title: Electro-catalytic degradation of sulfisoxazole by using graphene anode.
abstract: Graphite and graphene electrodes were prepared by using pure graphite as precursor. The electrode materials were characterized by a scanning electron microscope (SEM), X-ray diffraction (XRD) and cyclic voltammetry (CV) measurements. The electro-catalytic activity for degradation of sulfisoxazole (SIZ) was investigated by using prepared graphene or graphite anode. The results showed that the degradation of SIZ was much more rapid on the graphene than that on the graphite electrode. Moreover, the graphene electrode exhibited good stability and recyclability. The analysis on the intermediate products and the measurement of active species during the SIZ degradation demonstrated that indirect oxidation is the dominant mechanism, involving the electro-catalytic generation of OH and O2(-) as the main active oxygen species. This study implies that graphene is a promising potential electrode material for long-term application to electro-catalytic degradation of organic pollutants.
authors.affiliation: Collaborative Innovation Center for Geo-Hazards and Eco-Environment in Three Gorges Area, Yichang 443002, China.
authors.forename: Yanyan
authors.initials: Y
authors.lastname: Wang
authors.affiliation: Key Laboratory of Marine New Materials and Application Technology, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China.
authors.forename: Shuan
authors.initials: S
authors.lastname: Liu
authors.affiliation: Collaborative Innovation Center for Geo-Hazards and Eco-Environment in Three Gorges Area, Yichang 443002, China.
authors.forename: Ruiping
authors.initials: R
authors.lastname: Li
authors.affiliation: Collaborative Innovation Center for Geo-Hazards and Eco-Environment in Three Gorges Area, Yichang 443002, China. Electronic address: chem_ctgu@126.com.
authors.forename: Yingping
authors.initials: Y
authors.lastname: Huang
authors.affiliation: Collaborative Innovation Center for Geo-Hazards and Eco-Environment in Three Gorges Area, Yichang 443002, China. Electronic address: ccchen@iccas.ac.cn.
authors.forename: Chuncheng
authors.initials: C
authors.lastname: Chen
mesh_terms: D055664:Electrochemical Techniques; D004566:Electrodes; D004785:Environmental Pollutants / Q000737:chemistry*; D006108:Graphite / Q000737:chemistry*; D013444:Sulfisoxazole / Q000737:chemistry*
chemical_list: D004785:Environmental Pollutants; D013444:Sulfisoxazole; D006108:Graphite
keywords: Degrade; Electro-catalytic; Graphene; Graphite; Sulfisoxazole