臭氧组合技术对给水处理低压膜污染控制研究进展
- Title:
- Research Progress on Fouling Control of Low-pressure Membrane in Drinking Water Treatment by Ozonation Combination Technology
- Keywords:
- ozone oxidation; membrane fouling; drinking water treatment; lowpressure membrane filtration
- 摘要:
- 目前，以微滤和超滤为代表的低压膜过滤技术在饮用水处理中应用广泛，但普遍存在的膜污染问题仍然制约其进一步发展。作为缓解膜污染的有效手段之一，臭氧氧化及其组合技术在低压膜污染控制中得到了广泛应用。总结了臭氧氧化及其组合技术(臭氧催化氧化、臭氧/双氧水、臭氧/吸附和臭氧/混凝技术)在饮用水处理中膜污染缓解方面的研究进展，分析了以臭氧为核心的组合技术对天然有机物为主的各类膜污染物的去除效能与作用机制，最后对各种组合技术的发展与应用前景进行了总结和展望。
- Abstract:
- Lowpressure membrane filtration represented by microfiltration and ultrafiltration is widely applied in drinking water treatment. However, membrane fouling during operation still restricts its further development. As one of the effective methods for mitigating membrane fouling， ozone oxidation and its combination technologies have been widely used in lowpressure membrane fouling control. This paper summarized the latest research progress on ozone oxidation and its combination technology including ozone catalytic oxidation, ozone/hydrogen peroxide, ozone/adsorption and ozone/coagulation for membrane fouling mitigation in drinking water treatment, and analyzed the removal efficiency and mechanism of various membrane fouling substance which were mainly natural organic matter. Finally, the development and application prospects of various combination technologies were illustrated as well.
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