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<datestamp>2018-01-16</datestamp>
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<publisher>HAL CCSD</publisher>
<title lang=en>Optimisation of graphene oxide–iron oxide nanocomposite in heterogeneous Fenton-like oxidation of Acid Orange 7</title>
<creator>Zubir, Nor Aida</creator>
<creator>Yacou, Christelle</creator>
<creator>Zhang, Xiwang</creator>
<creator>Diniz da Costa, João C.</creator>
<contributor>University of Queensland [Brisbane]</contributor>
<contributor>Chimie des Matériaux - Connaissance et Valorisation (COVACHIMM) ; Université des Antilles et de la Guyane (UAG)</contributor>
<contributor>The University of Queensland, FIM2Lab – Functional Interfacial Materials and Membrane Laboratory, School of Chemical Engineering, Brisbane, QLD 4067, Australia (FIM2Lab) ; University of Queensland [Brisbane]</contributor>
<description>International audience</description>
<source>ISSN: 2213-3437</source>
<source>Journal of Environmental Chemical Engineering</source>
<publisher>Elsevier</publisher>
<identifier>hal-01683206</identifier>
<identifier>https://hal.univ-antilles.fr/hal-01683206</identifier>
<source>https://hal.univ-antilles.fr/hal-01683206</source>
<source>Journal of Environmental Chemical Engineering, Elsevier, 2014, 2 (3), pp.1881 - 1888. 〈10.1016/j.jece.2014.08.001〉</source>
<identifier>DOI : 10.1016/j.jece.2014.08.001</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jece.2014.08.001</relation>
<language>en</language>
<subject>[CHIM.INOR] Chemical Sciences/Inorganic chemistry</subject>
<subject>[CHIM.MATE] Chemical Sciences/Material chemistry</subject>
<subject>[SDE.IE] Environmental Sciences/Environmental Engineering</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Well-dispersed iron oxide nanoparticles supported onto graphene oxide sheets (i.e. GO-Fe3O4 nanocomposite) were synthesised and used as heterogeneous Fenton-like catalyst for the degradation of Acid Orange 7 dye (AO7). The reaction was systematically investigated under various experimental conditions such as nanocomposite dosage, pH, temperature, oxidant and dye concentrations. Best results showed a fast 80% degradation in ∼20 min, whilst ∼98% of AO7 was successfully removed after 180 min of reaction time. The degradation kinetics of AO7 was most influenced by pH and temperature, and can be described by a pseudo-first-order reaction following the Langmuir-Hinshelwood mechanism. Analysis of the spent nanocomposite suggested that the phase of iron oxide nanoparticles remained unchanged whilst minor pore volume losses occurred via carbon deposition and/or re-stacking of GO sheets. © 2014 Elsevier Ltd.</description>
<date>2014-09</date>
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