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Please use this identifier to cite or link to this item: http://dspace.puet.edu.ua/handle/123456789/11545

Название: Ultraviolet disinfection of water in recirculating aquaculture system: a case study at sturgeon caviar fish farm
Авторы: Semenov, Anatolii
Semenova, Kateryna
Ключевые слова: aquaculture
UV water disinfection
recirculation system
Issue Date: 7-Feb-2023
Издатель: Acta agriculturae Slovenica
Библиографическое описание: Anatolii SEMENOV, Kateryna SEMENOVA. Ultraviolet disinfection of water in recirculating aquaculture system: a case study at sturgeon caviar fish farm. Acta agriculturae Slovenica; Vol 118, No 3 (2022). http://dx.doi.org/10.14720/aas.2022.118.3.2488
Аннотация: In this report, we present a practical example of ultraviolet (UV) water disinfection in an aquaculture facility for sturgeon caviar production. Among the methods of water disinfection in recirculating aquaculture systems, the technical approaches using ozonation or ultraviolet radiation in combination with other methods are the most effective. However, improper use of ozonation can result in excessive ozone concentrations that can cause serious harm to fish and be harmful to the environment and personnel. Therefore, we describe an example of a reagent-free ultraviolet water disinfection system. Preliminary results show that filtration followed by ultraviolet irradiation inactivates microorganisms in fish tank water. Total microbial count, total coliform bacteria, and E. coli (CFU/m3) did not exceed the permissible values. The described UV system provides an irradiance of 180 W/m2. For a pool with a water volume of 300 m3, bacteriological purity of the water was achieved with 480 W of UV-light.
URI: http://dspace.puet.edu.ua/handle/123456789/11545
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