| 介质阻挡放电等离子体对亚甲基蓝的降解 |
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| 引用本文： | 黄芳敏,王红林,严宗诚,陈砺,冯天照.介质阻挡放电等离子体对亚甲基蓝的降解[J].环境科学与技术,2010,33(2). |
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| 作者姓名： | 黄芳敏 王红林 严宗诚 陈砺 冯天照 |
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| 作者单位： | 华南理工大学化学与化工学院,广东省绿色化学产品技术重点实验室,广东,广州,510640 |
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| 基金项目： | 广东省科技计划项目(2005B50101001) |
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| 摘 要： | 研究了介质阻挡放电等离子体降解亚甲基蓝溶液过程。考察了放电电压、亚甲基蓝溶液初始浓度、初始pH值对降解率的影响和降解过程中亚甲基蓝溶液pH值的变化。结果表明:100mg/L的亚甲基蓝溶液在放电频率为10.5kHz,电压为22kV,pH值为5.68的实验条件下,降解40min后,亚甲基蓝降解率为99.8%。对降解产物进行气质联用分析,亚甲基蓝降解产物中存在甲苯、乙烷基环戊烷、苯并噻唑等物质。
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| 关 键 词： | 介质阻挡放电 等离子体 亚甲基蓝 |
Degradation of Methylene Blue by Dielectric Barrier Discharge Plasma |
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| HUANG Fang-min,WANG Hong-lin,YAN Zong-cheng,CHEN Li,FENG Tian-zhao.Degradation of Methylene Blue by Dielectric Barrier Discharge Plasma[J].Environmental Science and Technology,2010,33(2). |
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| Authors: | HUANG Fang-min WANG Hong-lin YAN Zong-cheng CHEN Li FENG Tian-zhao |
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| Institution: | Guangdong Provincial Lab of Green Chemical Product and Technology;South China University of Technology;Guangzhou 510640;China |
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| Abstract: | Bench-scale experiment was conducted to study the degradation process of methylene blue,a typical dye found in dyeing wastewater,by dielectric barrier discharge plasma,examining effects of the main parameters on the degradation,such as discharge voltage,dyestuff initial concentration and pH of the solution in terms of the initial scale and the changes during the reaction.The experimental result shows that degradation of methylene blue using dielectric barrier disc harge plasma can attain the rate of 99.9% u... |
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| Keywords: | dielectric barrier discharge plasma methylene blue |
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