Hybrid technologies for improving the quality of Return Waters for the hydroecology of Biotechnical fish farming Ecosystems

This article presents the results of the 5th stage of R&D No.361-1/21 (ROSRID No. 122050400136-6) preliminary tests of hybrid reagentless technologies for improving the quality of return waters for the hydroecology of biotechnical fish farming ecosystems - BRE (USV and SOV) based on a single light and sound field, performed on the basis of experimental pressure hull and submersible (channel) of a pressure-free type (UFUZ), conducted at an existing cold-water aquaculture fish hatchery. Qualitative normative fish farming indicators were monitored: chromaticity, turbidity, BPK₅, BPKF, permanganate oxidizability. The hydroecological well-being of industrial BRE was assessed according to a complex indicator of the harmfulness of the device (technology) in terms of purpose. It is shown that a scientifically based and practically proven power balance and the correct selection of the light and sound field can form either a technological hazard or the safety of devices with hybrid aquatechnology.

1. Gorbunov A.V., Nikiforov-Nikishin D.L., Kalita T.L., Ponomarev A.K. (2022). Technologies of organic aquaculture: Textbook for universities / Edited by S.V. Ponomarev. Moscow: Nauka. 431 p. (In Russ.)

2. Romanenko V.D. (2004). Fundamentals of hydroecology: a textbook for students of higher educational institutions. Moscow: Geneza. 664 p. (In Russ.).

3. Amabilis-Sosa L.E., Vázquez-López M., Rojas J.L.G., Roé-Sosa A., Moeller-Chávez G.E. (2018). Efficient bacteria inactivation by ultrasound in municipal wastewater // Environments. № 5 (4). P. 47.

4. Nikiforov-Nikishin A.L., Gorbunov A.V., Nikiforov-Nikishin D.L., Golovacheva N.A., Klimov V.A. (2023). Biological safety of fish feed: Textbook for universities / Edited by S.V. Ponomarev, Moscow: Nauka Publ. 272 p. (In Russ.).

5. Belov V.L., Brezhnev L.L., Lebedev O.Yu., Gorbunov A.V. (2023). Monitoring control of some physico-chemical parameters of the aquatic environment in fish farming with the use of hybrid technology of ultrasonic and ultraviolet radiation in water treatment // Bulletin of the Moscow State University of Technology and Management named after K.G. Razumovsky (First Cossack University). Series of Applied scientific disciplines. No. 2. Pp. 21-35. (In Russ.).

6. Proskurenko I.V. (2003). Closed fish–breeding installations. Moscow: VNIRO. 152 p. (In Russ.).

7. Leonov A.V., Zobkova M.V. (2019). General characteristics of BOD development in long-term experiments with water from diverse water bodies in Karelia [article] / Proceedings of the Karelian Scientific Center of the Russian Academy of Sciences No. 3. Pp. 61-79 URL: www. journals.krc.karelia.ru/Download/952-7792-2-PB.pdf (Accessed 09/20/2024) https://doi.org10.17076/ lim952. (In Russ.).

8. Permanganate oxidizability: [text] / Website of the Branch for Freshwater Fisheries of the SSC RF VNIRO Federal State Budgetary Scientific Institution URL: https://vniiprh.vniro.ru/announcement/permanganatnaya-okislyaemost-po-2 / (Accessed 09/20/2024). (In Russ.).

9. Water quality indicators of pond farms and the requirements for them: [text] / Materials of the section “Hydrology” // Website of the EVO training center URL: https://gidrologia.ru/publikatsii/pokazateli-kachestva-vody-prudovyh-hozyaystv-i-trebovaniya-predyavlyaemye-k-nim.html (Accessed 09/20/2024). (In Russ.).

10. Tan W.K., Cheah S.C., Parthasarathy S., Rajesh R.P., Pang C.H., Manickam S. (2021). Fish pond water treatment using ultrasonic cavitation and advanced oxidation processes // Chemosphere. 274, 129702. (In Russ.).

11. Ultrasound in water treatment: [article] / Journal “Aqua-Term”. // Water supply and water treatment No.6 (88), 2015. URL: https://aqua-therm.ru/articles/articles_379.html (Accessed 09/20/2024). (In Russ.).

12. Living water: five progressive purification technologies: [article] / Ed. RBC-trends. Economy, 2021. URL https://trends.rbc.ru/trends/green/60ab81379a79477ea76540b5?from=copy (Accessed 09/20/2024). (In Russ.).