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| In this paper, the plasma water treatment technology can degrade high concentrations of refractory organic wastewater efficiently, with the advantage of no additives, and no secondary pollution and it has become a research hotspot in recent years. According to the phase state participated by the mediators, the plasma water treatment technology can be divided into three categories: gas phase electrical discharge, liquid phase electrical discharge, and gas-liquid mixed phase electrical discharge water treatment. According to the above classification, not only the development course of the plasma water treatment technology has been deeply analyzed, but also the structure, the work principle and the treatment effect of several representative devices in latest researches has been introduced in this paper. Through the analysis of this article, it has been found that the most difficult problem for the plasma water treatment technology is how to promote its industrialization process, improving the amount of water treatment in specified unit of time, which will be a huge challenge for us. |
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| Keywords:the plasma water treatment technology; gas phase electrical discharge; liquid phase electrical discharge; gas-liquid mixed phase electrical discharge |
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