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Published 2021

Read in Norwegian

Publication details

Publisher : Nofima AS

International Standard Numbers :
Printed : 978-82-8296-686-3

Publication type : Nofima’s reports

Contributors : Aas, Turid Synnøve

Series : Nofima rapportserie 23/2021

Year : 2021

Research areas

Bioprocessing

Farmed fish

If you have questions about the publication, you may contact Nofima’s Chief Librarian.

Kjetil Aune
Chief Librarian
kjetil.aune@nofima.no

Summary

Sludge from salmon farming consists of uneaten feed and faeces. Faeces are brittle particles which easily disrupts and are difficult to collect with mechanical filters. Thus, sludge commonly contains large amounts of feed. Feed and faeces have different chemical composition, and the properties of sludge therefore depends on amount of feed in the sludge.
Aquaculture sludge is e.g. used as agriculture fertilizer and for biogas production. There are some challenges related to this use.
There is potential for developing technology for reduced amount of feed in the sludge. Reducing the feed spill will improve the resource utilization in salmon farming.

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