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首页> 外文会议>International Symposium on East Asian Resources Recycling Technology（EARTH 2005); 20051109-15; Beijing(CN) >Sonochemical Decomposition of Chlorinated Aromatic Hydrocarbons in Aqueous Solution
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Sonochemical Decomposition of Chlorinated Aromatic Hydrocarbons in Aqueous Solution

机译：水溶液中氯化芳烃的声化学分解

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摘要

Ultrasonic decomposition of 4-chlorophenol (4-CP) and 1,2-dichlorobenzene (1,2-DB), as model substances of hydrophilic and hydrophobic organic compounds was studied. It is found that only about 43% of 4-CP and 70% of 1,2-DB can be decomposed after 1h irradiation. It is well known that OH radical is one of the strongest oxidant and can react with almost all types of organic compounds. Therefore, in order to increase the degradation efficiency, iron powder was added together with hydrogen peroxide to promote the Fenton-type reactions, which are known to generate OH radicals. The results showed that the proposed method could increase the sonochemical decomposition efficiency. Both 4-CP and 1,2-DB were decomposed completely in several minutes.
机译：研究了作为亲水性和疏水性有机化合物的模型物质的4-氯苯酚（4-CP）和1,2-二氯苯（1,2-DB）的超声分解。发现在照射1h后，仅约43％的4-CP和70％的1,2-DB可以分解。众所周知，OH自由基是最强的氧化剂之一，可以与几乎所有类型的有机化合物反应。因此，为了提高降解效率，将铁粉与过氧化氢一起加入以促进Fenton型反应，该反应已知会产生OH自由基。结果表明，该方法可以提高声化学分解效率。 4-CP和1,2-DB均在几分钟内完全分解。

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