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





28-11-2014 Webinars Drijvend Bouwen online terug te kijken

This article is only available in Dutch

Op dinsdag 4 november j.l. heeft deel 2 van de Webinar Waterkwaliteit en Drijvend Bouwen plaatsgevonden. Rutger de Graaf en Floris Boogaard hebben onderzoek verricht naar de waterkwaliteit en ecologie bij drijvend bouwen. Zij hebben in...[more]


31-10-2014 Research on comfort levels for floating platforms

Morten Joe Slingsby, Master student Offshore Engineering at TU Delft, recently finished his internship at DeltaSync. In cohesion with our research for the Seasteading Insitute, we were very interested in the level of comfort of living on a seastead, more specifically two...[more]


24-10-2014 Demonstration underwater drone

On Monday 13 October DeltaSync gave a demonstration of the new underwater drone in the Harnaschpolder, Delft. One of the attendants was Ronald Vuijk, member of the Dutch House of Representatives and former member of the Executive Board of Delft. During his career as a member of...[more]


24-10-2014 University of New Orleans tests Floating City project's concept design

The Floating City project has entered the next phase. In their newsletter the Seasteading Institute reports that a model of the project's concept design is being tested in a so-called 'wave tank' at the University of New Orleans. The study is led by Michael Capitain of Welwynd...[more]



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