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Promising water treatment practices with peracetic acid products

Pedersen, Lars-Flemming; Jokumsen, Alfred ; Larsen, Villy J. and Henriksen, Niels Henrik (2014) Promising water treatment practices with peracetic acid products. [Lovende vandbehandlings procedurer med pereddikesyre produkter.] DTU Aqua and The North Sea Research Centre .

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Summary

Peracetic acid products can be used as sanitizers to control water quality in aquaculture systems. Here we describe recent practical experiences of applying peracetic acid (PAA) as an alternative to formalin or sodium chloride.
PAA has strong antimicrobial effect, it is easy degradable and relatively safe to use work-wise. Being a strong oxidant, PAA resembles ozone in its mode of action and the associated rapid decay. This can be a challenge towards optimizing treatment protocols, and continuous low dose applications seem to be a promising solution.
PAA is listed among the few disinfectants to be approved to be applied in organic aquaculture where formalin is prohibited (EU, 2014a). As of January 2016, organic trout production fully depends on organic reared ova and fry, which already are available for purchase from Danish hatcheries. DTU Aqua, The Danish Aquaculture Organisation in cooperation with DTU Vet, University of Copenhagen and University of Aalborg have recently launched research projects, which include addressing how to optimise PAA application in juvenile trout production in order to be prepared to meet new production conditions (ROBUSTFISH, 2014).

Summary translation

Pereddikesyre produkter kan anvendes til vandrensning og kontrol af vandkvalitet i akvakultur systemer. Her beskrives seneste praktisake erfaringer med anvendelse af pereddikesyre (PAA) som alternativ til formalin eller natriumklorid.
PAA har stærk antimikrobiel effekt, det er let-nedbrydelig og relativt sikkert i brug. PAA er en stærk oxidant og ligner ozon i virkemåde og henfald. Dette kan være en udfordring i forhold til optimeret brug og den mest lovende løsning synes at være kontinuert doserimng i lave doser.
PAA er på listen over godkendte hjælpestoffer til økologisk akvakultur, hvor formalin er forbudt(EU, 2014a). Dette er specielt vigtigt, idet 1. januar 2016 er skæringsdato for at hele livscyklus skal være økologisk. Økologisk æg og yngel er dog allerede tilgængelig fra dansk økologiske klækkerier (ROBUSTFISH, 2014).

EPrint Type:Report
Keywords:Peracetic acid, organic trout, disinfectants
Subjects: Food systems > Food security, food quality and human health
Food systems > Recycling, balancing and resource management
Environmental aspects > Air and water emissions
Knowledge management > Education, extension and communication
Research affiliation: Denmark > DTU - Technical University of Denmark
Denmark > ICROFS - International Centre for Research in Organic Food Systems
Denmark > KU - University of Copenhagen
Denmark > Organic RDD 2 > RobustFish
Deposited By: Jokumsen, Senior Advisory Scientist Alfred
ID Code:28340
Deposited On:04 Mar 2015 08:23
Last Modified:04 Mar 2015 08:23
Document Language:English
Status:Unpublished
Refereed:Not peer-reviewed

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