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dc.contributor.authorIndrawirawan, S.
dc.contributor.authorSun, Hongqi
dc.contributor.authorDuan, X.
dc.contributor.authorWang, Shaobin
dc.identifier.citationIndrawirawan, S. and Sun, H. and Duan, X. and Wang, S. 2015. Nanocarbons in different structural dimensions (0–3D) for phenol adsorption and metal-free catalytic oxidation. Applied Catalysis B: Environmental. 179: pp. 352-362.

Metal-free nanocarbon materials in different structural dimensions, such as 0D fullerene (C60), 1D single-walled carbon nanotubes (SWCNTs), 2D graphene nanoplate (GNP), 3D hexagonally-ordered mesoporous carbon (CMK-3) and cubically-ordered mesoporous carbon (CMK-8) were investigated for adsorption and catalytic oxidation of phenol in water solutions. A variety of characterisation techniques were used to investigate the properties of the carbon samples. It was found that structural dimension and heat treatment would significantly affect the performance of the nanocarbons in adsorption and catalysis. Both GNP and CMK-3 showed better phenol adsorption with around 40% phenol removal in 500 mLof 20 ppm solutions. The nanocarbons were also used for metal-free activation of peroxymonosulfate(PMS) to produce sulfate radicals for catalytic phenol oxidation. Efficient catalysis was observed on CMK-3, CMK-8 and SWCNTs. Thermal treatment of the nanocarbons at 350?C in nitrogen was conducted to modulate the crystal and micro-structures and surface functional groups of the different nanocarbons. Enhancements at 2-fold in adsorption on SWCNTs and 7.5-fold in catalysis on CMK-8 were observed after the heat treatments. Mechanisms of adsorption and catalytic oxidation of phenol were discussed. This study contributes to the development of green materials for sustainable remediation of aqueous organic pollutants.

dc.publisherElsevier BV
dc.titleNanocarbons in different structural dimensions (0–3D) for phenol adsorption and metal-free catalytic oxidation
dc.typeJournal Article
dcterms.source.titleApplied Catalysis B: Environmental
curtin.departmentDepartment of Chemical Engineering
curtin.accessStatusFulltext not available

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