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


12-12-2011 Dutch pioneers unite in new Floating Construction Platform

After a year of preperations the Floating Construction Platform was officially launched on friday, December 2. The platform aims at bringing together all initiatives concerning floating construction and help expand this field. The Netherlands are to produce succesful examples...[more]


18-10-2011 Conferences

In the coming months, DeltaSync will be present at a number of international congresses. These are:

On October 31st and November 1st the international conference Watercities in Transition will be held. It is organized as part of the International Water Week (IWW). During the...[more]


14-10-2011 NTA Floating constructions

The Floating constructions committee of the Dutch Standardization Institute has presented the Dutch Technical Agreement (NTA) 8111 at the Water, Living & Space Conference on October 13th. With this agreement municipalities have the oppertunity to check if floating buildings...[more]



28-09-2011 Roadshow Eigen Haard

On september 27th DeltaSync facilitated a roadshow at housing association Eigen Haard in collaboration with Tauw and Deltares. The roadshow was held to support the company's development of knowledge and to enrich its innovation programme. 

The roadshow is an interactive...[more]


21-09-2011 Business case DNE

Together with the company 4-Tune, DeltaSync has been working on a business case for the Floating Utility Unit (DNE). The business case shows that for a house or building with living function, the pay back period is a maximum of 14 years. For an office function this is 19 years....[more]


05-07-2011 Prime Minister Nordrhein Westfalen meets DeltaSync

On thursday 16th of June, the Prime minister of the German state Nordrhein Westfalen, Hanneke Kraft, visited Yes!Delft. She made a tour through the building and spoke with several young entrepeneurs. DeltaSync was one of them. Ms. Kraft said to be very impressed by the...[more]


20-06-2011 FloodproBE stakeholder meeting

The second stakeholder meeting of FloodproBE was from May 18th till 20th in Trondheim. Several participants from the case studie cities were gathered to discuss the preliminary results.

FloodProBE is a European research project with the objective of providing cost-effective...[more]


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