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Degradation of organic dyes by P25-reduced graphene oxide: influence of inorganic salts and surfactants

Wang, Jinfeng, Zhu, Haijin, Hurren, Christopher, Zhao, Jian, Pakdel, Esfandiar, Li, Zhenyu and Wang, Xungai 2015, Degradation of organic dyes by P25-reduced graphene oxide: influence of inorganic salts and surfactants, Journal of environmental chemical engineering, vol. 3, no. 3, pp. 1437-1443, doi: 10.1016/j.jece.2015.05.008.

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Title Degradation of organic dyes by P25-reduced graphene oxide: influence of inorganic salts and surfactants
Author(s) Wang, Jinfeng
Zhu, Haijin
Hurren, ChristopherORCID iD for Hurren, Christopher orcid.org/0000-0002-3274-4675
Zhao, Jian
Pakdel, Esfandiar
Li, Zhenyu
Wang, Xungai
Journal name Journal of environmental chemical engineering
Volume number 3
Issue number 3
Start page 1437
End page 1443
Total pages 7
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015
ISSN 2213-3437
Keyword(s) Dye removal
Graphene
Photocatalyst
Salt
Surfactant
Summary Treatment of coloured effluent treatment is a major issue for the textile industry. In this study, catalyst P25-graphene was prepared and applied for degrading dye from an aqueous solution. Three types of dyes were selected to determine the feasibility of the catalyst for the dye degradation, including sulphonic, azoic, and fluorescent dyes. P25-graphene catalyst showed good ability to degrade all selected dyes. The influence of inorganic salts and surfactants on the photocatalytic degradation of rhodamine B using catalyst P25-graphene was also investigated. The degradation of rhodamine B was suppressed by the presence of NaCl, but the effect of Na2SO4 was negligible. The degradation of rhodamine B was significantly suppressed by all three types of surfactant, namely anionic, cationic and non-ionic surfactants. NMR technique was used to investigate the mechanisms associated with this suppression.
Language eng
DOI 10.1016/j.jece.2015.05.008
Field of Research 050205 Environmental Management
030306 Synthesis of Materials
091012 Textile Technology
Socio Economic Objective 960912 Urban and Industrial Water Management
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2015, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30074131

Document type: Journal Article
Collection: Institute for Frontier Materials
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