BioElement Biofilters

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Biological Filtration


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BioElement™ Biofilters for Recirculating Aquatic Systems

BioElement™ moving bed biofilters from Integrated Aqua Systems, Inc. represent the latest advances in biofiltration technology for aquaculture.  At the core of the BioElement™ Biofilter is IAS BioElement™ biological media.  IAS BioElements™ provide some of the highest usable surface area per unit volume (750m2/m3, 228ft2/ft3) in a high quality, form-stable, injection molded plastic element.   IAS BioElements™ are not prone to binding together, wedging or disintegrating over time like comparable medias.  IAS BioElements™ are engineered in a medium density product designed specifically for use in moving bed biofilters.  Medium density media allows better mixing in the vessel with less aeration required ultimately leading to a more energy efficient filter.

Options & Benefits

IAS is committed to providing the technical expertise required to size and select a BioElement™ Biofilter for your specific application.  Please consult the selection charts below for general sizing criteria and contact IAS today for application assistance and pricing.

Sizing Guide for BioElement™ Biofilters

This guide provides bioreactor sizing for three general types of aquatic systems:

* TAN = Total ammonia nitrogen (mg N/L) = mg NH3-N/L + mg NH4-N/L

For each type of aquatic system, TAN removal rates in the table below are shown for a water temperature of 15 C. For water temperatures below and above 15 C, multiply TAN removal rate by the following factors:

Please contact our technical support team for help regarding:

  • Calculation of ammonia loading rates from feed application rates
  • Correction factors for in situ nitrification and system water exchange
  • System design based on criteria for toxic un-ionized ammonia
  • Parallel staging of bioreactors based on water flow rates
  • Serial staging of bioreactors for optimized oxidation of organic carbon and ammonia
  • Biofilter media conditioning procedures prior to stocking fish
  • Management of water alkalinity and pH for optimized ammonia oxidation
BioElement™ Moving Bed Biofilters for Recirculating Aquatic Systems represent the latest advances in biofiltration technology for aquaculture.

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