GAS CLEANING WITH SEMI-WET TYPE PLASMA REACTOR
GAS CLEANING WITH SEMI-WET TYPE PLASMA REACTOR
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DOI：
10.1109/28.382109
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发表时间：
1995-05-01
影响因子：
4.4
通讯作者：
FURUTA, S
中科院分区：
文献类型：
--
作者：
CHAKRABARTI, A;MIZUNO, A;FURUTA, S
在流光电晕放电条件下，利用等离子体化学反应对空气中浓度为10-40 ppm的NH_3、NO、NOx进行了去除实验研究，比较了干式和半湿式反应器的性能，考察了矩形脉冲、60 Hz正弦和18 kHz交流电压等不同外加电压形式的影响，在NO去除过程中，产生O-3和NO2，NO2可以在较高的放电功率输入下部分去除。还产生另一种不希望的污染物，即N2 O，特别是在具有长停留时间的干式反应器的情况下（类似于2.4s），当使用半湿反应器时，N2 O产生在0.6s停留时间处基本上降低至零。通常，在半湿反应器中使用脉冲电压获得了更高的去除效率，空气中的NH_3在放电中产生臭氧和硝酸铵。半湿反应器去除亚微米粉尘颗粒的性能也已被研究，并且已经获得了非常高的去除效率（在0.6-s停留时间时类似于93%）。
An experimental study on the removal of NH3, NO, NOx in concentration of 10-40 ppm in air has been carried out using plasma chemical reactions in a streamer corona discharge, The results of the performance of dry type and semi-wet type reactors are compared, The effects of different type of applied voltages such as rectangular pulse, 60-Hz sinusoidal and 18-kHz alternating voltages are investigated, During NO removal, O-3 and NO2 are produced, NO2 can, partially, be removed with higher power input into the discharge. Another undesirable pollutant, namely N2O, is also produced, especially, in case of dry reactors having long residence time (similar to 2.4 s), N2O production decreases, essentially, to zero at 0.6-s residence time while using a semi-wet reactor, In general, higher removal efficiency has been obtained with pulse voltage in a semi-wet reactor, NH3 in air appears to produce ozone and ammonium nitrate in a discharge, The performance of semi-wet reactors on the removal of submicron dust particles has also been investigated and very high removal efficiency (similar to 93% at 0.6-s residence time) has been obtained.