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首页> 外文会议>Ozone world congress >Degradation of methyl tert-butyl ether (MTBE) and ethyl tert-butyl ether (ETBE) by ozone and ozone/hydrogen peroxide
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Degradation of methyl tert-butyl ether (MTBE) and ethyl tert-butyl ether (ETBE) by ozone and ozone/hydrogen peroxide

机译：臭氧和臭氧/过氧化氢降解甲基叔丁基醚（MTBE）和乙基叔丁基醚（ETBE）

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The a im of htis study was to determine the capability f ozone and combined ozne/hydrogen peroxide treatments to degrade oxygenated additives such as Methyl Tertio Butyl Ether (MTBE) and Ethyl tertio Butyl Ether (ETBE) in dilute aqueous solution using controled experimental conditions. Experiments conducted in a semi-continuous reactor with MTBE and ETBE in combination (initial concentration approx approx 200 mg/L of each) showed that ETBE was bettereliminated than MTBE with both ozone and combined O_3/H_2O_2. Batch experiments lead to the determination of the ratio of the kinetic constants for he reaction of OH deg -radical with MTBE and ETBE (kOH deg /ETBE/kOH deg /MTBE chemical bounds 1.7). Ter-Butyl formate and Tert-Butyl acetate were identified as the ozonation by products of MTBE and ETBE respoectively, while Tert-Butyl alochol was found to be produced during the ozonation of both compounds.
机译：该研究的一项主要目的是在受控的实验条件下确定臭氧和臭氧/过氧化氢联合处理在稀水溶液中降解含氧添加剂（如甲基叔丁基醚（MTBE）和乙基叔丁基醚（ETBE））的能力。在半连续反应器中结合使用MTBE和ETBE（各自的初始浓度约为200 mg / L）进行的实验表明，使用臭氧和O_3 / H_2O_2结合后，ETBE的消除效果均优于MTBE。批处理实验确定了OH自由基与MTBE和ETBE的反应动力学常数的比值（kOH deg / ETBE / kOH deg / MTBE化学极限1.7）。甲酸叔丁酯和乙酸叔丁酯被识别为MTBE和ETBE的产物臭氧重排臭氧化反应，而叔丁基丁香酚则是在两种化合物的臭氧化过程中产生的。

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