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dc.contributor.authorWang, Y.
dc.contributor.authorXie, Y.
dc.contributor.authorSun, Hongqi
dc.contributor.authorXiao, J.
dc.contributor.authorCao, H.
dc.contributor.authorWang, Shaobin
dc.date.accessioned2017-01-30T13:28:25Z
dc.date.available2017-01-30T13:28:25Z
dc.date.created2015-10-29T04:09:32Z
dc.date.issued2016
dc.identifier.citationWang, Y. and Xie, Y. and Sun, H. and Xiao, J. and Cao, H. and Wang, S. 2016. 2D/2D nano-hybrids of γ-MnO2 on reduced graphene oxide for catalytic ozonation and coupling peroxymonosulfate activation. Journal of Hazardous Materials. 301: pp. 56-64.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/31958
dc.identifier.doi10.1016/j.jhazmat.2015.08.031
dc.description.abstract

Two-dimensional reduced graphene oxide (2D rGO) was employed as both a shape-directing medium and support to fabricate 2D γ-MnO2/2D rGO nano-hybrids (MnO2/rGO) via a facile hydrothermal route. For the first time, the 2D/2D hybrid materials were used for catalytic ozonation of 4-nitrophenol. The catalytic efficiency of MnO2/rGO was much higher than either MnO2 or rGO only, and rGO was suggested to play the role for promoting electron transfers. Quenching tests using tert-butanol, p-benzoquinone, and sodium azide suggested that the major radicals responsible for 4-nitrophenol degradation and mineralization are O2̄ and 1O2, but not radical dotOH. Reusability tests demonstrated a high stability of the materials in catalytic ozonation with minor Mn leaching below 0.5 ppm. Degradation mechanism, reaction kinetics, reusability and a synergistic effect between catalytic ozonation and coupling peroxymonosulfate (PMS) activation were also discussed.

dc.publisherElsevier
dc.title2D/2D nano-hybrids of γ-MnO2 on reduced graphene oxide for catalytic ozonation and coupling peroxymonosulfate activation
dc.typeJournal Article
dcterms.source.volume301
dcterms.source.startPage56
dcterms.source.endPage64
dcterms.source.issn0304-3894
dcterms.source.titleJournal of Hazardous Materials
curtin.departmentSchool of Chemical and Petroleum Engineering
curtin.accessStatusFulltext not available


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