Optimering af behandlingseffekten i akvakultur. Minimering af ...

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as used for the pond experiments of 15 mg/l over 4-6 hours, the treatment
strategy for recirculated raceways could be to add the formaldehyde
over the duration required for one circulation to achieve a better
mix with the water body. A subsequent supply of formaldehyde should
be added concurrently and at the same rate as the decomposition of formaldehyde
happens in the biofilter, so the concentration can be kept as
long as necessary to obtain an effective treatment.