New innovative solutions for waste management as part of a circular production setup in salmon-based aquaculture

Knut Ingar Westeren

Chapter 12 in Research Handbook of Innovation in the Circular Bioeconomy, 2025, pp 199-214 from Edward Elgar Publishing

Abstract: If aquaculture-based salmon production continues to expand further, it is necessary to find solutions to serious environmental problems. This can only be done within a circular production setup where sustainability precautions are taken. This chapter presents one possible solution to the problems with open cage production, which is the dominant technology today. The project is called “Egget,” a sea-based closed production structure where the salmon lice problem is solved, no escape is possible, and waste (sludge) is collected. This chapter gives the background and development of the pilot project and results from the first operational months of production. So far, the results are promising, and the production is fulfilling the sustainability criteria from the circular bioeconomy of reduce, reuse, and recycle. All within an economically sustainable production setup.

Keywords: Aquaculture; Sea-based salmon production; Sustainability; Circular economy; Waste collection; Technology (search for similar items in EconPapers)
Date: 2025
ISBN: 9781035307951
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