摘要
利用强电离放电等离子体对沙林的模拟剂甲基磷酸二甲酯(DMMP)进行处理,通过试验考察pH值、放电气体流量、放电功率、放电室压力、等离子体流量等因素对DMMP处理效率的影响.试验结果表明,碱性条件下DMMP的降解效率要高于酸性条件下的降解效率,酸、碱性条件下DMMP的降解分别符合零级和一级反应动力学特征;DMMP降解效率随着等离子体体积流量和放电功率的增加而上升;随着放电气体流量和放电室压力的增加,DMMP的降解效率先上升后下降;在最佳反应条件下50mg/L的DMMP水溶液可以在7min内被完全降解.
Dimethyl methylphosphonate（DMMP）,which acts as the simulant of sarin,was treated by strong ionization discharging plasma. Several operation parameters such as acidity,discharge gas flow,discharge power,discharge chamber pressure and plasma flow were investigated respectively through the experiment.The results show that the treatment efficiency of DMMP in alkaline solution is higher than in acid solution. Reaction of DMMP in acid solution is pseudo zero order kinetic reaction,and pseudo first order kinetic reaction in alkaline solution. The treatment efficiency increases with the increasing plasma flow and discharge power. The treatment efficiency increases first and decreases afterwards with the rise of discharge gas flow and discharge chamber pressure. DMMP solution at the concentration of 50 mg/L can be completely degraded in 7 min in the best reaction conditions.
出处
《江苏大学学报（自然科学版）》
EI
CAS
北大核心
2009年第6期623-626,共4页
Journal of Jiangsu University：Natural Science Edition
基金
国家自然科学基金资助项目(50778083)
国家科技支撑计划项目(2006BAC11B06)
江苏省"六大人才高峰"专项基金资助项目(06-G-29)
关键词
沙林
模拟剂
DMMP
洗消
强电离放电等离子体
sarin
simulant
DMMP
decontamination
strong ionization discharging plasma
