Modification Of Chitosan With Deep Eutectic Solvent For The Adsorption Of Malachite Green

The presence of dye in environmental wastewater is a serious concern as it poses a threat to the ecosystem. This thesis provides background information about different techniques to remove malachite green (MG) from an aqueous medium. Various treatment technologies have been studied to remove dye, ad...

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Main Author:	Chadi, Sadiq Abubakar
Format:	Thesis
Language:	English
Published:	2022
Subjects:	QD1-999 Chemistry
Online Access:	http://eprints.usm.my/59241/1/SADIQ%20ABUBAKAR%20CHADI%20-%20TESIS%20cut.pdf
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spelling	my-usm-ep.592412023-08-24T02:59:36Z Modification Of Chitosan With Deep Eutectic Solvent For The Adsorption Of Malachite Green 2022-07 Chadi, Sadiq Abubakar QD1-999 Chemistry The presence of dye in environmental wastewater is a serious concern as it poses a threat to the ecosystem. This thesis provides background information about different techniques to remove malachite green (MG) from an aqueous medium. Various treatment technologies have been studied to remove dye, adsorption and semi-permeable membrane extraction using polymer inclusion membrane (PIM). These methods are considered efficient methods for the decontamination of dyes from wastewater in this study. Chitosan (CH) is considered a promising, readily available, and inexpensive adsorption material obtained as a by-product from the seafood industry and other sources. Meanwhile, CH was functionalised and used as an adsorbent. CH was functionalised with using deep eutectic solvents (DES) to syntheses beads, magnetic nano-sized particles and was used as extractants and plasticisers at a different ratio. DES such as bis-(2-Ethylhexyl) phosphate (B2EHP), Aliquat 336, and dioctyl phthalate (DOP) were used to prepared PIMs. Various techniques such as pH point of zero charge (pHpzc), solubility, scanning electron microscopy (SEM), energy dispersion X-ray (EDX), vibrating sample magnetometry (VSM), transmission electron microscopy (TEM), thermo gravimetric/differential thermal analyses (TGA/DTA), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and Brunauer-Emett-Teller (BET) were carried out to analyse the physicochemical characteristics of the newly prepared CH materials. The characterisation analysis has shown surface modifications, incorporated B2EHP, DOP, Aliquat 336, iron, and chloride ions onto the CH molecules. 2022-07 Thesis http://eprints.usm.my/59241/ http://eprints.usm.my/59241/1/SADIQ%20ABUBAKAR%20CHADI%20-%20TESIS%20cut.pdf application/pdf en public phd doctoral Universiti Sains Malaysia Pusat Pengajian Sains Kimia
institution	Universiti Sains Malaysia
collection	USM Institutional Repository
language	English
topic	QD1-999 Chemistry
spellingShingle	QD1-999 Chemistry Chadi, Sadiq Abubakar Modification Of Chitosan With Deep Eutectic Solvent For The Adsorption Of Malachite Green
description	The presence of dye in environmental wastewater is a serious concern as it poses a threat to the ecosystem. This thesis provides background information about different techniques to remove malachite green (MG) from an aqueous medium. Various treatment technologies have been studied to remove dye, adsorption and semi-permeable membrane extraction using polymer inclusion membrane (PIM). These methods are considered efficient methods for the decontamination of dyes from wastewater in this study. Chitosan (CH) is considered a promising, readily available, and inexpensive adsorption material obtained as a by-product from the seafood industry and other sources. Meanwhile, CH was functionalised and used as an adsorbent. CH was functionalised with using deep eutectic solvents (DES) to syntheses beads, magnetic nano-sized particles and was used as extractants and plasticisers at a different ratio. DES such as bis-(2-Ethylhexyl) phosphate (B2EHP), Aliquat 336, and dioctyl phthalate (DOP) were used to prepared PIMs. Various techniques such as pH point of zero charge (pHpzc), solubility, scanning electron microscopy (SEM), energy dispersion X-ray (EDX), vibrating sample magnetometry (VSM), transmission electron microscopy (TEM), thermo gravimetric/differential thermal analyses (TGA/DTA), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and Brunauer-Emett-Teller (BET) were carried out to analyse the physicochemical characteristics of the newly prepared CH materials. The characterisation analysis has shown surface modifications, incorporated B2EHP, DOP, Aliquat 336, iron, and chloride ions onto the CH molecules.
format	Thesis
qualification_name	Doctor of Philosophy (PhD.)
qualification_level	Doctorate
author	Chadi, Sadiq Abubakar
author_facet	Chadi, Sadiq Abubakar
author_sort	Chadi, Sadiq Abubakar
title	Modification Of Chitosan With Deep Eutectic Solvent For The Adsorption Of Malachite Green
title_short	Modification Of Chitosan With Deep Eutectic Solvent For The Adsorption Of Malachite Green
title_full	Modification Of Chitosan With Deep Eutectic Solvent For The Adsorption Of Malachite Green
title_fullStr	Modification Of Chitosan With Deep Eutectic Solvent For The Adsorption Of Malachite Green
title_full_unstemmed	Modification Of Chitosan With Deep Eutectic Solvent For The Adsorption Of Malachite Green
title_sort	modification of chitosan with deep eutectic solvent for the adsorption of malachite green
granting_institution	Universiti Sains Malaysia
granting_department	Pusat Pengajian Sains Kimia
publishDate	2022
url	http://eprints.usm.my/59241/1/SADIQ%20ABUBAKAR%20CHADI%20-%20TESIS%20cut.pdf
_version_	1776101270414688256

Modification Of Chitosan With Deep Eutectic Solvent For The Adsorption Of Malachite Green

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