Synthesis Of Chitosan-Activated Carbon Composites Using Hydrophilic Imidazolium-Based Ionic Liquids For Adsorption Of Acid Blue 25 Dye, Cd(ii) And Pb(ii) From Aqueous Solutions

Chitosan is a promising adsorbent for the removal of contaminants but its instability in acidic medium limits its potentials, and therefore its modification is necessary. Green synthesis approach featuring one pot mixture of chitosan (Ch) and activated charcoal (AC) in some selected hydrophilic imid...

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Main Author:	Olalekan, Saheed Ismaila
Format:	Thesis
Language:	English
Published:	2022
Subjects:	QD1-999 Chemistry
Online Access:	http://eprints.usm.my/59788/1/24%20Pages%20from%20SAHEED%20ISMAILA%20OLALEKAN.pdf
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id	my-usm-ep.59788
record_format	uketd_dc
spelling	my-usm-ep.597882024-02-02T02:55:22Z Synthesis Of Chitosan-Activated Carbon Composites Using Hydrophilic Imidazolium-Based Ionic Liquids For Adsorption Of Acid Blue 25 Dye, Cd(ii) And Pb(ii) From Aqueous Solutions 2022-10 Olalekan, Saheed Ismaila QD1-999 Chemistry Chitosan is a promising adsorbent for the removal of contaminants but its instability in acidic medium limits its potentials, and therefore its modification is necessary. Green synthesis approach featuring one pot mixture of chitosan (Ch) and activated charcoal (AC) in some selected hydrophilic imidazolium based ionic liquids (ILs) medium was utilised to modify chitosan into chitosan/activated carbon composite powders, beads and sponges. The prepared composites was utilised for the adsorption of acid blue 25 dye (AB25), Cd(II) and Pb(II) ions from aqueous solutions. Some selected hydrophilic imidazolium ILs including 1-allyl-3-methylimidazolium bromide (AmimBr), 1-allyl-3-methylimidazolium chloride (AmimCl), 1-ethyl-3-methylimidazolium acetate (EmimAc) and 1-butyl-3-methylimidazolium acetate (BmimAc) medium were utilised for the modification. The possible morphological and structural variation with respect to adsorptive characters and stability of the prepared composites were examined using scanning electron microscope (SEM), energy dispersive x-ray spectrometer (EDX), Brunauer–Emmett–Teller (BET) analysis, Fourier transform infrared (FTIR) spectrometer, x-ray diffraction (XRD) analysis and thermogravimetric analysis (TGA). 2022-10 Thesis http://eprints.usm.my/59788/ http://eprints.usm.my/59788/1/24%20Pages%20from%20SAHEED%20ISMAILA%20OLALEKAN.pdf application/pdf en public phd doctoral Perpustakaan Hamzah Sendut Pusat Pengajian Sains Kimia
institution	Universiti Sains Malaysia
collection	USM Institutional Repository
language	English
topic	QD1-999 Chemistry
spellingShingle	QD1-999 Chemistry Olalekan, Saheed Ismaila Synthesis Of Chitosan-Activated Carbon Composites Using Hydrophilic Imidazolium-Based Ionic Liquids For Adsorption Of Acid Blue 25 Dye, Cd(ii) And Pb(ii) From Aqueous Solutions
description	Chitosan is a promising adsorbent for the removal of contaminants but its instability in acidic medium limits its potentials, and therefore its modification is necessary. Green synthesis approach featuring one pot mixture of chitosan (Ch) and activated charcoal (AC) in some selected hydrophilic imidazolium based ionic liquids (ILs) medium was utilised to modify chitosan into chitosan/activated carbon composite powders, beads and sponges. The prepared composites was utilised for the adsorption of acid blue 25 dye (AB25), Cd(II) and Pb(II) ions from aqueous solutions. Some selected hydrophilic imidazolium ILs including 1-allyl-3-methylimidazolium bromide (AmimBr), 1-allyl-3-methylimidazolium chloride (AmimCl), 1-ethyl-3-methylimidazolium acetate (EmimAc) and 1-butyl-3-methylimidazolium acetate (BmimAc) medium were utilised for the modification. The possible morphological and structural variation with respect to adsorptive characters and stability of the prepared composites were examined using scanning electron microscope (SEM), energy dispersive x-ray spectrometer (EDX), Brunauer–Emmett–Teller (BET) analysis, Fourier transform infrared (FTIR) spectrometer, x-ray diffraction (XRD) analysis and thermogravimetric analysis (TGA).
format	Thesis
qualification_name	Doctor of Philosophy (PhD.)
qualification_level	Doctorate
author	Olalekan, Saheed Ismaila
author_facet	Olalekan, Saheed Ismaila
author_sort	Olalekan, Saheed Ismaila
title	Synthesis Of Chitosan-Activated Carbon Composites Using Hydrophilic Imidazolium-Based Ionic Liquids For Adsorption Of Acid Blue 25 Dye, Cd(ii) And Pb(ii) From Aqueous Solutions
title_short	Synthesis Of Chitosan-Activated Carbon Composites Using Hydrophilic Imidazolium-Based Ionic Liquids For Adsorption Of Acid Blue 25 Dye, Cd(ii) And Pb(ii) From Aqueous Solutions
title_full	Synthesis Of Chitosan-Activated Carbon Composites Using Hydrophilic Imidazolium-Based Ionic Liquids For Adsorption Of Acid Blue 25 Dye, Cd(ii) And Pb(ii) From Aqueous Solutions
title_fullStr	Synthesis Of Chitosan-Activated Carbon Composites Using Hydrophilic Imidazolium-Based Ionic Liquids For Adsorption Of Acid Blue 25 Dye, Cd(ii) And Pb(ii) From Aqueous Solutions
title_full_unstemmed	Synthesis Of Chitosan-Activated Carbon Composites Using Hydrophilic Imidazolium-Based Ionic Liquids For Adsorption Of Acid Blue 25 Dye, Cd(ii) And Pb(ii) From Aqueous Solutions
title_sort	synthesis of chitosan-activated carbon composites using hydrophilic imidazolium-based ionic liquids for adsorption of acid blue 25 dye, cd(ii) and pb(ii) from aqueous solutions
granting_institution	Perpustakaan Hamzah Sendut
granting_department	Pusat Pengajian Sains Kimia
publishDate	2022
url	http://eprints.usm.my/59788/1/24%20Pages%20from%20SAHEED%20ISMAILA%20OLALEKAN.pdf
_version_	1794024055807934464

Synthesis Of Chitosan-Activated Carbon Composites Using Hydrophilic Imidazolium-Based Ionic Liquids For Adsorption Of Acid Blue 25 Dye, Cd(ii) And Pb(ii) From Aqueous Solutions

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