01-12-2014 Research findings BlueRevolution on urban scale

At a global scale, it is known that the BlueRevolution has a huge potential. On a much smaller scale however, the urban scale, little was known. A recent study in the Rotterdam City Region has shown that there is also a great potential on the urban scale.

The study examined the following research questions:

  • What is the urban metabolism of delta city Rotterdam for nutrients, CO2 and water?
  • How can floating developments in Rotterdam (including algae, aquaculture and urbanization) contribute to closing resource cycles and realizing a circular economy in the city?


The research demonstrated that quaponic systems are very effective in producing food and biofuel within a closed cycle. An aquaponic system combines two other food production systems, namely aquaculture (raising fish) and hydroponics (cultivating plants). In the combined aquaponic system the excretions from the fish are broken down by bacteria into nutrients that can be used to feed the plants. This way the cycle is closed.


Figure 1: aquaponic cycle


According to the research implementing the BlueRevolution in the city of Rotterdam could provide 66% of the current vegetable consumption and 63% of the average protein consumption. Moreover, 32% of the passenger car transportation could be supplied with biofuel. Extra nutrients and CO2 that are needed for aquaponics can be retrieved from municipal wastewater and industrial processes in the Rotterdam City Region. Doing so contributes to making Rotterdam a climate resilient delta city.

The amount of water surface that is needed to implement the BlueRevolution in Rotterdam amounts to 75 km2. By combining food and energy production with floating urbanization in the form of working and living the city of Rotterdam is able to expand in the future and at the same time it can contribute to a sustainable climate.


Figure 2: Impact of the BlueRevolution in Rotterdam


05-04-2011 Graduation project: Affordable sustainable floating houses

Two students from the Avans, University of applied sciences, did their final project on sustainable floating housing. DeltaSync coached them in this project.

The motivation for their research is the combination of a shortage of space for water storage on the one hand, and a...[more]


24-03-2011 Masterclass 'Living with Water in Haaglanden'

On March 24th the conference 'Living with Water in Haaglanden' was held at the office of Deltares in Delft. During the meeting, the participants met in water arenas and workshops to work actively with new knowledge and insights on water, environment and climate...[more]


14-02-2011 Junior TU Delft

For the third time the faculty Civil engineering and Geosciences organized the Junior TU Delft, a course for motivated highschool students. Five groups made a design for a floating city accompanied by Maurits Ertsen en Sandra Junier.

The students were lectured on...[more]


19-01-2011 Floating Games on the IJ

Floating Games on the IJ, in the heart of Amsterdam. A unique oppertunity to connect all Netherlands excellence.

Olympic Games on the IJ, on the border of the historic and the new city. With a temporary and mobile character for the Olympic locations and facilities. This...[more]


21-12-2010 Seasonal greetings

DeltaSync wishes you a merry christmas and a happy New Year!

We are looking forward to work with you in the future.

The DeltaSync Team[more]


08-12-2010 Strategic partnership Floating Life

DeltaSync and Floating Life have signed a strategic partnership in November. The will work together on organic, flexible urban development on the water in Almere. Both have the ambition to realize big scale floating urbanization. Decentralized water and energy supply through the...[more]


25-10-2010 Symposium on Floating Pavilion

On 1 October 2010 a special session was held on the Floating Pavilion for the Deltas in times of climate change conference in Rotterdam (www.climatedeltaconference.org). Key organizations who worked on this project gave a presentation on this project. The full program can be...[more]


19-10-2010 First water lots Harnaschpolder sold!

On October 18th the first three waterlots in de Harnaschpolder, Delft were sold. This means that three enthousiastic groups of people can start with the design and planning of their water house.

Two waterlots are still available. If you're interested please contact DeltaSync. [more]


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