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Urine recycling - Diffusion barriers and upscaling potential; case studies from Sweden and Switzerland
Swedish University of Agricultural Sciences, Uppsala, Sweden.ORCID-id: 0000-0003-0939-239X
Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Industriell miljöteknik. Linköpings universitet, Tekniska fakulteten.ORCID-id: 0000-0002-9445-6177
Swedish University of Agricultural Sciences, Uppsala, Sweden.ORCID-id: 0000-0003-0373-685X
2023 (engelsk)Inngår i: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 414, artikkel-id 137583Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

In this study, we explored why urine recycling systems have failed to gain wide-scale expansion despite their high potential for food and fertilizer security. Additionally, we examined the future perception of urine recycling in Sweden and Switzerland, as these two countries are at the forefront of technological advancement. Along with identifying barriers, we also proposed pathways for overcoming those barriers and achieving the upscale. The analysis was conducted using the technological innovation (TIS) approach, which is technology-focused, i.e., revolves around emerging technologies. Additionally, the study provides a methodological contribution to the innovation systems research by employing the Delphi method in conjunction with urine recycling experts to enforce transparency and prevent bias in the analysis. For urine recycling to overcome its current challenges, actors must work collectively. There needs to be a combination of top-down and bottom-up efforts to achieve the upscaling pathways. Lobbying and knowledge provision are necessary to adjust the current regulatory framework in a manner that provides public and private incentives. For urine recycling to diffuse and break into the mainstream market, we must move beyond enthusiasts, innovators, and niche markets into the mass market (ordinary people); dedicated service providers can facilitate this process. Pilot projects have been found integral to urine recycling upscaling. Future work could conduct life cycle assessments on existing pilot projects to understand the environmental and economic performance of urine recycling systems when scaled up.

sted, utgiver, år, opplag, sider
Elsevier, 2023. Vol. 414, artikkel-id 137583
Emneord [en]
Urine diversion; Wastewater; Nutrient recovery; Technological innovation system (TIS); Diffusion; Delphi method
HSV kategori
Identifikatorer
URN: urn:nbn:se:liu:diva-194341DOI: 10.1016/j.jclepro.2023.137583ISI: 001011556600001OAI: oai:DiVA.org:liu-194341DiVA, id: diva2:1762306
Merknad

Funding: This work was supported by the Swedish Research Council for Sustainable Development (Formas) (project number: 2019–00599) and Stiftelsen Lantbruksforskning (project number: JTI-20-83-489)

Tilgjengelig fra: 2023-06-02 Laget: 2023-06-02 Sist oppdatert: 2023-10-19

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