稳定态二氧化氯消毒剂稳定性能的动力学研究  

CHEMICAL KINETICS STUDY ON STABILITY OF STABLE CHLORINE DIOXIDE DISINFECTANT

作　　者：张玮[1] 赵艳敏[1] 于钦问[1] 胡光春 李爱萍[1] 

机构地区：[1]山东省卫生防疫站,250014 [2]济南市卫生防疫站,250013

出　　处：《现代预防医学》2002年第4期546-547,共2页Modern Preventive Medicine

摘　　要：目的 :研究稳定态二氧化氯的稳定性能 ,并预测其半衰期及有效期。方法 :根据化学动力学的原理 [1 ] ,采用恒温加速实验法 ,运用微分和定积分处理实验数据。结果 :采用 Weibull分布拟合法 ,求得反应级数 m均接受于 1。半衰期(T0 .5)为 10 .5年 ,有效期为 (T0 .9) 1.5 9年 ,热解反应活化能为 71.6 3k J/ mol。结论 :稳定态二氧化氯消毒剂的热解反应接近于一级动力学。热解反应活化能在 6 6～ 2 5 0 k J/ mol的范围内。以 Arrhenius经验方程为基础的加速实验有意义 [2 ] 。Objective:To study stability of stable chlorine dioxide,and predict its half life and term of validity.Methods:According to the principle of chemical kinetics,the method of accelerating the experiment in constant temperature was used,and differentiation equation and the definite integral were adopted to process data.Results:The order of reaction was close to 1,with weibull.The half life T 0 5 was 10 5 year,and T 0 9 was 1 59 year.Conclusions:The pyrolysis reaction of stable chlorine dioxide was approached to first order kinetics.

关 键 词：消毒剂 化学动力学 恒温加速 稳定态二氧化氯 稳定性能 

分 类 号：R187.2[医药卫生—流行病学] R979.7[医药卫生—公共卫生与预防医学]