag (AMPSA)/GO QDs NC has potential as a novel adsorbent for Cr(vi).
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spelling pubmed-90759482022-05-09 The development of a ternary nanocomposite for the removal of Cr(vi) ions from aqueous solutions Shokry, Azza El Tahan, Ayman Ibrahim, Hesham Soliman, Moataz Ebrahim, Shaker RSC Adv Chemistry The aim of this study is to develop a ternary nanocomposite (NC) of polyaniline (PANI)/2-acrylamido-2-methylpropanesulfonic acid (AMPSA)-capped silver nanoparticles (NPs)/graphene oxide quantum dots (PANI/Ag (AMPSA)/GO QDs) as an efficient adsorbent for the removal of the highly toxic hexavalent chromium (Cr(vi)) from polluted water. PANI/Ag (AMPSA)/GO QDs NC was synthesized via in situ oxidative polymerization. The effects of pH, adsorbent dose, initial concentration, temperature, contact time, ionic strength and co-existing ions on the removal of Cr(vi) by PANI/Ag (AMPSA)/GO QDs were investigated. The PANI/Ag (AMPSA)/GO QDs NC (25.0 mg) removed 99.9% of Cr(vi) from an aqueous solution containing 60 mg L(−1) Cr(vi) ions at pH 2. Energy dispersive X-ray (EDX) and inductively coupled plasma spectrometry (ICP) studies confirmed the adsorption of Cr(vi) and that some of the adsorbed Cr(vi) was reduced to Cr(iii). Cr(vi) removal by the PANI/Ag (AMPSA)/GO QDs NC followed the pseudo-second order kinetic model, and the removal was highly selective for Cr(vi) in the presence of other co-existing ions. In summary, the PANI/Ag (AMPSA)/GO QDs NC has potential as a novel adsorbent for Cr(vi). The Royal Society of Chemistry 2019-11-28 /pmc/articles/PMC9075948/ /pubmed/35540631 http://dx.doi.org/10.1039/c9ra08298k Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by/3.0/
spellingShingle Chemistry
Shokry, Azza
El Tahan, Ayman
Ibrahim, Hesham
Soliman, Moataz
Ebrahim, Shaker
The development of a ternary nanocomposite for the removal of Cr(vi) ions from aqueous solutions
title The development of a ternary nanocomposite for the removal of Cr(vi) ions from aqueous solutions
title_full The development of a ternary nanocomposite for the removal of Cr(vi) ions from aqueous solutions
title_fullStr The development of a ternary nanocomposite for the removal of Cr(vi) ions from aqueous solutions
title_full_unstemmed The development of a ternary nanocomposite for the removal of Cr(vi) ions from aqueous solutions
title_short The development of a ternary nanocomposite for the removal of Cr(vi) ions from aqueous solutions
title_sort development of a ternary nanocomposite for the removal of cr(vi) ions from aqueous solutions
topic Chemistry
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9075948/
https://www.ncbi.nlm.nih.gov/pubmed/35540631
http://dx.doi.org/10.1039/c9ra08298k
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