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


02-10-2014 Webinar Drijvend Bouwen 7 oktober / 4 november 2014

This article is only available in Dutch

Na eerdere succesvolle webinars organiseert SKB weer nieuwe webinars. Ditmaal over waterkwaliteit en ecologie bij drijvend bouwen. Rutger de Graaf en Floris Boogaard hebben onderzoek verricht naar de waterkwaliteit en ecologie bij...[more]



30-09-2014 Deltas 2014: Concept of floating cities grabs imagination at international congress on river deltas

Is it a dream of young engineers or will it be the future? Large floating living areas on inner waters or even off the coast? Whatever the answer, fact is that the workshop on floating cities during the conference Deltas in times of climate change in Rotterdam on 25 September,...[more]


20-06-2014 The Green Village partner event

On Tuesday, June 18 DeltaSync was a guest of the Green Village partner event. Led by Ad van Wijk and TV presenter Froukje Jansen visitors were taken on a journey across the different sections of the Green Village: Future Labs, Engines, The Store, and Events. During the last...[more]


05-06-2014 Survey on the effects of floating urbanization

Together with Tauw and Deltares DeltaSync conducted a nation-wide survey on the effects of floating urbanization on water quality and ecology. Over the past few months the survey was conducted, together with students, using a so-called underwater drone. The drone, which was able...[more]


27-05-2014 Netwerkborrel Platform Drijvend Bouwen

This article is only available in Dutch

Op 5 juni zal in het drijvend kantoor van Waternet in Amsterdam de eerste borrel worden gehouden van de stichting Platform Drijvend Bouwen. Naast de mogelijkheid tot bezichtigen van het drijvend kantoor zal er gesproken worden over de...[more]



10-04-2014 In the press

The press was very much interested in the work of DeltaSync in the past months. Publications and interviews include the Guardian, Sky News and BBC Radio. You can read the news article on The Guardian here Watch the Sky News video here[more]


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