Miniaturized domestic sewage treatment device

Through the miniaturized domestic sewage treatment device, the domestic sewage is treated with electrically assisted catalytic oxidation technology, which solves the problems of long operation and large land use of biological treatment methods, and achieves the sewage treatment effect of small size, convenient operation and short treatment cycle.

CN120058065AActive Publication Date: 2025-05-30ZHEJIANG SHUREN UNIV
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Patent Information

Application Number
CN202510382433.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2025-05-30
Estimated Expiration
2045-03-28

AI Technical Summary

Technical Problem

The existing biological treatment methods have problems such as long operation time, large area, large investment, long start time and unstable treatment effect when treating domestic sewage.

Method used

The domestic sewage treatment device is used to treat domestic sewage through electrically assisted catalytic oxidation. The device includes a plurality of electrodes and catalysts, and by controlling the voltage and current density, the release of corresponding ions is achieved, avoiding dependence on chemical agents.

Benefits of technology

It achieves the sewage treatment effect of small size, convenient operation and short treatment cycle, and does not require continuous and regular addition of chemical agents. It is suitable for areas with temporary use and no centralized treatment facilities.

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Abstract

The invention discloses a miniaturized domestic sewage treatment device. The domestic sewage treatment device comprises a first anode, a first cathode, a second anode, a second cathode, a stirring unit and a post-treatment unit which are sequentially arranged from upstream to downstream, magnesium sulfite particles are arranged at the first anode, activated aluminum oxide is arranged at the first cathode, the first cathode is communicated with an external air source, the second anode adopts an iron electrode plate, a copper-doped anti-perovskite phase coating is loaded on the surface of the second cathode, and the post-treatment unit mainly comprises a stainless steel electrode pair and calcium carbonate particles. The treatment device is small in size, convenient to operate, short in treatment period and low in requirement for water quality fluctuation.
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