Study on the Loadings of Co3O4 Supported on rGO as the Catalyst for Degradation of Orange II in Water by AOPs Based on Sulfate Radicals

Peng Hui Shi; Hon Gai Zheng; Wei Feng Yao; Qiang Wu; Si Yu Tan; Hong Jian Pang

doi:10.4028/www.scientific.net/AMR.955-959.62

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 955-959Study on the Loadings of Co3O4 Supported on rGO as...

Study on the Loadings of Co₃O₄ Supported on rGO as the Catalyst for Degradation of Orange II in Water by AOPs Based on Sulfate Radicals

Abstract:

A variety of loadings of Cobalt oxide (Co₃O₄) was successfully supported on the reduced graphene (Co₃O₄/rGO) as the catalyst to activate peroxymonosulfate (PMS) to generate sulfate radicals (SO₄⁻•) for degrading Orange II in water. The crystal structure of Co₃O₄/rGO with different loadings was characterized by X-ray diffraction (XRD), and their catalytic activity was compared in the same conditions. The result showed that the catalyst has an optimum Co₃O₄ loading. Using the 70.7% loading of Co₃O₄ in Co₃O₄/rGO as the catalyst, 100% decomposition could be achieved within 4 min with 1 mM Orange II, 0.05g/L catalyst, and 10 mM PMS.

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Periodical:

Advanced Materials Research (Volumes 955-959)

Pages:

62-65

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.955-959.62

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Online since:

June 2014

Authors:

Peng Hui Shi*, Hon Gai Zheng, Wei Feng Yao, Qiang Wu, Si Yu Tan, Hong Jian Pang

Keywords:

Co₃O₄, Loading, Orange II, Reduced Graphene Oxide, Sulfate Radicals

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