Author: Prithvi Simha

Sanitation Technologies of the Future

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When?: 25 October 2017 at 13:00 Where?: Room: Hörsal V, Ulls hus, Swedish University of Agricultural Sciences, Uppsala Online Streaming?: Click here To honor Prof. Håkan Jönsson who retires during 2017, the Kretsloppsteknik research group at the Department of Energy and Technology, Swedish University of Agricultural Sciences is organizing a Farewell symposium on the 25th of… Continue reading Sanitation Technologies of the Future

Dry fertiliser from urine

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The saying ‘we are what we eat’ is only part of the story. What we eat is what we excrete, and this means plant nutrients. Human excreta contain the same nitrogen, phosphorus and potassium (N-P-K) as the fertilisers used to produce the food consumed (Winker et al., 2009). However, human excreta are considered unwanted waste… Continue reading Dry fertiliser from urine

The Road to Large-scale Implementation of Source-separation?

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Within our research group we are working with several methods for returning nutrients from food and wastewater to agriculture. Source separation of waste flows can make for simpler treatment and higher quality of the recovered products. However, the use of source separation systems is far from wide spread. Trying to understand why this is the… Continue reading The Road to Large-scale Implementation of Source-separation?

Open [green]house

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Foto: Anna Simonsson On May 16 at 13:00-16:00 we will have Open House in our fly larvae composting facility at SLU campus Ultuna in Uppsala. We will demonstrate our facility for growing and breeding of flies and larvae. We will also show how far we have progressed in the scaling up of the treatment module,… Continue reading Open [green]house

What do farmers in South India think of human urine as a fertiliser?

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Technological advances in the sanitation sector have made it feasible to safely recycle human wastes to agricultural areas to use as fertilisers. From a social science perspective, these developments open up a new array of questions: for instance, are farmers be willing to handle and use such fertilisers? How do farmers perceive such materials –… Continue reading What do farmers in South India think of human urine as a fertiliser?