Model studies on a recirculation system with a rotating biological filter for fish fattening
2018
Kolman, R.
A new rotatory biological filter was worked out and constructed on the basis of available literature. Studies on its effectiveness were made in a model recirculation system with a stock of silver and common carp. Some difficulties were noted as to the initiation of the phase II of nitrification. They resulted in a dangerous increase of nitrite content (maximal nitrite content reached 0.63 mg N-NO2 per dm3). Amount of suspended organic matter reached 30 mg/l.
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