The development of non-thermal plasma-based wastewater treatment technologies is a challenging topic of research these days. The conventional domestic ozonators based on corona, are susceptible to arcing, produce less ozone due to low input power, and yield larger bubbles limiting mass transfer rate. The article proposes a new design- multiplexed system containing six Corona-DBD hybrid packed-bed plasma micro-reactors connected in parallel to significantly improve the said design problems. The reactor gives enhanced ozone generation due to characteristics of corona (high concentration of radicals), DBD (homogeneous discharge), and packing material (stronger electric field). The diffuser configuration yields high number density of microbubbles enhancing mass transfer. The optimized multiplexed reactor improves ozone generation by 4.8 folds at 5.8 kV_pk, 20 kHz, 76 mA, 1 LPM, and 5 cm electrode length producing 480.8 ppm ozone in 20 s. The reactor efficiency was evaluated using Methyl orange degradation. The energy yield of the plasma reactor was also evaluated for MO solution. At optimized reactor conditions, 86 % Methyl orange was removed at pH 3, 10 ppm, and 900 mL in 8 min, and COD was reduced to 74 %. The multiplexed design offers an effective replacement for conventional ozone generators for about 1 L capacity in less than 10 min.

如今，基于非热等离子体的废水处理技术的发展是一个具有挑战性的研究主题。传统的基于电晕的家用臭氧发生器易于产生电弧，由于输入功率低而产生的臭氧更少，并且会产生较大的气泡，从而限制了传质速率。本文提出了一种新的设计多路复用系统，其中包含六个并联连接的Corona-DBD混合床等离子微反应器，以显着改善上述设计问题。由于电晕（高浓度的自由基），DBD（均匀放电）和填充材料（更强的电场）的特性，该反应器可增强臭氧的产生。扩散器构造产生高密度的微气泡，从而增强了传质。优化的多路反应器在5.8 kV时可将臭氧产生量提高4.8倍_pk，20 kHz，76 mA，1 LPM和5 cm电极长度，在20 s内产生480.8 ppm的臭氧。使用甲基橙降解评估反应器效率。还针对MO溶液评估了等离子体反应器的能量产率。在优化的反应器条件下，在8分钟内将pH 3、10 ppm和900 mL的86％甲基橙除去，并将COD降至74％。多路复用设计可在不到10分钟的时间内有效替代传统的臭氧发生器，其容量约为1L。