The Paton Welding Journal, 2024, №10



2024 №10 (05)

DOI of Article 10.37434/tpwj2024.10.06

2024 №10 (01)

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The Paton Welding Journal, 2024, #10, 42-53 pages

Continuous production of large volumes of plasma activated water for agriculture

S.V. Petrov¹, S.G. Bondarenko², Sh. Roshanpour³, A.M. Shakhnovsky²

¹The Gas Institute of the NASU. 39 Degtyarivska Str., 03113, Kyiv, Ukraine. E-mail: vizana.sp@gmail.com
²National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute” 37 Prosp. Beresteiskyi, 03056, Kyiv, Ukraine
³Plasma Dynamics SRL. 11/13, Via del Progresso, Vicenza, Italy, 36100

Abstract
This article is devoted to the issues of using plasma technology to produce plasma-activated water, which serves as liquid nitrogen fertilizers. The use of plasma-activated water in crop production is associated with seed treatment, subsequent stimulation of seed germination, and the stimulation of agricultural crop growth. The study proposes a new plasma system for the direct production of activated water based on a hybrid electric discharge, which combines equilibrium and non-equilibrium plasma. This system operates in a mixture of air and water. The process of plasma-chemical treatment is implemented in a plasma module with a pulsation mode of electric discharge combustion in an aqueous solution. This system is environmentally friendly, as it does not use additional chemicals (since air and water plus electricity are used as raw materials) and does not produce waste. Using the developed plasma system, plasma-activated water with a high content of stable active forms of oxygen and nitrogen (NO₃^–, NO₂^–, H₂O₂, O₃, etc) was obtained. Such plasma-activated water has high potential for effective use, as the long-lived active compounds contained in the activated water can participate in plant metabolism and serve as nutrients for them. The small size and weight of the plasma unit, along with its sufficiently high productivity, allow its use in small and medium-sized farms. This ensures environmentally friendly fertilizer production on-site, provides flexibility to meet changing demand, significantly reduces transportation costs, and minimizes losses. The substantial energy consumption required for the production of plasma-activated water can be offset by integration with renewable energy sources.
Keywords: plasma agriculture, hybrid plasma, nitrogen fixation, plasma/liquid interfacial, plasma chemical reactor, plasma fertilizer production, plant growth

Received: 10.07.2024
Received in revised form: 16.09.2024
Accepted: 21.10.2024

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Suggested Citation

S.V. Petrov, S.G. Bondarenko, Sh. Roshanpour, A.M. Shakhnovsky (2024) Continuous production of large volumes of plasma activated water for agriculture. The Paton Welding J., 10, 42-53.

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