Recirculation Technology

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Description: Each four-tank system includes a microscreen rotating drum filter and protein skimmer for removal of solid and suspended wastes, a moving or static bed biofilter for ammonia and nitrite removal, supplemental oxygenation that is monitored and controlled using oxygen sensors and PLCs, microbubble aeration diffusers, centrifugal pumps and propeller pumps for water movement, UV sterilizers for return water disinfection, and degassing columns for CO2 removal. Several forces are driving the development of recirculating technology for aquaculture production systems, including the limited availability of water resources, more stringent environmental regulations to reduce water consumption and improve effluent water quality, and the need for greater control over the production environment with increasing biomass per unit volume of water.
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