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Aquaculture Q.
Posted by Dr. Mahmoud Elnakeeb on January 12, 2026 at 5:13 pmIn a Recirculating Aquaculture System (RAS), what is the primary function of the biofilter?
Wilson Gonzalo Larrea Fernandez replied 4 months, 1 week ago 4 Members · 5 Replies -
5 Replies
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Los <strong data-start=”4″ data-end=”33″>biofiltros en acuicultura sirven para mantener la calidad del agua al eliminar compuestos tóxicos generados por los propios peces o camarones, principalmente en sistemas cerrados o de recirculación (RAS).
Su función es transformar el <strong data-start=”268″ data-end=”291″>amoníaco (NH₃/NH₄⁺) —producido por las excretas y restos de alimento— en compuestos menos tóxicos mediante bacterias beneficiosas.
Este proceso se llama <strong data-start=”496″ data-end=”513″>nitrificación y es realizado por bacterias como <em data-start=”548″ data-end=”562″>Nitrosomonas y <em data-start=”565″ data-end=”578″>Nitrobacter que colonizan el material del biofiltro.
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In a Recirculating Aquaculture System (RAS), the primary function of the biofilter is to convert toxic ammonia, excreted by fish, into non-toxic (or less toxic) nitrate. <div>This process is known as nitrification and is essential for maintaining water quality and fish health in a closed-loop system. </div>
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Is to convert Ammonia → Nitrite (NO₂⁻) by <strong data-start=”283″ data-end=”308″>Nitrosomonas bacteria
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Is to convert <strong data-start=”251″ data-end=”279″ style=”font-size: inherit;”>Ammonia → Nitrite (NO₂⁻) by <strong data-start=”283″ data-end=”308″ style=”font-size: inherit;”>Nitrosomonas bacteria
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