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Nye miljøvenlige desinfektionsmidler til økologiske dambrug

Pedersen, Lars-Flemming (2016) Nye miljøvenlige desinfektionsmidler til økologiske dambrug. [New environmental friendly desinfectants to organic fish farms.] Økologi & Erhverv, 2 June 2016 (590), pp. 1-4.

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Summary

Pereddikesyre og brintoverilte kan anvendes til vandrensning og kontrol af vandkvalitet i akvakultur systemer. Her beskrives seneste praktisake erfaringer som alternativ til f. eks. formalin.
De nye desinficerende midler er mildere og kan håndteres på en væsentlig mere sikker måde end formalin. Da begge produkter nedbrydes hurtigt, omsættes en stor del af den tilsatte mængde direkte i dammene. Ved nedbrydningen frigives ilt fra brintoverilte, mens pereddikesyre nedbrydes til vand og kuldioxid. Der udledes således mindre mængder af de to stoffer til vandløbet, og da de effektive behandlingskoncentrationer i forvejen er lave, er miljøpåvirkningen minimal.

Summary translation

Peracetic acids and hydrogen peroxide can be used as sanitizers to control water quality in aquaculture systems.
The new disinfectants are more gentle and can be managed significantly more safe than formaldehyde. As both products have a fast degradation rate, the main part of the substances remains in the fish ponds. During degradation oxygen is set free from hydrogen peroxide, while peracetic acid is degraded to water and carbon dioxide. Less of the two substances are discharged to the water course, and as the efficient treatment concentrations are low, the environmental impact is minimum.

EPrint Type:Newspaper or magazine article
Keywords:peracetic acid, hydrogen peroxide, Water desinfectants, organic aquaculture, Rainbow trout
Subjects: Environmental aspects > Air and water emissions
Animal husbandry > Health and welfare
Research affiliation: Denmark > Organic RDD 2 > RobustFish
ISSN:1904-1586
Deposited By: Jokumsen, Senior Advisory Scientist Alfred
ID Code:30280
Deposited On:05 Jul 2016 08:56
Last Modified:05 Jul 2016 08:56
Document Language:Danish/Dansk
Status:Published
Refereed:Not peer-reviewed

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