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Direct synthesis of hydrogen peroxide from plasma-water interactions

Jiandi LiuInstitute of Electromagnetics and Acoustics, Department of Materials Science and Engineering, College of Materials, Xiamen University, Xiamen 361005, ChinaBangbang HeFujian Provincial Key Laboratory of Plasma and Magnetic Resonance, Institute of Electromagnetics and Acoustics, Department of Electronic Science, Xiamen University, Xiamen 361005, ChinaQiang ChenFujian Provincial Key Laboratory of Plasma and Magnetic Resonance, Institute of Electromagnetics and Acoustics, Department of Electronic Science, Xiamen University, Xiamen 361005, ChinaJunshuai LiKey Laboratory of Special Function Materials &Structure Design of the Ministry of Education, Key Laboratory for Magnetism &Magnetic Materials of the Ministry of Education, and School of Physical Science &Technology, Lanzhou University, 222 South Tianshui Road, Lanzhou 730000, ChinaQing XiongState Key Laboratory of Power Transmission Equipment &System Security and New Technology, Chongqing University, Chongqing 400044, ChinaGuanghui YueDepartment of Materials Science and Engineering, College of materials, Xiamen University, Xiamen 361005, ChinaXianhui ZhangFujian Provincial Key Laboratory of Plasma and Magnetic Resonance, Institute of Electromagnetics and Acoustics, Department of Electronic Science, Xiamen University, Xiamen 361005, ChinaSize YangFujian Provincial Key Laboratory of Plasma and Magnetic Resonance, Institute of Electromagnetics and Acoustics, Department of Electronic Science, Xiamen University, Xiamen 361005, ChinaHai LiuFujian Provincial Key Laboratory of Plasma and Magnetic Resonance, Institute of Electromagnetics and Acoustics, Department of Electronic Science, Xiamen University, Xiamen 361005, ChinaQing LiuDepartment of Electrical and Computer Engineering, Duke University, Durham, NC 27708, USA

2016en

ABI

Annotatsiya

Abstract Hydrogen peroxide (H 2 O 2 ) is usually considered to be an important reagent in green chemistry since water is the only by-product in H 2 O 2 involved oxidation reactions. Early studies show that direct synthesis of H 2 O 2 by plasma-water interactions is possible, while the factors affecting the H 2 O 2 production in this method remain unclear. Herein, we present a study on the H 2 O 2 synthesis by atmospheric pressure plasma-water interactions. The results indicate that the most important factors for the H 2 O 2 production are the processes taking place at the plasma-water interface, including sputtering, electric field induced hydrated ion emission, and evaporation. The H 2 O 2 production rate reaches ~1200 μmol/h when the liquid cathode is purified water or an aqueous solution of NaCl with an initial conductivity of 10500 μS cm −1 .

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DOI: 10.1038/srep38454

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