Norway’s Grieg Seafood has launched the world’s first circular fishing seine in two of its Atlantic salmon cages at its Rogaland facility, marking a significant step toward more sustainable aquaculture practices.
The nets, developed through a collaboration between Nofir, AKVA Group Egersund Net, Hampidjan, Aquafil, and Grieg Seafood, are made entirely from chemically recycled materials, including plastic waste from fish farming operations.
Unlike traditional mechanical recycling—which can compromise material quality—chemical recycling breaks old plastics down to their molecular components before reforming them into new polymers. This process eliminates the need for virgin crude oil while maintaining durability and robustness comparable to conventional nets, ensuring farmed fish remain securely contained.
By achieving performance parity with standard nets, chemical recycling opens the door for circular aquaculture products to scale commercially without compromising operational safety.
The deployment represents a convergence of innovation, environmental stewardship, and industrial collaboration. By repurposing post-consumer and operational plastic waste into high-performance fishing gear, the initiative not only reduces reliance on virgin plastics but also addresses a growing concern over marine pollution and aquaculture’s ecological footprint.
As global aquaculture expands to meet rising protein demand, circular solutions like Grieg Seafood’s chemically recycled nets illustrate how material science and industrial cooperation can advance both productivity and sustainability. If adoption scales beyond pilot installations, chemically recycled fishing gear could redefine best practices in salmon farming, offering a model for other segments of aquaculture worldwide.
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