A method for efficiently removing antibiotics and resistance genes based on Co3O4-ZIF@CNT catalytic membrane-UV irradiation

By integrating a Co3O4-ZIF@CNT catalytic membrane with UV irradiation, the activation of potassium persulfate composite salt by the Co3O4-ZIF@CNT catalytic membrane and the combination with low-intensity UV irradiation solves the problems of high reagent dosage and high UV irradiation intensity in existing technologies, and achieves efficient removal of antibiotics and resistance genes from water.

CN118598270BActive Publication Date: 2026-02-10SHANDONG UNIV
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Patent Information

Application Number
CN202410678653.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-05-29
Publication Date
2026-02-10
Estimated Expiration
2044-05-29

AI Technical Summary

Technical Problem

Existing advanced oxidation technologies require high dosages of chemicals and high UV irradiation intensity to remove antibiotics and resistance genes from water, resulting in high costs and making them unsuitable for practical applications. Furthermore, the effectiveness of UV irradiation is easily affected by particulate matter and color in the water.

Method used

An integrated device combining a Co3O4-ZIF@CNT catalytic membrane and UV irradiation was used. After activating the potassium persulfate complex salt through the Co3O4-ZIF@CNT catalytic membrane, combined with low-intensity UV irradiation, sufficient reactive oxygen components were generated to achieve efficient removal of antibiotics and resistance genes.

Benefits of technology

It significantly increased the yield of reactive oxygen species under low reagent dosage and low UV irradiation intensity, improved the removal efficiency of antibiotics and resistance genes, reduced treatment costs, and simplified the technical upgrade construction steps.

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Abstract

The present application relates to a kind of based on Co3O4-ZIF@CNT catalytic membrane-UV irradiation efficient removal antibiotic and resistance gene method, the treatment method of the present application is based on catalytic oxidation filter membrane-UV irradiation integration device carries out, catalytic oxidation filter membrane-UV irradiation integration device in the filter membrane-UV reaction component realizes the organic combination of Co3O4-ZIF@CNT catalytic membrane and ultraviolet irradiation, after wastewater is filtered, it is followed by ultraviolet irradiation, enough hydroxyl radical, singlet oxygen, superoxide radical, sulfate radical and other active oxygen components are generated, the efficient removal of antibiotic and resistance gene and other new pollutants is realized.The production and species of active oxygen species such as sulfate radical, singlet oxygen in the system are significantly improved, and high-efficiency water treatment effect is achieved under the condition of low oxidant dosage, low UV irradiation dose.
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