Estimating biofilter size for RAS systems

Thomas M. Losordo, Ph.D. Dennis P. DeLong, MSM

Controlling total ammonia-nitrogen (TAN) concentration is imperative Trickling filters are simple and robust biological filters that provide nitrification, degassing of carbon dioxide and oxygenation in one component. However, due to the low specific surface area of the media, they are generally larger than most modern filters. The production of aquatic products in land-based systems using…

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  • Thomas M. Losordo, Ph.D.

    Thomas M. Losordo, Ph.D.

    Principal Scientist and Chief Engineer
    Pentair Aquatic Eco-Systems, Inc.
    400 Regency Forest Drive, Suite 300
    Cary, North Carolina 27518 USA


  • Dennis P. DeLong, MSM

    Dennis P. DeLong, MSM

    Manager of Customer Advocacy
    Pentair Aquatic Eco-Systems, Inc.