NaCl aqueous solution as a novel electrode in a dielectric barrier discharge reactor for highly efficient ozone generation

Erhao GAO; Keying GUO; Qi JIN; Li HAN; Ning LI; Zuliang WU; Shuiliang YAO

doi:10.1088/2058-6272/acbef6

Plasma Science and Technology > 2023 > 25(7): 075502. > DOI: 10.1088/2058-6272/acbef6

Erhao GAO, Keying GUO, Qi JIN, Li HAN, Ning LI, Zuliang WU, Shuiliang YAO. NaCl aqueous solution as a novel electrode in a dielectric barrier discharge reactor for highly efficient ozone generation[J]. Plasma Science and Technology, 2023, 25(7): 075502. DOI: 10.1088/2058-6272/acbef6

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NaCl aqueous solution as a novel electrode in a dielectric barrier discharge reactor for highly efficient ozone generation

1.
School of Environmental Science and Engineering, Changzhou University, Changzhou 213164, People's Republic of China
2.
Key Laboratory of Advanced Plasma Catalysis Engineering for China Petrochemical Industry, Changzhou 213164, People's Republic of China
3.
School of Petrochemical Engineering, Changzhou University, Changzhou 213164, People's Republic of China

More Information

Corresponding author:
Zuliang WU, E-mail: wuzuliang@cczu.edu.cn

Shuiliang YAO, E-mail: yaos@cczu.edu.cn
Received Date: November 22, 2022
Revised Date: February 22, 2023
Accepted Date: February 23, 2023
Available Online: December 05, 2023
Published Date: April 04, 2023

Graphical Abstract

Abstract

Abstract

Ozone (O₃) generated by a dielectric barrier discharge (DBD) is widely used in various industrial processes. In this study, NaCl aqueous solution was used as a novel electric power transmission electrode in a DBD reactor (instead of a traditional metal electrode) for highly efficient ozone generation. The results demonstrated that a high O₃ yield of 242 g kWh^-1 with a concentration of 14.6 g m^-3 O₃ was achieved. The power transmission mechanism works because NaCl aqueous solution behaves as a capacitor when an alternating pulse voltage below 8 kHz is used. Compared with the resistance of the discharge barrier and discharge space, the resistance of NaCl aqueous solution can be ignored, which ensures that O₃ is generated efficiently. It is expected that O₃ generation using NaCl aqueous solution as a novel electrode in a DBD reactor could be an alternative technology with good application prospects.
- ozone,
- dielectric barrier discharge (DBD),
- electrode,
- NaCl aqueous solution

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Acknowledgments

This research was supported by National Natural Science Foundation of China (Nos. 12075037 and 22206013), the Natural Science Foundation of Jiangsu Province (No. BK20210857) and the Leading Innovative Talents Cultivation Project of Changzhou City (No. CQ20210083).

References (37)

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