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低温等离子体吸附两段式系统降解硫化氢

Journal of Zhejiang University(Engineering Science)(2010)

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Abstract
为了克服单一低温等离子体(NTP)降解硫化氢(H2S)能耗高和副产物排放的问题,采用低温等离子体活性炭纤维(ACF)吸附两段式系统降解硫化氢,考察不同充电电压两段式系统与单一低温等离子体系统对H2S降解率及副产物的影响,分析低温等离子体与活性碳纤维协同降解硫化氢的机理.研究表明:两段式系统能够显著提高H2S的去除率、降低能耗、去除副产物,并能延长ACF的穿透时间,增加吸附反应H2S的容量.当气体流量达到11.8m3/h、充电电压为6kV时,两段式系统能使H2S的去除率提高15%,能耗节省26.5%,ACF能够有效地去除SO2和O3,在ACF穿透前气流出口检测不到污染物;当充电电压从3kV升高到7kV时,ACF的穿透时间延长2到16倍.
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Key words
Activated carbon fiber (ACF),Decomposition,Hydrogen sulfide,Non-thermal plasma (NTP)
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