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Hima Seafood signed a deal with Sterner to process waste sludge from its land-based trout aquaculture facility in Rjukan, Norway. Sterner's technology will dry and sanitize sludge into organic fertilizer.
“We dry and sanitize the sludge in a single process to meet fertilizer product regulations.”salmonbusiness.com
Summarized from public sources; check the original articles before acting on it.