Organobeidellites for Removal of Anti-Inflammatory Drugs from Aqueous Solutions

Diclofenac (DC) and ibuprofen (IBU) are widely prescribed non-steroidal anti-inflammatory drugs, the consumption of which has rapidly increased in recent years. The biodegradability of pharmaceuticals is negligible and their removal efficiency by wastewater treatment is very low. Therefore, the beid...

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Autores principales:	Eva Plevová, Silvie Vallová, Lenka Vaculíková, Marianna Hundáková, Roman Gabor, Kateřina Smutná, Radim Žebrák
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	organobeidellite sorption ibuprofen diclofenac cetylpyridinium bromide benzalkonium bromide Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/f60875099099497a898005a8df8adb12
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spelling	oai:doaj.org-article:f60875099099497a898005a8df8adb122021-11-25T18:32:29ZOrganobeidellites for Removal of Anti-Inflammatory Drugs from Aqueous Solutions10.3390/nano111131022079-4991https://doaj.org/article/f60875099099497a898005a8df8adb122021-11-01T00:00:00Zhttps://www.mdpi.com/2079-4991/11/11/3102https://doaj.org/toc/2079-4991Diclofenac (DC) and ibuprofen (IBU) are widely prescribed non-steroidal anti-inflammatory drugs, the consumption of which has rapidly increased in recent years. The biodegradability of pharmaceuticals is negligible and their removal efficiency by wastewater treatment is very low. Therefore, the beidelitte (BEI) as unique nanomaterial was modified by the following different surfactants: cetylpyridinium (CP), benzalkonium (BA) and tetradecyltrimethylammonium (TD) bromides. Organobeidellites were tested as potential nanosorbents for analgesics. The organobeidellites were characterized using X-ray powder diffraction (XRD), Infrared spectroscopy (IR), Thermogravimetry and differential thermal analysis (TG/DTA) and scanning microscopy (SEM). The equilibrium concentrations of analgesics in solution were determined using UV-VIS spectroscopy. The intercalation of surfactants into BEI structure was confirmed both using XRD analysis due to an increase in basal spacing from 1.53 to 2.01 nm for BEI_BA and IR by decreasing in the intensities of bands related to the adsorbed water. SEM proved successful in the uploading of surfactants by a rougher and eroded organobeidellite surface. TG/DTA evaluated the decrease in dehydration/dehydroxylation temperatures due to higher hydrophobicity. The Sorption experiments demonstrated a sufficient sorption ability for IBU (55–86%) and an excellent ability for DC (over 90%). The maximum adsorption capacity was found for BEI_BA-DC (49.02 mg·g<sup>−1</sup>). The adsorption according to surfactant type follows the order BEI_BA > BEI_TD > BEI_CP.Eva PlevováSilvie VallováLenka VaculíkováMarianna HundákováRoman GaborKateřina SmutnáRadim ŽebrákMDPI AGarticleorganobeidellitesorptionibuprofendiclofenaccetylpyridinium bromidebenzalkonium bromideChemistryQD1-999ENNanomaterials, Vol 11, Iss 3102, p 3102 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	organobeidellite sorption ibuprofen diclofenac cetylpyridinium bromide benzalkonium bromide Chemistry QD1-999
spellingShingle	organobeidellite sorption ibuprofen diclofenac cetylpyridinium bromide benzalkonium bromide Chemistry QD1-999 Eva Plevová Silvie Vallová Lenka Vaculíková Marianna Hundáková Roman Gabor Kateřina Smutná Radim Žebrák Organobeidellites for Removal of Anti-Inflammatory Drugs from Aqueous Solutions
description	Diclofenac (DC) and ibuprofen (IBU) are widely prescribed non-steroidal anti-inflammatory drugs, the consumption of which has rapidly increased in recent years. The biodegradability of pharmaceuticals is negligible and their removal efficiency by wastewater treatment is very low. Therefore, the beidelitte (BEI) as unique nanomaterial was modified by the following different surfactants: cetylpyridinium (CP), benzalkonium (BA) and tetradecyltrimethylammonium (TD) bromides. Organobeidellites were tested as potential nanosorbents for analgesics. The organobeidellites were characterized using X-ray powder diffraction (XRD), Infrared spectroscopy (IR), Thermogravimetry and differential thermal analysis (TG/DTA) and scanning microscopy (SEM). The equilibrium concentrations of analgesics in solution were determined using UV-VIS spectroscopy. The intercalation of surfactants into BEI structure was confirmed both using XRD analysis due to an increase in basal spacing from 1.53 to 2.01 nm for BEI_BA and IR by decreasing in the intensities of bands related to the adsorbed water. SEM proved successful in the uploading of surfactants by a rougher and eroded organobeidellite surface. TG/DTA evaluated the decrease in dehydration/dehydroxylation temperatures due to higher hydrophobicity. The Sorption experiments demonstrated a sufficient sorption ability for IBU (55–86%) and an excellent ability for DC (over 90%). The maximum adsorption capacity was found for BEI_BA-DC (49.02 mg·g<sup>−1</sup>). The adsorption according to surfactant type follows the order BEI_BA > BEI_TD > BEI_CP.
format	article
author	Eva Plevová Silvie Vallová Lenka Vaculíková Marianna Hundáková Roman Gabor Kateřina Smutná Radim Žebrák
author_facet	Eva Plevová Silvie Vallová Lenka Vaculíková Marianna Hundáková Roman Gabor Kateřina Smutná Radim Žebrák
author_sort	Eva Plevová
title	Organobeidellites for Removal of Anti-Inflammatory Drugs from Aqueous Solutions
title_short	Organobeidellites for Removal of Anti-Inflammatory Drugs from Aqueous Solutions
title_full	Organobeidellites for Removal of Anti-Inflammatory Drugs from Aqueous Solutions
title_fullStr	Organobeidellites for Removal of Anti-Inflammatory Drugs from Aqueous Solutions
title_full_unstemmed	Organobeidellites for Removal of Anti-Inflammatory Drugs from Aqueous Solutions
title_sort	organobeidellites for removal of anti-inflammatory drugs from aqueous solutions
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/f60875099099497a898005a8df8adb12
work_keys_str_mv	AT evaplevova organobeidellitesforremovalofantiinflammatorydrugsfromaqueoussolutions AT silvievallova organobeidellitesforremovalofantiinflammatorydrugsfromaqueoussolutions AT lenkavaculikova organobeidellitesforremovalofantiinflammatorydrugsfromaqueoussolutions AT mariannahundakova organobeidellitesforremovalofantiinflammatorydrugsfromaqueoussolutions AT romangabor organobeidellitesforremovalofantiinflammatorydrugsfromaqueoussolutions AT katerinasmutna organobeidellitesforremovalofantiinflammatorydrugsfromaqueoussolutions AT radimzebrak organobeidellitesforremovalofantiinflammatorydrugsfromaqueoussolutions
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Organobeidellites for Removal of Anti-Inflammatory Drugs from Aqueous Solutions

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