Pressure Hydrolysis for Degradation of Omethoate Pesticide in Water
Pressure Hydrolysis for Degradation of Omethoate Pesticide in Water作者机构：College of Resources and Environmental Engineering Department of Physics
出 版 物：《Journal of Shanghai University(English Edition)》 (上海大学学报（英文版）)
年 卷 期：2004年第8卷第2期
页 面：221-226页
学科分类：0810[工学-信息与通信工程] 083002[工学-环境工程] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0701[理学-数学] 0812[工学-计算机科学与技术（可授工学、理学学位）]
主 题：pressure hydrolysis organophosphorus pesticide degradation
摘 要：The effect of pressure on the hydrolysis rates and the degradation kinetics of environmentally persistent omethoate pesticide was studied. The results showed that the values of k obs increased and the values of activation volume (AV) decreased with increasing pressure. Among pH conditions (3.58, 6.01 and 8.5), pH 8. 5 was found to be the unstable condition and its half-life was reduced from 263 min at 1 atm to 19.37 min at 10 atm. These results describe that high-pressure hydrolysis is a useful technique for the conversion of toxic organic phosphorus into inorganic phosphorus. Key words pressure hydrolysis - organophosphorus pesticide - degradation
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