Unfortunately, this idea was not selected

Unfortunately, the idea did not receive enough votes in the poll and will therefore not proceed to the next phase.

However, the project team and the City of Zurich are reviewing all submitted ideas once again to identify potential synergies with other projects. Perhaps your idea could be implemented even without additional support? Please consider whether you would like to pursue the idea further.

If you’d like to continue getting involved in the pilot neighbourhood, you can also help develop one of the 26 selected ideas. To do so, contact the idea proposers directly or write to mitmachen@pilotquartier.ch.

Rethinking greywater – recovering energy, reusing water several times

Idea not chosen
What should be created?
A small, location-independent greywater pilot module that shows in the neighbourhood how warm shower and washbasin water can first be used for energy and then biologically purified. The system consists of a grey water tank with an integrated heat exchanger in the building and a small, planted external filter that makes the purified water usable for toilet flushing or irrigation. The module saves drinking water, recovers energy and relieves the sewer system – a simple, visible real-world laboratory for the urban water cycle.
example
Inspiration from existing Swiss solutions: greywater treatment, decentralised plant filters for wastewater and compact heat recovery systems from greywater. For the first time, the project combines these elements into a small neighbourhood pilot module.
Are you an individual or part of a group?
I'm an individual
Name
Tobias Kraft
Are you implementing the idea alone or are you still looking for comrades-in-arms?
I/we are still looking for comrades-in-arms
Describe the place(s)
The idea is open to all locations and can be implemented in various micro-locations in the pilot district: e.g. courtyards, small green spaces, cooperative outdoor areas or semi-public intermediate spaces. It is important to have a building with easy access to a greywater string and a greenable outdoor area for the filtration bed. The exact location is to be chosen together with the project management and the owners on the basis of technical and social criteria.
Comment

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Rethinking greywater – recovering energy, reusing water several times

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