Preparation and characterisation of TiO <inf>2</inf> nanoparticle and titanate nanotube obtained from Ti-salt flocculated sludge with drinking water and seawater

Kim, JH; Okour, Y; Yang, HS; Kim, JB; Shon, HK

Preparation and characterisation of TiO <inf>2</inf> nanoparticle and titanate nanotube obtained from Ti-salt flocculated sludge with drinking water and seawater

Kim, JH Okour, Y Yang, HS Kim, JB Shon, HK

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Publication Type:: Journal Article
Citation:: Journal of Nanoscience and Nanotechnology, 2011, 11 (2), pp. 1640 - 1643
Issue Date:: 2011-02-01

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Field	Value	Language
dc.contributor.author	Kim, JH	en_US
dc.contributor.author	Okour, Y	en_US
dc.contributor.author	Yang, HS	en_US
dc.contributor.author	Kim, JB	en_US
dc.contributor.author	Shon, HK https://orcid.org/0000-0002-3777-7169	en_US
dc.date.issued	2011-02-01	en_US
dc.identifier.citation	Journal of Nanoscience and Nanotechnology, 2011, 11 (2), pp. 1640 - 1643	en_US
dc.identifier.issn	1533-4880	en_US
dc.identifier.uri	http://hdl.handle.net/10453/18359
dc.description.abstract	This study aimed to prepare and characterise titanium dioxide (TiO 2) nanoparticles and titanate nanotubes produced from Ti-sat flocculated sludge with drinking water (DW) and seawater (SW). The Ti-salt flocculated sludge from DW and SW was incinerated at 600 °C to produce TiO 2 nanoparticles. XRD results showed that the anatase TiO2 structure was predominant for TiO 2 from DW (TiO 2-DW) and TiO 2 from SW (TiO 2-SW), which were mainly doped with carbon atoms. Titanate nanotubes (tiNT) were obtained when TiO 2-DW and TiO 2-SW were hydrothermally treated with NaOH solution. Structure phase, shape, crystallisation and photocatalytic activity of tiNT were affected by the incineration temperature and the amount of sodium present in different tiNT. The tiNT doped with thiourea incinerated at 600 °C presented anatase phase, showing a high increase of the degree of crystallisation with nanotube-like structures. The photocatalytic activity of these photocatalysts was evaluated using photooxidation of gaseous acetaldehyde. Thiourea doped tiNT-DW and tiNT-SW showed similar photocatalytic activity compared to commercially available TiO 2-P25 under UV light and indicated a photocatalytic activity under visible light. Copyright © 2011 American Scientific Publishers All rights reserved.	en_US
dc.relation.ispartof	Journal of Nanoscience and Nanotechnology	en_US
dc.relation.isbasedon	10.1166/jnn.2011.3297	en_US
dc.subject.classification	Nanoscience & Nanotechnology	en_US
dc.title	Preparation and characterisation of TiO <inf>2</inf> nanoparticle and titanate nanotube obtained from Ti-salt flocculated sludge with drinking water and seawater	en_US
dc.type	Journal Article
utslib.citation.volume	2	en_US
utslib.citation.volume	11	en_US
utslib.for	0305 Organic Chemistry	en_US
utslib.for	03 Chemical Sciences	en_US
utslib.for	09 Engineering	en_US
utslib.for	10 Technology	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - CTWW - Centre for Technology in Water and Wastewater Treatment
utslib.copyright.status	closed_access
pubs.issue	2	en_US
pubs.publication-status	Published	en_US
pubs.volume	11	en_US

Abstract:

This study aimed to prepare and characterise titanium dioxide (TiO 2) nanoparticles and titanate nanotubes produced from Ti-sat flocculated sludge with drinking water (DW) and seawater (SW). The Ti-salt flocculated sludge from DW and SW was incinerated at 600 °C to produce TiO 2 nanoparticles. XRD results showed that the anatase TiO2 structure was predominant for TiO 2 from DW (TiO 2-DW) and TiO 2 from SW (TiO 2-SW), which were mainly doped with carbon atoms. Titanate nanotubes (tiNT) were obtained when TiO 2-DW and TiO 2-SW were hydrothermally treated with NaOH solution. Structure phase, shape, crystallisation and photocatalytic activity of tiNT were affected by the incineration temperature and the amount of sodium present in different tiNT. The tiNT doped with thiourea incinerated at 600 °C presented anatase phase, showing a high increase of the degree of crystallisation with nanotube-like structures. The photocatalytic activity of these photocatalysts was evaluated using photooxidation of gaseous acetaldehyde. Thiourea doped tiNT-DW and tiNT-SW showed similar photocatalytic activity compared to commercially available TiO 2-P25 under UV light and indicated a photocatalytic activity under visible light. Copyright © 2011 American Scientific Publishers All rights reserved.

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http://hdl.handle.net/10453/18359