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环境化学  2015 

介质阻挡放电-催化降解苯的研究

Keywords: 等离子体催化,介质阻挡放电,

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Abstract:

采用双介质阻挡放电管,当含苯气体的流量为1.5L·min-1,放电电压在6000V—12000V范围内,放电管温度在210℃左右,研究介质阻挡放电催化降解苯的协同效应.结果表明,在余辉区中放入催化剂,6000V的电压下,苯的降解率可达70%,产物中CO/CO2为0.05;而在同样电压下,不放入催化剂,苯的降解率仅为55%左右,CO/CO2约为0.5.由此可见,催化剂在余辉区时能与等离子体协同作用,促进苯的降解.

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