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Enhancement of Fe 3 O 4 /Au Composite Nanoparticles Catalyst in Oxidative Degradation of Methyl Orange Based on Synergistic Effect
Author(s) -
Gao Qin,
Xing Yan,
Peng Mingli,
Liu Yongshuai,
Luo Zhiyi,
Jin Yanyan,
Fan Haiming,
Li Kebin,
Chen Chao,
Cui Yali
Publication year - 2017
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.201700032
Subject(s) - chemistry , catalysis , oxidizing agent , methyl orange , nanoparticle , degradation (telecommunications) , composite number , decomposition , oxidative phosphorylation , nuclear chemistry , chemical engineering , photochemistry , inorganic chemistry , organic chemistry , biochemistry , telecommunications , materials science , photocatalysis , computer science , engineering , composite material
Enhancement of Fe 3 O 4 /Au nanoparticles ( Fe 3 O 4 /Au NPs ) catalyst was observed in the oxidative degradation of methyl orange by employing H 2 O 2 as oxidant. To evaluate the catalytic activity of Fe 3 O 4 /Au nanoparticles, different degradation conditions were investigated such as the amounts of catalyst, H 2 O 2 concentration and pH value. Based on our data, methyl orange was degraded completely in a short time. The enhanced catalytic activity and increased oxidation rate constant may be ascribed to synergistic catalyst‐activated decomposition of H 2 O 2 to • OH radical, which was one of the strong oxidizing species. Besides, Fe 3 O 4 /Au nanoparticles have exhibited satisfying recycle performance for potential industrial application.