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Abstract
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Design, construction, and experimental investigation of the plasma water activation device have been
presented in this article. In this design, one of the electrodes, which is plate ss316, is placed in water. The
other electrode which is made from tungsten is placed inside a glass tube and immersed in water. Air is
also blown into the water through a constant rate air pump of 5 L/min. An AC power supply with voltage
and current of 15 kV and 30 mA has been used to create plasma in water. The results of the analysis of
nitrite, nitrate, and pH in three water samples that have been irradiated with plasma for 10, 20, and 30
minutes showed a very significant change compared to the control sample. The pH of PAW is drastically
decreased with an increase in treatment time due to the formation of strong acids. Nitrite and nitrate
concentrations of PAW are increased with an increase in treatment time.
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