研究论文
郑文齐,张秋波,胡克源.硫代磷酸二乙酯加热水解的研究[J].环境科学学报,1992,12(2):144-149
硫代磷酸二乙酯加热水解的研究
- THERMAL HYDROLYSIS OF DIETHYL THIOPHOSPHATE
- 基金项目：
- 作者
- 单位
- 郑文齐
- 中国科学院生态环境研究中心, 北京 100085
- 张秋波
- 中国科学院生态环境研究中心, 北京 100085
- 胡克源
- 中国科学院生态环境研究中心, 北京 100085
- 摘要：在二升高压釜中,氮气氛条件下研究了有机磷农药废水的主要污染物质——硫代磷酸二乙酯(浓度为100ppm)的水解动力学.运用气相色谱法,在pH2—4,温度140—190℃范围,得到不同条件下的一级反应速率常数k,获得pH、温度与反应速率常数的关系,并对硫化磷酸二乙酯的水解条件进行了讨论.
- Abstract：The hydrolysis of diethyl thiophosphate, which exists as one of the most important persistent substances, in organophosphorus pesticide waste water from manufacturing process, was investigated under the nitrogen atmosphere in a 2L autoclave. Over the pH range of 2 to 4, at a temperature of from 140 to 190℃ and in a concentration of 100mg/L diethyl thioposphate, the reaction was of first order and different rate constants were obtained. The relationship among the rate constant, pH and temperature can be expressed as followsAccording to the equation, optimum conditions were discussed for purification of organophosphorus pesticide waste water by the thermal hydrolytic method.
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