Experimentally and theoretically approaches for disperse red 60 dye adsorption on novel quaternary nanocomposites

Abstract A comprehensive study that combined both experimental and computational experiments was performed to evaluate the usage of organo-metal oxide nanocomposite for the elimination of disperse red 60 dye (DR) from aqueous solutions. Chitosan was modified by Schiff base to form nanoneedles chitos...

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Autores principales:	N. K. Soliman, A. F. Moustafa, H. R. Abdel El-Mageed, Omima F. Abdel-Gawad, Esraa T. Elkady, Sayed A. Ahmed, Hussein S. Mohamed
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/1ef28443f7c141639b35b9f810426787
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spelling	oai:doaj.org-article:1ef28443f7c141639b35b9f8104267872021-12-02T16:57:37ZExperimentally and theoretically approaches for disperse red 60 dye adsorption on novel quaternary nanocomposites10.1038/s41598-021-89351-92045-2322https://doaj.org/article/1ef28443f7c141639b35b9f8104267872021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-89351-9https://doaj.org/toc/2045-2322Abstract A comprehensive study that combined both experimental and computational experiments was performed to evaluate the usage of organo-metal oxide nanocomposite for the elimination of disperse red 60 dye (DR) from aqueous solutions. Chitosan was modified by Schiff base to form nanoneedles chitosan-4-chloroacetophenone derivative. The derivatives were then impregnated with CeO2–CuO–Fe2O3 or CeO2–CuO–Al2O3 metal oxides to prepare a novel quarternary organo-metal oxide nanocomposite. The novel nanocomposite, chitosan-4-chloroacetophenone/CeO2–CuO–Fe2O3 (CF) and chitosan-4-chloroacetophenone/CeO2–CuO–Al2O3 (CA) are cheap and effective nano adsorbents that can be used for the uptake of DR from aqueous solution. The CF and CA nano-composites were characterized using different techniques. Moreover, the effect of adsorption parameters (initial DR concentration, time of contact, pH, temperature, and adsorbent mass) as well as CA and CF reusability tests were performed. Langmuir adsorption isotherm and pseudo-second-order kinetics models were best fitted with the adsorption process. The maximum amount of DR adsorbed was 100 mg/g on CF and CA at pH 2 and 4, respectively with a physical spontaneous, and exothermic adsorption process. Monte Carlo (MC) simulation studies indicated the adsorption of DR molecule on the CF and CA surfaces following a parallel mode in most of all studied configurations, confirming the strong interactions between the DR and surfaces atoms of CF and CA. The molecular structure analysis of DR dye adsorbed on the surface of CF and CA indicated that the adsorption process related to Van der Waals dispersion force. Consequently, this helps to trap DR dye molecules on the surface of CF and CA (i.e., physical adsorption), which supports our experimental results.N. K. SolimanA. F. MoustafaH. R. Abdel El-MageedOmima F. Abdel-GawadEsraa T. ElkadySayed A. AhmedHussein S. MohamedNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-27 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q N. K. Soliman A. F. Moustafa H. R. Abdel El-Mageed Omima F. Abdel-Gawad Esraa T. Elkady Sayed A. Ahmed Hussein S. Mohamed Experimentally and theoretically approaches for disperse red 60 dye adsorption on novel quaternary nanocomposites
description	Abstract A comprehensive study that combined both experimental and computational experiments was performed to evaluate the usage of organo-metal oxide nanocomposite for the elimination of disperse red 60 dye (DR) from aqueous solutions. Chitosan was modified by Schiff base to form nanoneedles chitosan-4-chloroacetophenone derivative. The derivatives were then impregnated with CeO2–CuO–Fe2O3 or CeO2–CuO–Al2O3 metal oxides to prepare a novel quarternary organo-metal oxide nanocomposite. The novel nanocomposite, chitosan-4-chloroacetophenone/CeO2–CuO–Fe2O3 (CF) and chitosan-4-chloroacetophenone/CeO2–CuO–Al2O3 (CA) are cheap and effective nano adsorbents that can be used for the uptake of DR from aqueous solution. The CF and CA nano-composites were characterized using different techniques. Moreover, the effect of adsorption parameters (initial DR concentration, time of contact, pH, temperature, and adsorbent mass) as well as CA and CF reusability tests were performed. Langmuir adsorption isotherm and pseudo-second-order kinetics models were best fitted with the adsorption process. The maximum amount of DR adsorbed was 100 mg/g on CF and CA at pH 2 and 4, respectively with a physical spontaneous, and exothermic adsorption process. Monte Carlo (MC) simulation studies indicated the adsorption of DR molecule on the CF and CA surfaces following a parallel mode in most of all studied configurations, confirming the strong interactions between the DR and surfaces atoms of CF and CA. The molecular structure analysis of DR dye adsorbed on the surface of CF and CA indicated that the adsorption process related to Van der Waals dispersion force. Consequently, this helps to trap DR dye molecules on the surface of CF and CA (i.e., physical adsorption), which supports our experimental results.
format	article
author	N. K. Soliman A. F. Moustafa H. R. Abdel El-Mageed Omima F. Abdel-Gawad Esraa T. Elkady Sayed A. Ahmed Hussein S. Mohamed
author_facet	N. K. Soliman A. F. Moustafa H. R. Abdel El-Mageed Omima F. Abdel-Gawad Esraa T. Elkady Sayed A. Ahmed Hussein S. Mohamed
author_sort	N. K. Soliman
title	Experimentally and theoretically approaches for disperse red 60 dye adsorption on novel quaternary nanocomposites
title_short	Experimentally and theoretically approaches for disperse red 60 dye adsorption on novel quaternary nanocomposites
title_full	Experimentally and theoretically approaches for disperse red 60 dye adsorption on novel quaternary nanocomposites
title_fullStr	Experimentally and theoretically approaches for disperse red 60 dye adsorption on novel quaternary nanocomposites
title_full_unstemmed	Experimentally and theoretically approaches for disperse red 60 dye adsorption on novel quaternary nanocomposites
title_sort	experimentally and theoretically approaches for disperse red 60 dye adsorption on novel quaternary nanocomposites
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/1ef28443f7c141639b35b9f810426787
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Experimentally and theoretically approaches for disperse red 60 dye adsorption on novel quaternary nanocomposites

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