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TU Delft - January 2009
PhD position
Innovative Reuse of Wastewater Treatment Plant Effluent2009 - 2012
Sanitary Engineering - WatermanagementDelft University of Technology
(1.0 fte, f/m)
Background project
The Department of Sanitary Engineering at Delft University of Technology (TUD) is seeking for aPhD student for a four-year research project on an innovation project in reuse of wastewater
treatment plant (wwtp) effluent. The project will investigate the application of innovative water
purification technologies to produce reliable and reusable water from wastewater effluent inorder to guarantee a long lasting and sustainable water supply to the greenhouse industry and
for purposes of environmental planning (surface water, water-level control systems). The projectis conducted in cooperation with Veolia Water, Evides Industriewater and Waterboard Delfland
and is scheduled to take place at wwtp Harnaschpolder (1.2 million population equivalents) andTU Delft both located in Delft, The Netherlands.
Description of PhD research
The PhD research will focus on the reuse potential of wwtp effluent. The reuse potential of wwtpeffluent depends on quality and local situation. Wwtp effluent directly taken after a secondary
clarifier has a lower reuse potential instead of advanced treated effluent. However, at the
moment most reuse plants are designed to treat wwtp effluent for one application. To increasereuse of wwtp effluent the reuse plants have to treat water for different purposes ranging from
agricultural uses, industrial applications to potable water.The quality and therefore the reuse potential of wwtp effluent can be influenced by technologies
in different configurations. In effluent reuse, coagulation, media filtration, membrane filtrationand adsorption are the most commonly used processes. Each process removes specific
compounds or substances of the effluent and influence the reuse potential. However, the effect
of the individual processes on the reuse potential is still a lack in knowledge about reuse of wwtpeffluent.
TU Delft - January 2009
The reuse potential depends on the technology itself but also on the process parameters of atechnology. For example, filtration rate, mixing energy, pressure, etc. will influence the reuse
potential. In this research the effect of the main parameters for each technology will beinvestigated.
When the effect of the processes and process parameter on the reuse potential is known a
comparison between different configurations can be done. This comparison should lead to a
model where technologies can be selected for different end users based on the reuse potential.
Objectives of PhD research
• Select parameters and instruments to measure the reuse potential of wwtp effluent.
• Get insight in the effect of different processes on the reuse potential of wwtp effluent.
• Investigate the feasibility of reuse schemes based on reuse potential
Duration
48 months, starting early 2009 (2009 – end 2012)
Expected profile
• Master degree or equivalent in Civil / Environmental / Chemical Engineering or comparable.
• Experience in advanced water treatment and skills in pilot plant operation are welcome.
• Good communication skills and team spirit.
• Well developed analytical and laboratory skills.
• Fluency in English, both written and spoken.
Conditions of employment• The PhD student will be employed full-time by TU Delft for a fixed period of 4 years within
which he or she is expected to write a dissertation leading to a doctoral degree (PhD thesis).
• TU Delft offers a market representative monthly salary.• TU Delft offers an attractive benefits package, including a flexible workweek, free high-speed
Internet access from home, and the option of assembling a customized compensation and
benefits package.
• The PhD will be working in an inspiring and dynamic environment in close collaboration with
project partners.
Information
For more information about this position, please contact dr.ir. A.F. van Nieuwenhuijzen, e-mail:[email protected]
or prof.ir. J.H.J.M. van der Graaf [email protected]
Sanitary Engineering
PO Box 50482600 GA Delft
Phone: 015-2783347
Application
To apply, please e-mail a detailed CV along with a letter of application to Dr.ir. A.F. vanNieuwenhuijzen.
