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介质阻挡放电反应器中的二硫化碳降解特性

李云霞 朱承驻 陈天虎 宋磊 李冬妮

李云霞, 朱承驻, 陈天虎, 宋磊, 李冬妮. 介质阻挡放电反应器中的二硫化碳降解特性[J]. 环境科学研究, 2013, 26(2): 188-193.
引用本文: 李云霞, 朱承驻, 陈天虎, 宋磊, 李冬妮. 介质阻挡放电反应器中的二硫化碳降解特性[J]. 环境科学研究, 2013, 26(2): 188-193.
LI Yun-xia, ZHU Cheng-zhu, CHEN Tian-hu, SONG Lei, LI Dong-ni. Degradation Characteristics of Carbon Disulfide in the Dielectric Barrier Discharge Reactor[J]. Research of Environmental Sciences, 2013, 26(2): 188-193.
Citation: LI Yun-xia, ZHU Cheng-zhu, CHEN Tian-hu, SONG Lei, LI Dong-ni. Degradation Characteristics of Carbon Disulfide in the Dielectric Barrier Discharge Reactor[J]. Research of Environmental Sciences, 2013, 26(2): 188-193.

介质阻挡放电反应器中的二硫化碳降解特性

基金项目: 教育部博士点基金项目(20110111110003); 江苏省环境科学与工程实验室开放课题(ZD071202)

Degradation Characteristics of Carbon Disulfide in the Dielectric Barrier Discharge Reactor

  • 摘要: 为了解CS2(二硫化碳)在介质阻挡放电反应器中的降解特性,提高其去除率,设计并制作了同轴圆柱介质阻挡放电反应器,研究了介质层数、外施电压、中心电极材料及直径、背景气氛种类和RH(相对湿度)对CS2去除率的影响. 结果表明:在外施电压(4.0~6.5kV)较低时,单介质反应器的CS2去除率高于双介质反应器;而在外施电压(6.5~9.0kV)较高时,双介质反应器对CS2的去除效果更好,增大外施电压有利于CS2的降解. 铜丝比不锈钢丝更适合用作反应器的中心电极,此外,增加中心电极的直径也可提高CS2去除率. 当中心电极直径从 3.2mm增至4.8mm时,CS2平均去除率由63%增至75%,但平均质量能耗由510kJ/mg增至611kJ/mg. 同等条件下,CS2在氧气中的平均去除率(74%)最大,空气(59%)中次之,氮气(48%)中最小;背景气氛中适量的RH(26%)有助于提高CS2去除率,但RH太大(大于50%)反而会降低CS2去除率.

     

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出版历程
  • 收稿日期:  2012-06-22
  • 修回日期:  2012-12-17
  • 刊出日期:  2013-02-25

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