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Development of a Citric-Acid-Modified Cellulose Adsorbent Derived from Moringa peregrina Leaf for Adsorptive Removal of Citalopram HBr in Aqueous Solutions

A citric-acid-modified Moringa peregrina leaf substrate was prepared and studied as an effective adsorbent for the adsorptive removal of citalopram HBr (CTM). FTIR spectra were utilized to characterize the prepared solid. The effects of experimental variables on the percentage removal of citalopram...

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Autores principales: Azmi, Syed Najmul Hejaz, Al Lawati, Wafa Mustafa, Al Hoqani, Umaima Hamed Abdullah, Al Aufi, Ekhlas, Al Hatmi, Khalsa, Al Zadjali, Jumana Salim, Rahman, Nafisur, Nasir, Mohd, Rahman, Habibur, Khan, Shah A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9227232/
https://www.ncbi.nlm.nih.gov/pubmed/35745679
http://dx.doi.org/10.3390/ph15060760
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author Azmi, Syed Najmul Hejaz
Al Lawati, Wafa Mustafa
Al Hoqani, Umaima Hamed Abdullah
Al Aufi, Ekhlas
Al Hatmi, Khalsa
Al Zadjali, Jumana Salim
Rahman, Nafisur
Nasir, Mohd
Rahman, Habibur
Khan, Shah A.
author_facet Azmi, Syed Najmul Hejaz
Al Lawati, Wafa Mustafa
Al Hoqani, Umaima Hamed Abdullah
Al Aufi, Ekhlas
Al Hatmi, Khalsa
Al Zadjali, Jumana Salim
Rahman, Nafisur
Nasir, Mohd
Rahman, Habibur
Khan, Shah A.
author_sort Azmi, Syed Najmul Hejaz
collection PubMed
description A citric-acid-modified Moringa peregrina leaf substrate was prepared and studied as an effective adsorbent for the adsorptive removal of citalopram HBr (CTM). FTIR spectra were utilized to characterize the prepared solid. The effects of experimental variables on the percentage removal of citalopram HBr were investigated using response surface methodology. The optimum conditions selected for removal of CTM were 7 and 4 min, 0.17 g per 50 mL and 35 mg·L(−1) for pH, contact time, adsorbent dose and initial concentration of CTM, respectively. Under the optimized experimental conditions, 82.59% CTM (35 mg·L(−1)) was removed. The Langmuir isotherm, Freundlich isotherm, pseudo second-order kinetic model and diffusion-chemisorption model explained the adsorption data successfully. The maximum adsorption capacity at 298 K was 8.58 mg·g(−1). A thermodynamic study illustrated that CTM adsorption was spontaneous and endothermic in nature.
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spelling pubmed-92272322022-06-25 Development of a Citric-Acid-Modified Cellulose Adsorbent Derived from Moringa peregrina Leaf for Adsorptive Removal of Citalopram HBr in Aqueous Solutions Azmi, Syed Najmul Hejaz Al Lawati, Wafa Mustafa Al Hoqani, Umaima Hamed Abdullah Al Aufi, Ekhlas Al Hatmi, Khalsa Al Zadjali, Jumana Salim Rahman, Nafisur Nasir, Mohd Rahman, Habibur Khan, Shah A. Pharmaceuticals (Basel) Article A citric-acid-modified Moringa peregrina leaf substrate was prepared and studied as an effective adsorbent for the adsorptive removal of citalopram HBr (CTM). FTIR spectra were utilized to characterize the prepared solid. The effects of experimental variables on the percentage removal of citalopram HBr were investigated using response surface methodology. The optimum conditions selected for removal of CTM were 7 and 4 min, 0.17 g per 50 mL and 35 mg·L(−1) for pH, contact time, adsorbent dose and initial concentration of CTM, respectively. Under the optimized experimental conditions, 82.59% CTM (35 mg·L(−1)) was removed. The Langmuir isotherm, Freundlich isotherm, pseudo second-order kinetic model and diffusion-chemisorption model explained the adsorption data successfully. The maximum adsorption capacity at 298 K was 8.58 mg·g(−1). A thermodynamic study illustrated that CTM adsorption was spontaneous and endothermic in nature. MDPI 2022-06-17 /pmc/articles/PMC9227232/ /pubmed/35745679 http://dx.doi.org/10.3390/ph15060760 Text en © 2022 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Azmi, Syed Najmul Hejaz
Al Lawati, Wafa Mustafa
Al Hoqani, Umaima Hamed Abdullah
Al Aufi, Ekhlas
Al Hatmi, Khalsa
Al Zadjali, Jumana Salim
Rahman, Nafisur
Nasir, Mohd
Rahman, Habibur
Khan, Shah A.
Development of a Citric-Acid-Modified Cellulose Adsorbent Derived from Moringa peregrina Leaf for Adsorptive Removal of Citalopram HBr in Aqueous Solutions
title Development of a Citric-Acid-Modified Cellulose Adsorbent Derived from Moringa peregrina Leaf for Adsorptive Removal of Citalopram HBr in Aqueous Solutions
title_full Development of a Citric-Acid-Modified Cellulose Adsorbent Derived from Moringa peregrina Leaf for Adsorptive Removal of Citalopram HBr in Aqueous Solutions
title_fullStr Development of a Citric-Acid-Modified Cellulose Adsorbent Derived from Moringa peregrina Leaf for Adsorptive Removal of Citalopram HBr in Aqueous Solutions
title_full_unstemmed Development of a Citric-Acid-Modified Cellulose Adsorbent Derived from Moringa peregrina Leaf for Adsorptive Removal of Citalopram HBr in Aqueous Solutions
title_short Development of a Citric-Acid-Modified Cellulose Adsorbent Derived from Moringa peregrina Leaf for Adsorptive Removal of Citalopram HBr in Aqueous Solutions
title_sort development of a citric-acid-modified cellulose adsorbent derived from moringa peregrina leaf for adsorptive removal of citalopram hbr in aqueous solutions
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9227232/
https://www.ncbi.nlm.nih.gov/pubmed/35745679
http://dx.doi.org/10.3390/ph15060760
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