Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Harold J. Schreier0
Yonathan Zohar0
Yossi Tal0
Date of Patent
August 1, 2006
0Patent Application Number
108181360
Date Filed
April 5, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention relates to a two-stage biofilter reactor system for removing nitrogenous compounds from a recirculating aquaculture system. The system includes a aerobic nitrification unit and a downstream anaerobic denitrification unit, wherein both units have a mobile bed of suspended media whereon bacteria can grow and reduce nitrate and/or ammonia levels in the recirculating aquaculture system. Use of the two-stage system has the advantage of reducing the water exchange rates and consumption of salt when maintaining a saline effluent.
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