Development Of Polysaccharide Derived Carbon Aerogels For The Remediation Of Pharmaceuticals Contaminated Water

The preparation of eco-friendly carbon aerogels via ambient pressure drying using natural polysaccharides, mainly carrageenan, pectin, sago, guar gum, konjac gum, xanthan gum, psyllium husk and sodium alginate have been conducted. The adsorption performance for the remediation of pharmaceutical comp...

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Main Author:	Balakrishnan, Kirushantini
Format:	Thesis
Language:	English
Published:	2019
Subjects:	T Technology
Online Access:	http://eprints.usm.my/51133/1/Development%20Of%20Polysaccharide%20Derived%20Carbon%20Aerogels%20For%20The%20Remediation%20Of%20Pharmaceuticals%20Contaminated%20Water.pdf
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spelling	my-usm-ep.511332022-01-11T08:24:39Z Development Of Polysaccharide Derived Carbon Aerogels For The Remediation Of Pharmaceuticals Contaminated Water 2019-08-01 Balakrishnan, Kirushantini T Technology TA1-2040 Engineering (General). Civil engineering (General) The preparation of eco-friendly carbon aerogels via ambient pressure drying using natural polysaccharides, mainly carrageenan, pectin, sago, guar gum, konjac gum, xanthan gum, psyllium husk and sodium alginate have been conducted. The adsorption performance for the remediation of pharmaceutical compounds, namely paracetamol (PCM), metformin (MTF), amoxicillin (AMX) and caffeine (CAF) has been examined. The preparation conditions were optimized, particularly the effects of activation agent, impregnation ratio (IR), activation temperature and activation time. Surface morphology projected well developed 3D porous structure of the carbon aerogels, with the specific surface area ranging between 729.34 m2/g to 2165.94 m2/g. The adsorptive uptakes increased proportional to the rising concentration gradients. The adsorption behaviour of MTF, AMX and CAF were highly dependent on the changing solution pH. The equilibrium data were described by the Langmuir, Freundlich and Temkin isotherm model, with maximum adsorption capacity for PCM, MTF, AMX and CAF of 416.79, 329.80, 583.11 and 324.90 mg/g, respectively. The adsorption kinetics were best fitted to the pseudo-second order kinetic model and thermodynamic parameters revealed the spontaneity, endothermic and exothermic characteristics of the adsorption interaction. This research has successfully explored an alternative pathway for preparation of natural carbon aerogels for the possible treatment of pharmaceutical compounds, specifically PCM, MTF, AMX and CAF from aqueous solution. 2019-08 Thesis http://eprints.usm.my/51133/ http://eprints.usm.my/51133/1/Development%20Of%20Polysaccharide%20Derived%20Carbon%20Aerogels%20For%20The%20Remediation%20Of%20Pharmaceuticals%20Contaminated%20Water.pdf application/pdf en public phd doctoral Universiti Sains Malaysia Pusat Penyelidikan Kejuruteraan Sungai dan Saliran Bandar (REDAC)
institution	Universiti Sains Malaysia
collection	USM Institutional Repository
language	English
topic	T Technology T Technology
spellingShingle	T Technology T Technology Balakrishnan, Kirushantini Development Of Polysaccharide Derived Carbon Aerogels For The Remediation Of Pharmaceuticals Contaminated Water
description	The preparation of eco-friendly carbon aerogels via ambient pressure drying using natural polysaccharides, mainly carrageenan, pectin, sago, guar gum, konjac gum, xanthan gum, psyllium husk and sodium alginate have been conducted. The adsorption performance for the remediation of pharmaceutical compounds, namely paracetamol (PCM), metformin (MTF), amoxicillin (AMX) and caffeine (CAF) has been examined. The preparation conditions were optimized, particularly the effects of activation agent, impregnation ratio (IR), activation temperature and activation time. Surface morphology projected well developed 3D porous structure of the carbon aerogels, with the specific surface area ranging between 729.34 m2/g to 2165.94 m2/g. The adsorptive uptakes increased proportional to the rising concentration gradients. The adsorption behaviour of MTF, AMX and CAF were highly dependent on the changing solution pH. The equilibrium data were described by the Langmuir, Freundlich and Temkin isotherm model, with maximum adsorption capacity for PCM, MTF, AMX and CAF of 416.79, 329.80, 583.11 and 324.90 mg/g, respectively. The adsorption kinetics were best fitted to the pseudo-second order kinetic model and thermodynamic parameters revealed the spontaneity, endothermic and exothermic characteristics of the adsorption interaction. This research has successfully explored an alternative pathway for preparation of natural carbon aerogels for the possible treatment of pharmaceutical compounds, specifically PCM, MTF, AMX and CAF from aqueous solution.
format	Thesis
qualification_name	Doctor of Philosophy (PhD.)
qualification_level	Doctorate
author	Balakrishnan, Kirushantini
author_facet	Balakrishnan, Kirushantini
author_sort	Balakrishnan, Kirushantini
title	Development Of Polysaccharide Derived Carbon Aerogels For The Remediation Of Pharmaceuticals Contaminated Water
title_short	Development Of Polysaccharide Derived Carbon Aerogels For The Remediation Of Pharmaceuticals Contaminated Water
title_full	Development Of Polysaccharide Derived Carbon Aerogels For The Remediation Of Pharmaceuticals Contaminated Water
title_fullStr	Development Of Polysaccharide Derived Carbon Aerogels For The Remediation Of Pharmaceuticals Contaminated Water
title_full_unstemmed	Development Of Polysaccharide Derived Carbon Aerogels For The Remediation Of Pharmaceuticals Contaminated Water
title_sort	development of polysaccharide derived carbon aerogels for the remediation of pharmaceuticals contaminated water
granting_institution	Universiti Sains Malaysia
granting_department	Pusat Penyelidikan Kejuruteraan Sungai dan Saliran Bandar (REDAC)
publishDate	2019
url	http://eprints.usm.my/51133/1/Development%20Of%20Polysaccharide%20Derived%20Carbon%20Aerogels%20For%20The%20Remediation%20Of%20Pharmaceuticals%20Contaminated%20Water.pdf
_version_	1747822061375455232

Development Of Polysaccharide Derived Carbon Aerogels For The Remediation Of Pharmaceuticals Contaminated Water

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