Novel Electrolytic Regeneration Method for Cyclic Regeneration of Ozone Decomposition MnOx Catalysts
Source abstract
Abstract
The deactivation of ozone decomposition catalysts has been a bottleneck in their industrial application. As an efficient catalyst regeneration method, the liquid-phase method has attracted wide attention due to its operability and universality. However, the amount of waste liquid generated by the used regeneration liquid is a major drawback of its application. Therefore, we propose an electrolytic regeneration method for cyclic regeneration of MnO x ozone decomposition catalysts by combining the advantages of the electrolytic process. In this method, NaNO 2 solution is used to react with O 2 2– to efficiently regenerate the inactivated MnO x catalysts, while NO 2 – is oxidized to NO 3 –, and then the oxidized NO 3 – can be efficiently reduced to NO 2 – through the electrolysis process at the cathode with an 88% Faraday efficiency, ultimately realizing the recycling of the NO 2 – /NO 3 – regeneration solution. By this method, the regeneration of inactivated MnO x ozone catalysts can be realized only using electricity.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Ammonia Synthesis and Nitrogen Reduction · Catalytic Processes in Materials Science · Advanced Photocatalysis Techniques
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory of Biomass Chemical Engineering of Ministry of Education, Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
Zhejiang Quzhou Jusu Chemical Co., Ltd., Quzhou 324004, China
Zhejiang Qingke Environmental Protection Technology Co., Ltd., Quzhou 324004, China
Institute of Zhejiang University-Quzhou, Quzhou 324000, China
Funding
Zhejiang University · Central University Basic Research Fund of China · Quzhou Municipal Science and Technology Bureau
References (54)
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