Linear and nonlinear investigations for the adsorption of paracetamol and metformin from water on acid-treated clay

Abstract Natural clays are considered a safe, low-cost, and sound sorbent for some pharmaceutical and body care products from water. Metformin (MF) and paracetamol (PA) are of the most consumable drugs worldwide. A portion of natural clay was treated with distilled water, and another part was treate...

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Autores principales:	Mohamed R. Elamin, Babiker Y. Abdulkhair, Faisal K. Algethami, L. Khezami
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/465b8a4fa3f54b0e83b6a941359df68f
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spelling	oai:doaj.org-article:465b8a4fa3f54b0e83b6a941359df68f2021-12-02T16:32:12ZLinear and nonlinear investigations for the adsorption of paracetamol and metformin from water on acid-treated clay10.1038/s41598-021-93040-y2045-2322https://doaj.org/article/465b8a4fa3f54b0e83b6a941359df68f2021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-93040-yhttps://doaj.org/toc/2045-2322Abstract Natural clays are considered a safe, low-cost, and sound sorbent for some pharmaceutical and body care products from water. Metformin (MF) and paracetamol (PA) are of the most consumable drugs worldwide. A portion of natural clay was treated with distilled water, and another part was treated with hydrochloric acid. The water-treated clay (WTC) and the acid-treated clay (ATC) were characterized by scanning electron microscopy-energy dispersive spectroscopy, X-ray diffraction, Fourier transforms infrared spectroscopy, and nitrogen adsorption isotherm. Batch experiments were employed to investigate the influence of contact time and solution parameters on the adsorption of PA and MF on WTC and ATC. 30 min attained the equilibrium for all sorbent-sorbate systems. Both sorbents fitted the pseudo-second-order kinetic model with a preference to the nonlinear fitting, and the mechanism of adsorption partially fitted the liquid-film diffusion model. The PA and MF adsorption on WTC and ATC fitted the Freundlich model in preference to nonlinear fitting. The adsorption of pollutants on both sorbents was spontaneous, exothermic, and physisorption in nature. Even at low concentrations, both WTC and ATC showed efficiency above 80% in removing PA and MF from tab water, groundwater, and Red seawater. These findings nominated natural clay as an alternative to the costly nanomaterials as sorbents for removing pharmaceutical contaminants from water.Mohamed R. ElaminBabiker Y. AbdulkhairFaisal K. AlgethamiL. KhezamiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Mohamed R. Elamin Babiker Y. Abdulkhair Faisal K. Algethami L. Khezami Linear and nonlinear investigations for the adsorption of paracetamol and metformin from water on acid-treated clay
description	Abstract Natural clays are considered a safe, low-cost, and sound sorbent for some pharmaceutical and body care products from water. Metformin (MF) and paracetamol (PA) are of the most consumable drugs worldwide. A portion of natural clay was treated with distilled water, and another part was treated with hydrochloric acid. The water-treated clay (WTC) and the acid-treated clay (ATC) were characterized by scanning electron microscopy-energy dispersive spectroscopy, X-ray diffraction, Fourier transforms infrared spectroscopy, and nitrogen adsorption isotherm. Batch experiments were employed to investigate the influence of contact time and solution parameters on the adsorption of PA and MF on WTC and ATC. 30 min attained the equilibrium for all sorbent-sorbate systems. Both sorbents fitted the pseudo-second-order kinetic model with a preference to the nonlinear fitting, and the mechanism of adsorption partially fitted the liquid-film diffusion model. The PA and MF adsorption on WTC and ATC fitted the Freundlich model in preference to nonlinear fitting. The adsorption of pollutants on both sorbents was spontaneous, exothermic, and physisorption in nature. Even at low concentrations, both WTC and ATC showed efficiency above 80% in removing PA and MF from tab water, groundwater, and Red seawater. These findings nominated natural clay as an alternative to the costly nanomaterials as sorbents for removing pharmaceutical contaminants from water.
format	article
author	Mohamed R. Elamin Babiker Y. Abdulkhair Faisal K. Algethami L. Khezami
author_facet	Mohamed R. Elamin Babiker Y. Abdulkhair Faisal K. Algethami L. Khezami
author_sort	Mohamed R. Elamin
title	Linear and nonlinear investigations for the adsorption of paracetamol and metformin from water on acid-treated clay
title_short	Linear and nonlinear investigations for the adsorption of paracetamol and metformin from water on acid-treated clay
title_full	Linear and nonlinear investigations for the adsorption of paracetamol and metformin from water on acid-treated clay
title_fullStr	Linear and nonlinear investigations for the adsorption of paracetamol and metformin from water on acid-treated clay
title_full_unstemmed	Linear and nonlinear investigations for the adsorption of paracetamol and metformin from water on acid-treated clay
title_sort	linear and nonlinear investigations for the adsorption of paracetamol and metformin from water on acid-treated clay
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/465b8a4fa3f54b0e83b6a941359df68f
work_keys_str_mv	AT mohamedrelamin linearandnonlinearinvestigationsfortheadsorptionofparacetamolandmetforminfromwateronacidtreatedclay AT babikeryabdulkhair linearandnonlinearinvestigationsfortheadsorptionofparacetamolandmetforminfromwateronacidtreatedclay AT faisalkalgethami linearandnonlinearinvestigationsfortheadsorptionofparacetamolandmetforminfromwateronacidtreatedclay AT lkhezami linearandnonlinearinvestigationsfortheadsorptionofparacetamolandmetforminfromwateronacidtreatedclay
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Linear and nonlinear investigations for the adsorption of paracetamol and metformin from water on acid-treated clay

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