Chen Zhong-Lin, Cai Jin-Ling, Shen Ji-Min, Dong Lin
State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China.
Huan Jing Ke Xue. 2009 Apr 15;30(4):1044-9.
Benzotriazole (BTri) is widely used in industrial processes and households as anti-icer and corrosion inhibitors. However, the removal of BTri hasn't been reported yet. The results of an experimental study are presented which provide values for the reaction rate constants between molecular ozone and BTri, and overall reaction rate constants for the degradation of BTri in the pH range of 7-8. The kinetic rate constant for BTri degradation by molecular ozone was calculated to be 20.18 L x (mol x s)(-1) according to the experimental data. The study showed that the reaction between ozone and BTri was influenced by some factors. The degradation rate of BTri increased with the increase of the solution pH value and the water temperature, but changed little in the presence of some anions, such as NO3(-), SO4(2-) and Cl(-). The hydroxyl radical inhibitor tert-Butyl alcohol affected the removal of BTri to some degree, which proved that the ozone molecule was cooperated with the hydroxyl radical to remove BTri in the oxidation process.
苯并三唑（BTri）作为防冰剂和缓蚀剂广泛应用于工业生产和家庭中。然而，目前尚未见关于BTri去除的报道。本文给出了一项实验研究结果，该研究提供了分子态臭氧与BTri之间的反应速率常数，以及在pH值7 - 8范围内BTri降解的总反应速率常数。根据实验数据，计算得出分子态臭氧降解BTri的动力学速率常数为20.18 L×(mol×s)(-1)。研究表明，臭氧与BTri之间的反应受一些因素影响。BTri的降解速率随溶液pH值和水温的升高而增加，但在存在一些阴离子如NO3(-)、SO4(2-)和Cl(-)时变化不大。羟基自由基抑制剂叔丁醇在一定程度上影响了BTri的去除，这证明在氧化过程中臭氧分子与羟基自由基协同作用去除BTri。
