Project Details


The main environmental obstacle to expansion of the fish production at Danish fish farms is the discharge of nutrients, in particular nitrogen. It is the aim of the project to develop and test cost-efficient ways of removing nitrogen-nitrate from farm waters before it is discharged to the streams. Two methods, denitrification through media-laden filters and denitrification through woodchip-bed filters will be tested and removal capacities documented. The influence of environmental and operational parameters will be studied and described. Commercial scale woodchip filters will subsequently be installed at operating farms and the performance monitored.

National Institute of Aquatic Resources, DTU Aqua
Danish Aquaculture Association, Denmark
Commercial trout farms, Denmark

The project is funded by the European Maritime and Fisheries Fund and the Danish Fisheries Agency.  
Research area: Aquaculture
Effective start/end date07/10/201621/12/2019


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