Enhanced anti-fouling and catalytic performance of nanocomposite membrane to improve water purification

This project addresses the critical challenges faced by polymeric membranes in water filtration, namely membrane fouling. This phenomenon is caused by the accumulation of unwanted contaminants, resulting in diminished filtration efficiency, higher operational costs for maintenance and reduced lifesp...

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Main Author: Goh, Natalie Sze Min
Other Authors: Darren Sun Delai
Format: Final Year Project
Language:English
Published: Nanyang Technological University 2024
Subjects:
Online Access:https://hdl.handle.net/10356/177544
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-1775442024-05-31T15:35:08Z Enhanced anti-fouling and catalytic performance of nanocomposite membrane to improve water purification Goh, Natalie Sze Min Darren Sun Delai School of Civil and Environmental Engineering DDSun@ntu.edu.sg Engineering Environmental engineering This project addresses the critical challenges faced by polymeric membranes in water filtration, namely membrane fouling. This phenomenon is caused by the accumulation of unwanted contaminants, resulting in diminished filtration efficiency, higher operational costs for maintenance and reduced lifespan. In response to this challenge, this project examined the performance of Cellulose Acetate (CA) membrane, together with MXene-Cellulose Acetate (MXene-CA) membrane and Cobalt (II) Hydroxycarbonate-MXene-Cellulose Acetate (Co2(OH)2CO3-MXene-CA) membrane. The latter membranes are CA membranes that had been enhanced with MXene through vacuum filtration and Co2(OH)2CO3-MXene through hydrothermal treatment & vacuum filtration respectively. In this project, the membranes underwent a comprehensive series of performance & characterisation tests and analyses such as the Deionised (DI) Water & Acid Orange 7 (AO7) Flux Tests, AO7 Particle Rejection Test, AO7 Visual Test & Ultraviolet-Visible (UV-VIS) Spectroscopy Test, Catalytic Membrane Reliability Test, Video Contact Angle (VCA) Analysis, Field Emission Scanning Electron Microscopy (FESEM) Analysis and Energy Dispersive X-ray (EDX) Analysis. From the results, the Co2(OH)2CO3-MXene-CA membrane proves to be the best among the membranes, showing improved permeability as well as superior particle rejection properties. Furthermore, this membrane exhibits exceptional anti-fouling properties, and it also has self-cleaning properties that provide a way for solving some maintenance-related challenges encountered in membrane technology. Overall, the project underlines how surface modification of nanomaterials in membranes improves membrane technology and thus provides a viable sustainable solution for water treatment and purification. The findings underscore the potential of the Co2(OH)2CO3-MXene- CA membrane as an attractive option for practical applications because it exhibits excellent performance attributes crucial to addressing the challenges faced in water treatment and purification on a wider scale. Bachelor's degree 2024-05-29T05:16:29Z 2024-05-29T05:16:29Z 2024 Final Year Project (FYP) Goh, N. S. M. (2024). Enhanced anti-fouling and catalytic performance of nanocomposite membrane to improve water purification. Final Year Project (FYP), Nanyang Technological University, Singapore. https://hdl.handle.net/10356/177544 https://hdl.handle.net/10356/177544 en application/pdf Nanyang Technological University
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic Engineering
Environmental engineering
spellingShingle Engineering
Environmental engineering
Goh, Natalie Sze Min
Enhanced anti-fouling and catalytic performance of nanocomposite membrane to improve water purification
description This project addresses the critical challenges faced by polymeric membranes in water filtration, namely membrane fouling. This phenomenon is caused by the accumulation of unwanted contaminants, resulting in diminished filtration efficiency, higher operational costs for maintenance and reduced lifespan. In response to this challenge, this project examined the performance of Cellulose Acetate (CA) membrane, together with MXene-Cellulose Acetate (MXene-CA) membrane and Cobalt (II) Hydroxycarbonate-MXene-Cellulose Acetate (Co2(OH)2CO3-MXene-CA) membrane. The latter membranes are CA membranes that had been enhanced with MXene through vacuum filtration and Co2(OH)2CO3-MXene through hydrothermal treatment & vacuum filtration respectively. In this project, the membranes underwent a comprehensive series of performance & characterisation tests and analyses such as the Deionised (DI) Water & Acid Orange 7 (AO7) Flux Tests, AO7 Particle Rejection Test, AO7 Visual Test & Ultraviolet-Visible (UV-VIS) Spectroscopy Test, Catalytic Membrane Reliability Test, Video Contact Angle (VCA) Analysis, Field Emission Scanning Electron Microscopy (FESEM) Analysis and Energy Dispersive X-ray (EDX) Analysis. From the results, the Co2(OH)2CO3-MXene-CA membrane proves to be the best among the membranes, showing improved permeability as well as superior particle rejection properties. Furthermore, this membrane exhibits exceptional anti-fouling properties, and it also has self-cleaning properties that provide a way for solving some maintenance-related challenges encountered in membrane technology. Overall, the project underlines how surface modification of nanomaterials in membranes improves membrane technology and thus provides a viable sustainable solution for water treatment and purification. The findings underscore the potential of the Co2(OH)2CO3-MXene- CA membrane as an attractive option for practical applications because it exhibits excellent performance attributes crucial to addressing the challenges faced in water treatment and purification on a wider scale.
author2 Darren Sun Delai
author_facet Darren Sun Delai
Goh, Natalie Sze Min
format Final Year Project
author Goh, Natalie Sze Min
author_sort Goh, Natalie Sze Min
title Enhanced anti-fouling and catalytic performance of nanocomposite membrane to improve water purification
title_short Enhanced anti-fouling and catalytic performance of nanocomposite membrane to improve water purification
title_full Enhanced anti-fouling and catalytic performance of nanocomposite membrane to improve water purification
title_fullStr Enhanced anti-fouling and catalytic performance of nanocomposite membrane to improve water purification
title_full_unstemmed Enhanced anti-fouling and catalytic performance of nanocomposite membrane to improve water purification
title_sort enhanced anti-fouling and catalytic performance of nanocomposite membrane to improve water purification
publisher Nanyang Technological University
publishDate 2024
url https://hdl.handle.net/10356/177544
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