一种针对嗅味物质去除的氧空位磁性臭氧催化材料及其制备方法

By preparing oxygen-vacancy magnetic ozone catalysts by loading Fe3O4 nanospheres onto MoS2, the problem of poor removal efficiency of odor substances in drinking water treatment by ozone oxidation was solved. This achieved efficient removal of odor substances and avoided secondary pollution, while improving the recyclability and service life of the catalyst.

CN118320843BActive Publication Date: 2026-07-17XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Filing Date
2024-04-19
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing ozone oxidation methods have limited effectiveness in removing odor substances in drinking water treatment and may lead to incomplete mineralization of GSM and 2-MIB, the generation of aldehydes, and bromate accumulation, posing a risk of secondary pollution.

Method used

Using MoS2, a transition metal sulfide with a "sandwich" structure, as a support, magnetic Fe3O4 nanospheres with oxygen-vacancy sites are loaded and prepared by ultrasonic treatment to improve the specific surface area and active sites of the catalyst, enhance the removal performance of odor substances, and avoid secondary pollution by utilizing the recyclability of magnetic materials.

Benefits of technology

It significantly improves the efficiency of ozone oxidation in removing odor substances from water, extends the service life of the catalyst, avoids secondary pollution, and ensures the quality and safety of drinking water.

✦ Generated by Eureka AI based on patent content.

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Abstract

本发明公开了一种针对嗅味物质去除的氧空位磁性臭氧催化材料及其制备方法,属于环保技术领域。制备方法包括以下步骤:(1)配制MoS2分散液,向MoS2分散液中加入三价铁盐、二价铁盐和NaOH溶液,搅拌,得到Fe3O4 / MoS2前驱体;(2)向步骤(1)所得Fe3O4 / MoS2前驱体溶液中加入NaBH4溶液,搅拌陈化,分离固体,洗涤干燥,制得。本发明制备得到的针对嗅味物质去除的氧空位磁性臭氧催化材料在饮用水臭氧催化氧化降解嗅味物质的应用中显示出优异的性能,提高了催化剂的可回收性的同时,加快臭氧在材料表面分解产生活性氧物种的速度,具有更好更长的重复使用寿命,避免了二次污染的产生。
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