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Data center excess heat for mealworm farming, an applied analysis for sustainable protein production
RISE Research Institutes of Sweden, Digital Systems, Data Science.ORCID iD: 0000-0001-7381-9154
RISE Research Institutes of Sweden. IVL, Sweden.
RISE Research Institutes of Sweden.
2024 (English)In: Applied Energy, ISSN 0306-2619, E-ISSN 1872-9118, Vol. 353, article id 121990Article in journal (Refereed) Published
Abstract [en]

Since Sweden joined the EU in 1995, importing food became easier and cheaper, leading to certain parts of the country, such as Norrbotten, becoming highly dependent on imports. This dependency, along with the inherent environmental impact of imports, could be significantly reduced by local farming. The environmental emissions originating from animal farming could be lowered even further by substituting the highly polluting soybean feed with, e.g., insect feed. This study examines the farming of mealworms, utilizing excess heat from a data center, part of a growing industry in Norrbotten county, as a means of alternative feedstock for animal production and a case study for industrial symbiosis. This industrial symbiosis project is in line with the EU’s incentive to use other sources of protein and thus lower the EU’s reliance on the import of foreign protein. Three different feeding approaches are tested, in a room heated with data center excess heat of 30 °C and at room temperature of about 20 °C. After the adult mealworms were harvested, a sample was taken to analyze their nutritional values. The results show that protein, lipid, and fiber content is 19,1 g, 12,6 g, and 2,7 g per 100 g, respectively. All amino acids except tryptophan were detected. This project concludes that it is possible to reach full-grown mealworms in about 8 weeks, which is about half the time stated in the literature. 

Place, publisher, year, edition, pages
Elsevier Ltd , 2024. Vol. 353, article id 121990
Keywords [en]
Norrbotten; Sweden; Amino acids; Animals; Environmental impact; Farms; Feedstocks; Alternative feedstocks; Applied analysis; Datacenter; Environmental emissions; Excess heats; Industrial symbiosis; Insect protein; Mealworm production; Protein production; Self-sufficiency; environmental impact; incentive; industrial production; insect; protein; soybean; Proteins
National Category
Earth and Related Environmental Sciences
Identifiers
URN: urn:nbn:se:ri:diva-67677DOI: 10.1016/j.apenergy.2023.121990Scopus ID: 2-s2.0-85173260162OAI: oai:DiVA.org:ri-67677DiVA, id: diva2:1815837
Note

This study was supported by Interreg Nord , under grant NYPS 20201839 , Arctiq-DC 

Available from: 2023-11-30 Created: 2023-11-30 Last updated: 2023-11-30Bibliographically approved

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Vesterlund, Mattias

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