Preparation and Characterisation of Titanium dioxide Produced from Ti-salt Flocculated Sludge in Water Treatment

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dc.contributor.author Shon, Hokyong en_US
dc.contributor.author Okour, Yousef Hussein en_US
dc.contributor.author El Saliby, Ibrahim en_US
dc.contributor.author Park, J en_US
dc.contributor.author Cho, D en_US
dc.contributor.author Kim, J en_US
dc.contributor.author Park, H en_US
dc.contributor.editor en_US
dc.date.accessioned 2010-06-16T04:57:44Z
dc.date.available 2010-06-16T04:57:44Z
dc.date.issued 2009 en_US
dc.identifier 2008005351 en_US
dc.identifier.citation Shon Ho Kyong et al. 2009, 'Preparation and Characterisation of Titanium dioxide Produced from Ti-salt Flocculated Sludge in Water Treatment', Korean Chemical Society, vol. 20, no. 3, pp. 241-250. en_US
dc.identifier.issn 1225-0112 en_US
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/11790
dc.description.abstract In this study, titanium (Ti), ferric (Fe) and aluminum (Al) salt flocculants were compared for their efficiency in treating wastewater collected from Sydney Olympic Park wastewater treatment plant by following the jar test procedure. Produced sludge from Ti-salt flocculation was dried and titanium dioxide (TiO2) nanoparticles were generated after the incineration of sludge produced from the Ti-salt flocculation of wastewater. Later on, titanate nanotubes were synthesized after TiO2 nanoparticles were hydrothermally treated with 10 N NaOH solution at 130 ?C for 24 h. Titanate nanotubes were either acid or deionised water-washed, while thiourea-doping was employed to produce visible light-responsive nanotubes. Wastewater flocculation using Ti-salt was found to be as efficient as Fe and Al flocculation in terms of turbidity and DOC removal. XRD results showed that the anatase structure was predominant for TiO2 nanoparticles, while thiourea-doped titanate nanotubes only indicated anatase structure with an increased crystallinity after being crystallized at 600 ?C. The photocatalytic activity of all photocatalysts was evaluated using the photooxidation of acetaldehyde. Thiourea-doped nanotubes showed a greater photocatalytic activity than as-prepared TiO2 nanoparticles, deionised water-washed, acid-washed titanate nanotubes and P25 under UV and visible light irradiation. en_US
dc.language en_US
dc.publisher Korean Chemical Society en_US
dc.relation.hasversion Accepted manuscript version en_US
dc.title Preparation and Characterisation of Titanium dioxide Produced from Ti-salt Flocculated Sludge in Water Treatment en_US
dc.parent Journal of the Korean Industrial and Engineering Chemistry en_US
dc.journal.volume 20 en_US
dc.journal.number 3 en_US
dc.publocation Korea en_US
dc.identifier.startpage 241 en_US
dc.identifier.endpage 250 en_US
dc.cauo.name FEIT.School of Elec, Mech and Mechatronic Systems en_US
dc.conference Verified OK en_US
dc.for 039903 en_US
dc.personcode 995130 en_US
dc.personcode 10671600 en_US
dc.personcode 103883 en_US
dc.personcode 0000050506 en_US
dc.personcode 0000050483 en_US
dc.personcode 0000050489 en_US
dc.personcode 0000050507 en_US
dc.personcode 0000050490 en_US
dc.percentage 100 en_US
dc.classification.name Industrial Chemistry en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.location.activity en_US
dc.description.keywords flocculation, titanium salts, flocculated sludge, incineration, TiO2, photocatalysis, hydrogen production en_US


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