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Healthy treatment

Technology

We use around 46,500 liters of water per year. Most of it winds up in wastewater treatment plants.

Now a research team at the University of Gothenburg is on the hunt for a sustainable solution that ensures the water in fish farms is kept clean and the fish healthy.

Contamination can be caused by fish sludge, made up of food waste and fish feces. Inspired by the process of organic wastewater treatment, the team developed a new system.

Certain types of bacteria responsible for increasing phosphorus are sequestered so that they spread less quickly.

Nutrients can then be removed from the treated fish sludge and used as fertilizer for the crops growing in water next to the fish farm.

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