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首页> 外文会议>2011 International Conference on Materials for Renewable Energy Environment >Treatment of wastewater from paracetamol factory by using non-thermal plasma and active carbon
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Treatment of wastewater from paracetamol factory by using non-thermal plasma and active carbon

机译：非热等离子体和活性炭处理扑热息痛工厂的废水

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Non-thermal plasma combined with activated carbon was developed to purify wastewater from paracetamol factory. The effect of discharge time, discharge voltage, initial pH value of wastewater, velocity of the air flow and whether adding activated carbon on the COD degradation and decolorization ratio were investigated. It was found that as discharge time prolonged, decolorization ratio decreased but the COD degradation ratio increased at first and then reached to a constant value. The degradation ratio of COD increased and the decolorization decreased with the increasing of input voltage. The ratios of COD degradation and decolorization decreased when the initial pH value increased. With the increasing of inputting air flow the COD degradation ratio went up and had a optimal peak value and then the decolorization ratio declined. When activated carbon was added the ratio of decolorization and the COD degradation can be improved significantly. In this paper when the input voltage is 25kV, the distance between two electrodes is 6mm, air flow is 16L/h, initial pH value is 3.73, the 4 times diluted wastewater was discharged 120min and then added 1g activated carbon, the ratio of COD degradation reached to 82.76%.
机译：开发了非热等离子体与活性炭相结合，以净化扑热息痛工厂的废水。研究了放电时间，放电电压，废水的初始pH值，气流速度以及是否加入活性炭对COD降解和脱色率的影响。发现随着放电时间的延长，脱色率降低，但是COD降解率先增加然后达到恒定值。随着输入电压的增加，COD的降解率增加，脱色减少。当初始pH值增加时，COD降解和脱色的比率降低。随着输入空气流量的增加，COD降解率上升并达到最佳峰值，然后脱色率下降。当添加活性炭时，可以显着改善脱色率和COD降解率。本文在输入电压为25kV时，两个电极之间的距离为6mm，空气流量为16L / h，初始pH值为3.73，将4倍稀释后的废水排放120min，然后加入1g活性炭，COD的比例降解率达到82.76％。

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