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Tech & Innovation
6 mins to read

First orders imminent for world-first seaweed nanocellulose

Māori-owned seaweed business AgriSea has been trialling the product with a number of global customers.

Clare and Tane Bradley of AgriSea foraging for seaweed.

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Key points
  • What’s at stake: AgriSea is commercialising a seaweed nanocellulose at its world-first biorefinery in Paeroa. It has the global licence for the IP.
  • The background: Scion, now part of the Bioeconomy Science Institute, developed the science to extract the hydrogel from seaweed, which, with further processing, turns into lucrative nanocellulose used in a variety of applications.
  • The players: AgriSea, Scion, Bioeconomy Science Institute, GreenWave US, the World Bank.

It took seven years of research, scaling and optimising the technology, to open the world’s first biorefinery that converts a seaweed process by-product into lucrative nanocellulose.

It’s taken a further seven months to get potential orders from beta customers who have been trialling the

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Fiona Rotherham Mon, 11 May 2026
Contact the Writer: fiona@nbr.co.nz
News tip? Question? Typo? Let us know: editor@nbr.co.nz
© All content copyright NBR. Do not reproduce in any form without permission, even if you have a paid subscription.

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Key points
  • What’s at stake: AgriSea is commercialising a seaweed nanocellulose at its world-first biorefinery in Paeroa. It has the global licence for the IP.
  • The background: Scion, now part of the Bioeconomy Science Institute, developed the science to extract the hydrogel from seaweed, which, with further processing, turns into lucrative nanocellulose used in a variety of applications.
  • The players: AgriSea, Scion, Bioeconomy Science Institute, GreenWave US, the World Bank.
First orders imminent for world-first seaweed nanocellulose
Tech & Innovation,
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