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Scaling up urine concentration technologies
This research paper assesses the environmental and societal impacts of three urine concentration technologies—alkaline dehydration, nitrification-distillation, and ion-exchange with struvite precipitation—within a planned residential area in Malmö, Sweden, to provide guidance for scaling up nutrient recovery for a circular economy.
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Document type: Research paper
Combinando el saneamiento con alcantarillado y sin alcantarillado en Montero, Bolivia
This report evaluates the sustainability, user preferences, agricultural demand for reused products, and governance capacity of sanitation systems in Montero, Bolivia. It examines a mix of centralized sewer-based systems and decentralized in situ options, concluding that while technical optimizations can improve environmental and health outcomes, long-term sustainability requires stronger governance, policy instruments, and increased public awareness.
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Document type: Report
Ecotechnologies in agriculture for the recovery and reuse of carbon and nutrients in the Baltic Sea region
This research paper presents a systematic map of evidence regarding the effectiveness of ecotechnologies used for the recovery and reuse of carbon, nitrogen, and phosphorus in agriculture within the Baltic Sea region and similar boreo-temperate systems, focusing on literature from 2013 to 2017.
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Document type: Research paper
CBA analysis of selected eco-technologies in the BSR
This report provides a cost-benefit analysis (CBA) of selected eco-technologies for wastewater treatment and nutrient recovery across three catchment areas in the Baltic Sea Region (BSR). By combining CBA with multi-criteria analysis (MCA), the study evaluates the economic efficiency of various technologies compared to baseline scenarios, focusing on the recovery of phosphorus and nitrogen and the mitigation of greenhouse gas emissions.
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Document type: Report
Ecotechnologies for the recovery of nitrogen and phosphorus from anaerobic digestate: Effectiveness of products as fertilisers
This research paper review examines the effectiveness of ecotechnologies, specifically struvite precipitation and ammonia stripping, for recovering nitrogen and phosphorus from the liquid phase of anaerobic digestate to provide plant nutrients and renewable energy while reducing environmental waste impact.
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Document type: Research paper
Report from the multi-criteria analysis from workshop 2 with comparisons of the different alternatives in each case study and selection of eco-technologies for further use in WP5
This report details a multi-criteria analysis (MCA) conducted by the BONUS RETURN project to evaluate the sustainability of various eco-technologies for recovering nutrients and carbon from waste. The study focuses on three catchment areas: Vantaanjoki in Finland, Fyrisån in Sweden, and Słupia in Poland. By engaging local stakeholders to weight sustainability criteria, the report compares baseline management systems against alternatives such as anaerobic digestion, pyrolysis, and source-separation of wastewater.
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Document type: Report