• 关键词：4-氯苯酚(4-CP)  反应动力学

• 基金项目：国家自然科学基金

• 郁志勇
• 中国科学院生态环境研究中心, 北京 100085

• 王文华
• 中国科学院生态环境研究中心, 北京 100085

• 彭安
• 中国科学院生态环境研究中心, 北京 100085

• 摘要：研究了在模拟太阳光和紫外光作用下，4-氯苯酚(4-CP)的光反应动力学。研究表明，紫外光的作用更为显着。4-CP的反应速率与4-CP起始浓度、pH值，金属离子浓度、富里酸浓度等因素有关。通入空气，能够加速4-CP降解。

• Abstract：The photoreaction kinetics of 4-CP was studied under simulated sunlight and UV. The results indicated that the effect of UV was more striking. Reaction rate of 4-CP was influenced by following factors:1.Under the simulated sunlight, with an increase in the initial 4-CP concentration, the reduction rate of 4-CP increased;but exposed to UV, with an increase in the initial 4-CP concentration, the reduction rate of 4-CP reduced;2.With an increase in pH value, the reduction rate of 4-CP increased;3.Metal ions(Al³⁺ , Fe²⁺ , Fe³⁺ )could accelerate the reduction rate of 4-CP;4.Under the simulated sunlight, with an increase in FA concentration, the reduction rate of 4-CP reduced;but under UV, with an increase in the concentration of FA, the reduction rate of 4-CP increased;5.When air was ventilated, it could accelerate the reduction rate of 4-CP.

• Key words：chlorophenol(4-CP)  reaction kinetics

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