University of Twente Student Theses


Circular design strategies in the construction of wastewater treatment plants

Brinkman, J.J. (2022) Circular design strategies in the construction of wastewater treatment plants.

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Abstract:Currently, the construction industry is responsible for over 30% of the extraction of raw materials (Benachio, Freitas, & Tavares , 2020). This happens because most of the construction sector uses the current culture of disposal and replacement, also known as Linear Economy. This has a huge effect on the earth and its climate. Because of this a change in thinking has been occurring in the construction industry, the adoption of a Circular economy model. The Circular economy model aims at keeping the materials in a closed loop to retain their maximum value. Mobilis is a major contractor in the construction industry in the Netherlands. In the Netherlands there are many wastewater treatment plants that are in need of renovation or need a capacity increase. Mobilis is a key player in realizing these plants. When realizing the plants, Mobilis wants to build them as circularly and sustainably as possible. This study was conducted in order to gain insight of which circular measures were taken in the construction and design of the wastewater treatment plants. For this research three wastewater treatment plants have been selected, WWTP Weert, Panheel and Tilburg. First a literature review was performed to gain insight which design strategies are mentioned in relevant literature in order to construct in a circular manner. Based on this literature review a theoretical pattern was formed. Next, an empirical pattern needed to be formed. To do this, a case study was conducted. For this case study the three wastewater treatment plants in Weert, Panheel and Tilburg were studied. To gather information, three sources of data had been selected, documentation, interviews, and observations. The documentation was gathered from documents Mobilis had internally stored regarding the projects. The interviews were conducted with relevant persons that had been involved in the realization of the wastewater treatment plants. For this empirical pattern, observations have been made. Both the WWTP in Weert and Tilburg have been visited and a tour on the site of the wastewater treatment plants was given. When both the theoretical pattern and the empirical pattern had been established, they were compared to each other. Based on this comparison conclusions were drawn, and recommendations were given.
Item Type:Essay (Bachelor)
Faculty:ET: Engineering Technology
Programme:Civil Engineering BSc (56952)
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