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In the present work, a batch and continuous production of plasma-activatedwater (PAW) is reported. To produce PAW in a batch and continuous manner amultiple plasma device setup is used. The multiple plasma device consists of aseries of plasma devices that are powered simultaneously to produce PAW. Thismultiple plasma device is powered by indigenously developed high-voltagehigh-frequency power supply. The air plasma generated in this multiple plasmadevice setup is electrically characterized and the produced radicals/speciesare identified using optical emission spectroscopy. The post-discharge effluentgases left after plasma-water exposure carries some environmental pollutants(NOx and O3, etc.). The batch and continuous PAW production setup utilizeseffluent (pollutants) gases in production of large volume PAW. Hence, itsubstantially reduces the concentration of these pollutants in effluent gaseswhich are released in environment. The batch process produces high reactive PAWwith less volume (2 liters). Moreover, in a continuous process, a high volume(20 liters) with low reactivity of PAW is produced. The high reactive PAW andlow reactive PAW are used for different applications. Inactivation of microbes(bacteria, fungi, viruses, and pests), food preservation, selective killing ofcells, etc. is carried out using high reactive PAW whereas low reactive PAW hasapplications in seeds germination, plant growth, and as a nitrogen source foragriculture and aquaculture applications, etc. In addition, the batch andcontinuous PAW production setup designs are scalable, therefore, can be used inindustries for PAW production.

Continuous production for large quantity plasma activated water using multiple plasma device setup