Student field visit to Prof. Håkan Jönsson’s house


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Earlier today, Prof. Håkan Jönsson, Pernilla Tidåker, and Prithvi Simha coordinated a student (from the Sustainable Food Systems master’s program at SLU) visit to a garden and a house owned by Håkan, who has designed a local system where most of the plant nutrients from the household are recycled back to the garden and used… Continue reading Student field visit to Prof. Håkan Jönsson’s house

Course: Innovation systems in circular Bioeconomy, Helsinki


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Alice Isibika and Prithvi Simha, PhD students at Kretsloppsteknik were in Helsinki 19 -23 Aug. 2019, to take part in the NOVA course, Advanced Course of Innovation Systems in Circular Bioeconomy. The course was organised by Professor Anne Toppinen, University of Helsinki: Faculty of Agriculture and Forestry. The course, largely taught from the perspective of… Continue reading Course: Innovation systems in circular Bioeconomy, Helsinki

Visit from Finnish Water & Wastewater Association


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Earlier today, we were happy to welcome a group of 20 delegates from the Finnish Water and Wastewater Association interested in on-site sanitation systems. From the group, Prithvi presented the urine drying technology. During the seminar, there were several presentations from organisations outside the university, e.g. VA-Guiden and the Swedish Agency for Marine and Water… Continue reading Visit from Finnish Water & Wastewater Association

Fly larvae composting research presented at Matologi


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Evgheni Ermolaev and Nils Ewald from SLU Kretsloppsteknik together with Vesa Hiltula and Benny Björk from Eskilstuna Strängnäs Energi och Miljö AB presented the latest research results and the large-scale implementation progress of the fly lave composting system developed in the group from 2011. Matology is a yearly exhibition held by SLU in Stockholm with… Continue reading Fly larvae composting research presented at Matologi

Björn Vinnerås promoted to full Professor in Environmental Engineering


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On the 1st of July, Björn Vinnerås was promoted to full Professor in Environmental Engineering at SLU. At the same time, Bjorn has also taken up the position (50%) as Head of Department of Energy and Technology but will continue with his research on the second half of the position (50%). The framework of the… Continue reading Björn Vinnerås promoted to full Professor in Environmental Engineering

Semi-decentralised alkaline urine drying in an urban building


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During the last week, group members Prithvi Simha and Giulio Zorzetto were in Tampere, Finland where they installed a new urine dehydrator module that is being pilot tested in the Hiedanranta neighbourhood of the city of Tampere. The treatment module was constructed at SLU, transported to Finland, reasssembled at TAMK, and finally installed at the… Continue reading Semi-decentralised alkaline urine drying in an urban building

Thank you Porin Prikaati: wrapping up the urine drying pilot in Säkylä


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The three month long urine drying pilot installation at the Pori Birgade in Säkylä, Finland was dismantled last week, bringing to an end the first field demonstration of our technology. As you’ll recall from our previous blogs, we integrated a urine dehydration module with capacity of treating 40 L urine/day/m2 into an existing, mobile dry… Continue reading Thank you Porin Prikaati: wrapping up the urine drying pilot in Säkylä

Recent studies highlight the importance of leadership and vision


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Two recent studies from the group have pointed at the importance of good leadership and common visions for successfully implementation of new water and wastewater systems. A theory-building case-study of community-based water and wastewater systems in Cochabamba, Bolivia identified four prerequisites for success: leadership, agreed vision, collective action and management. The study builds a framework… Continue reading Recent studies highlight the importance of leadership and vision