臭氧組合技術(shù)對給水處理低壓膜污染控制研究進(jìn)展
- Title:
- Research Progress on Fouling Control of Low-pressure Membrane in Drinking Water Treatment by Ozonation Combination Technology
關(guān)鍵詞:
臭氧氧化; 膜污染; 飲用水處理; 低壓膜過濾技術(shù)
- Keywords:
- ozone oxidation; membrane fouling; drinking water treatment; lowpressure membrane filtration
摘要:- 目前，以微濾和超濾為代表的低壓膜過濾技術(shù)在飲用水處理中應(yīng)用廣泛，但普遍存在的膜污染問題仍然制約其進(jìn)一步發(fā)展。作為緩解膜污染的有效手段之一，臭氧氧化及其組合技術(shù)在低壓膜污染控制中得到了廣泛應(yīng)用�？偨Y(jié)了臭氧氧化及其組合技術(shù)(臭氧催化氧化、臭氧/雙氧水、臭氧/吸附和臭氧/混凝技術(shù))在飲用水處理中膜污染緩解方面的研究進(jìn)展，分析了以臭氧為核心的組合技術(shù)對天然有機物為主的各類膜污染物的去除效能與作用機制，最后對各種組合技術(shù)的發(fā)展與應(yīng)用前景進(jìn)行了總結(jié)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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