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We provide a patented technology able to produce a safe, effective and certified fertiliser from recycling urine.

May 2023
Gallery VUNA 1
Gallery VUNA 1


We use a patented technology to locally recycle human and livestock urine into a certified fertiliser. The solution creates a green alternative revenue source for large commercial buildings while taking part in the circular economy. It reduces the nutrient load on ground waters and wastewater treatment plants.

  • /
Label Date May 12, 2023
From Switzerland
Maturity stage Initial market commercialization
Looking For Network, New clients, Visibility, Funding, Partners, Credibility

The environmental benefits

  • A 400 people building can recycle 511Kg of Nitrogen, and produce enough fertiliser to grow 18t of grain
  • Buildings recycling urine at the source save on average 1.5Kg of CO2 per M2/year
  • 1 Kg of grain fertilised with Aurin emits 175gr of CO2 less than with a conventional fertiliser
  • Synthetic fertiliser production emits 1.2% of global CO2 emissions, while human and animal excreta could replace 100% of that synthetic fertiliser

The Financial benefits

  • Recycling urine in a building can see a return on investment in 15 years
  • Locally produced fertilisers cost the same than fertilisers produced far away

Activity Region

  • /
  • Headquarters
  • Activity

Company Profile

VunaNexus AG

We use a patented technology to locally recycle human and livestock urine into a certified fertiliser, Aurin.

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Headquarters 8600 Dübendorf, Switzerland

Networking Partner

Horizon Results Platform - European Commission

The Horizon Results Platform is a new European Commission platform helping EU Research & Innovation funding beneficiaries to valorise their results with a view to creating socio-economic impact.

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Solutions Associated 20
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The information set out above, is solely for the purposes of information and the Solar Impulse Foundation does not provide any guarantee as to its authenticity, completeness or accuracy. This information does not constitute investment advice or a recommendation to buy into, transact or to enter into any agreement with any of the parties or persons mentioned above. Potential investors or interested parties are solely responsible for their investment or business decisions and for performing any due diligence required by the circumstances. The innovator VunaNexus AG has asserted ownership of the intellectual property rights for images, videos, and content showcased above, affirming full and unrestricted usage rights, and has provided explicit permission for the Solar Impulse Foundation to publish such information designated as "public" in the application form.