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浙江大学学报(工学版)
J4  2013, Vol. 47 Issue (12): 2195-2201    DOI: 10.3785/j.issn.1008-973X.2013.12.019
    
Decontamination of dimethyl methylphosphonate aqueous solution with Fenton supported by plasma
CHEN Yong-duo1,2, WANG Xiao-chen3, LI Ying3, ZHU An-na3,LIU Zhen1,2, YAN Ke-ping1,2
1. Industrial Ecology and Environment Research Institute, Zhejiang University, Hangzhou 310028, China； 2. Key Laboratory of Biomass Chemical Engineering of Ministry of Education, Zhejiang University, Hangzhou 310028, China； 3. Institute of Chemical Defence, Beijing 102205, China
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Abstract  

For the research of the decontamination of chemical warfare agents (CWAs) with plasma, a needles-plate pulsed high voltage discharge aeration reactor was investigated to decontaminate aqueous dimethyl methylphosphonate (DMMP) with initial concentration of 500 mg/L. It was found that 200 mL DMMP solution could be decontaminated 90% and mineralized 68% with plasma of 12.5 W in 100 min, and spark above water (SAW) plasma was more effective in promoting Fenton oxidation than corona under water (CUW) plasma. By fitting the reaction curves with trinomial, the reaction kinetic was studied, which showed that the reaction order was less than one and tended to zero as the power increased.

Published: 01 December 2013
CLC:  X 592  
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CHEN Yong-duo, WANG Xiao-chen, LI Ying, ZHU An-na,LIU Zhen, YAN Ke-ping. Decontamination of dimethyl methylphosphonate aqueous solution with Fenton supported by plasma. J4, 2013, 47(12): 2195-2201.

URL:

http://www.zjujournals.com/eng/10.3785/j.issn.1008-973X.2013.12.019     OR     http://www.zjujournals.com/eng/Y2013/V47/I12/2195


等离子体辅助Fenton洗消甲基膦酸二甲酯水溶液

为了研究等离子体对化学战剂(CWAS)的洗消效果,采用针-板曝气式高电压脉冲放电等离子体反应器对500 mg/L的甲基膦酸二甲酯(DMMP)水溶液进行洗消实验研究.等离子体的平均功率为12.5 W,处理液体为200 mL,氧化时间为100 min,DMMP的降解和矿化率分别为90%和68%.实验发现：液面火花放电(SAW)等离子体比液下脉冲电晕放电(CUW)等离子体更能有效地促进Fenton氧化；采用三项式拟合反应曲线进行动力学研究表明，其反应级数小于1，并随功率提高趋于零.

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