O3/UV法降解水中对硝基酚
DEGRADATION OF 4-NITROPHENOL IN WATER BY OZONE COMBINED WITH UV RADIATION
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摘要: 研究了臭氧、臭氧/紫外光(O3/UV)法降解对硝基酸过程中各种操作条件(包括气量、气相臭氧浓度、温度、初始pH值、初始TOC值以及紫外光强度等)的影响.臭氧与紫外光相结合对去除TOC有协同效应.根据实验确定出这一过程的宏观动力学方程.Abstract: The effect of gas flow rate, ozone concentration in gas phase, temperature, initial pH and initial TOC on the degradation of 4-nitrophenol by ozone with/without UV radiation was studied.The synergetic effect of ozone combined with UV on the removal of TOC in 4-nitrophenol solutions was observed.Global kinetics of this process was determined.
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Key words:
- ozone /
- 4-nitrophenol /
- TOC /
- O3/UV radiation
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