Nano-structured titanium dioxide microsphere for humic acid removal in water

Natural organic matter (NOM) is always a key issue in water treatment. It does not only cause color, odor and taste problems but also forms halogenated by-products such as trihalomethanes (THMs) during chlorine disinfection process. Adsorption is often used as an individual separation process to min...

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Main Author: Lee, Pei Fung
Other Authors: Sun Delai, Darren
Format: Theses and Dissertations
Language:English
Published: 2010
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Online Access:https://hdl.handle.net/10356/41183
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-411832023-03-03T19:22:57Z Nano-structured titanium dioxide microsphere for humic acid removal in water Lee, Pei Fung Sun Delai, Darren School of Civil and Environmental Engineering DRNTU::Engineering::Environmental engineering::Water treatment Natural organic matter (NOM) is always a key issue in water treatment. It does not only cause color, odor and taste problems but also forms halogenated by-products such as trihalomethanes (THMs) during chlorine disinfection process. Adsorption is often used as an individual separation process to minimize the presence of NOM, particularly humic acid (HA), a subclass of NOM in water. Various adsorbents such as activated carbon and metal oxides have been reported to adsorb HA in water. The adsorption process in removing HA from water by TiO2 has gained attention due to its high adsorption capactiy, self regeneration, non-toxicity, high oxidation strength, high chemical stability and inexpensiveness. However, the use of commercial TiO2 in a suspension water treatment system has many limitations: physically unstable in aqueous phase and, difficulty in separation and recovery. Doctor of Philosophy (CEE) 2010-06-29T06:26:36Z 2010-06-29T06:26:36Z 2008 2008 Thesis Lee, P. F. (2008). Nano-structured titanium dioxide microsphere for humic acid removal in water. Doctoral thesis, Nanyang Technological University, Singapore. https://hdl.handle.net/10356/41183 10.32657/10356/41183 en 250 p. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic DRNTU::Engineering::Environmental engineering::Water treatment
spellingShingle DRNTU::Engineering::Environmental engineering::Water treatment
Lee, Pei Fung
Nano-structured titanium dioxide microsphere for humic acid removal in water
description Natural organic matter (NOM) is always a key issue in water treatment. It does not only cause color, odor and taste problems but also forms halogenated by-products such as trihalomethanes (THMs) during chlorine disinfection process. Adsorption is often used as an individual separation process to minimize the presence of NOM, particularly humic acid (HA), a subclass of NOM in water. Various adsorbents such as activated carbon and metal oxides have been reported to adsorb HA in water. The adsorption process in removing HA from water by TiO2 has gained attention due to its high adsorption capactiy, self regeneration, non-toxicity, high oxidation strength, high chemical stability and inexpensiveness. However, the use of commercial TiO2 in a suspension water treatment system has many limitations: physically unstable in aqueous phase and, difficulty in separation and recovery.
author2 Sun Delai, Darren
author_facet Sun Delai, Darren
Lee, Pei Fung
format Theses and Dissertations
author Lee, Pei Fung
author_sort Lee, Pei Fung
title Nano-structured titanium dioxide microsphere for humic acid removal in water
title_short Nano-structured titanium dioxide microsphere for humic acid removal in water
title_full Nano-structured titanium dioxide microsphere for humic acid removal in water
title_fullStr Nano-structured titanium dioxide microsphere for humic acid removal in water
title_full_unstemmed Nano-structured titanium dioxide microsphere for humic acid removal in water
title_sort nano-structured titanium dioxide microsphere for humic acid removal in water
publishDate 2010
url https://hdl.handle.net/10356/41183
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