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Published on: June 29, 2014
[Degradation of 4-chlorophenol in aqueous solution by high-voltage pulsed discharge-ozone technology]
Yuezhong Wen1, Xuanzhen Jiang, Weiping Liu
1Institute of Environmental Science, Zhejiang University, Hangzhou 310027, China.
Abstract:
The combination of high voltage pulse discharge and ozonation as an advanced oxidation technology was used to investigate the degradation of 4-chlorophenol (4-CP) in water. The factors that affect the rate of degradation were discussed. The 1.95 x 10(-3) mol/L solutions of 4-CP were almost completely (96%) degraded after the discharge treatment of 30 min. The degradation of 4-CP was investigated as a function of the ozone concentration, radical scavenger and electrode distance. The rate of 4-CP degradation increases with an increase in ozone concentration and a decrease in the electrode distance from 20 mm to 10 mm. The presence of radical scavenger decreased the rate of 4-CP degradation.
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