Engineering, Energy, Transport AIC

Serhii BURLAKA – Doctor of Philosophy in Industrial Mechanical Engineering, Associate Professor of the Department of Engineering Mechanics and Technological Processes in the Agricultural and Industrial Complex of Vinnytsia National Agrarian University (3 Sonyachna St., Vinnytsia, Ukraine, 21008, e-mail: ipserhiy @ gmail . com , https://orcid.org/0000-0002-4079-4867)

Dmytro DATSIUK – Doctor of Philosophy in Industrial Engineering, Senior Lecturer at the Department of Engineering Mechanics and Technological Processes in the Agro-Industrial Complex of Vinnytsia National Agrarian University (St. Soniachna, 3, Vinnytsia, Ukraine, 21008, e-mail: datsiuk.vnay@gmail.com, https://orcid.org/0000-0002-4614-2245 ).

Volodymyr PANASENKO – Candidate of Technical Sciences, Senior Lecturer of the Department of Engineering Mechanics and Technological Processes in the Agro-Industrial Complex at Vinnytsia National Agrarian University (Soniachna St., 3, Vinnytsia, Ukraine, 21008, e-mail: panasenkovv@gmail.com, https://orcid.org/0009-0002-3928-9473).

Article dedicated development and optimization compact photocatalytic modules on basis titanium (IV) oxide (TiO₂) for cleaning water that used in agrotechnical operations , in particular for hydration seed under time sowing cereals cultures in seeders . The work solves the problem of providing clean water in field conditions, where traditional treatment methods are cumbersome or economically unprofitable. A complex mathematical model is proposed that describes the nonlinear kinetics of photocatalytic decomposition of organic pollutants, taking into account the intensity of ultraviolet light (5–20 mW/cm²), the size of TiO₂ particles (10–50 nm), the concentration of the catalyst (0.5–2.0 g/l) and the temperature (20–40 °C). The model is based on the Langmuir-Hinshelwood equation, supplemented by dependencies on the catalyst surface and activation energy, and is solved numerically by the Runge-Kutta method. Experiments were carried out using TiO₂ nanoparticles (anatase) and a model pollutant (methylene blue, 10 mg/l) in a laboratory module that simulates the operation of seeders. The results confirm the high accuracy of the model: the optimal parameters (I = 15 mW/cm², d = 25 nm, [TiO₂] = 1.0 g/l, T = 30 °C) provide a cleaning efficiency of 38% in 15 minutes, reducing the concentration of contaminants to 6.2 mg/l, which is sufficient for agrotechnical needs. The data are presented in tables and graphs that illustrate the influence of key variables. The optimized system is suitable for integration into seed drills such as Horsch Pronto or John Deere 1890, increasing seed germination in arid regions. The work outlines the prospects for using solar energy and modified TiO₂ to further improve the technology, contributing to sustainable agriculture.

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