TU Delft

Postdoc: Smart extraction of solid particles from a waste flow

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Faculty Civil Engineering and Geosciences

The Faculty of Civil Engineering and Geosciences of Delft University of Technology (TU Delft) provides leading international research and education, with innovation and sustainability as central themes. Research and education are closely interwoven and address societal challenges. The Faculty consists of the departments of Transport and Planning, Engineering Structures, Materials, Mechanics, Management and Design, Geoscience and Engineering, Water Management, Hydraulic Engineering, and Geoscience and Remote Sensing.

Resources and Recycling is a research group within Engineering Structures, with strong links to the recycling industry. The group’s ambition is to create breakthroughs in recycling by applying science to innovative processes and implementing them in collaborations with industry. The ongoing research projects combine theoretical insights, simulation and modelling with experiments in the group’s laboratory and in pilot plants.

Functie omschrijving

This Postdoc research is part of a collaboration between the Dutch scrap industry and Delft University on predicting the dynamics of complex-shaped particles in particle extraction processes. The ultimate aim of the study is to replace hand sorting in the recycling industry by mechanical sorting processes that can rival the quality of human hand pickers. Research at the Resources and Recycling group has a reputation for translating fundamental science into industrial reality, resulting in six spin-off companies to date. The project offers the opportunity to join our team, and work together with other Post-docs and PhD students involved in high-tech recycling.

The main task of the Postdoc will be to develop an understanding of the relation between the visual characteristics of scrap particles and their dynamical response to point forces, based on an underlying (probabilistic) model of distinct classes of particles. Experiments with different types of point forces should provide a verification of the model. The newly developed model will be used to optimise sorting processes in pilot implementations.

Functie eisen

Our group seeks a driven researcher with a background in physics/mechanical engineering (PhD degree) and a solid training in experimental research and modelling. A good comprehension of English, both spoken and written, is required. Candidates should also have an affinity with innovation and working in multidisciplinary teams.


The TU Delft offers an attractive, customisable compensation and benefits package, including a discount for health insurance and sport memberships, and a monthly work costs contribution. Flexible work schedules can be arranged. An International Children’s Centre offers day care, before- and after-school care and an international primary school. Dual Career Services offers support to accompanying partners. Salary and benefits are in accordance with the Collective Labour Agreement for Dutch Universities. It is an option for the candidate to be employed directly by the Dutch scrap industry.

Informeren en solliciteren

For more information about this position, please contact Prof.dr. Peter Rem, phone: +31 (0)15-2783617, email: P.C.Rem@tudelft.nl.

To apply, please send:

  • A cover/motivation letter explaining your interest, qualification for the position, and approach to the research;

  • A Curriculum vitae;

  • A list of publications;

  • An abstract of your PhD thesis in English;

  • Two selected publications;

  • The names and contact information of two referees.

Please email your application in one single PDF entitled Lastname_CITG20.18 before July 15 to Recruitment-CiTG@tudelft.nl.

Acquisitie naar aanleiding van deze vacature wordt niet op prijs gesteld.

Uren per week: 38.0 uur per week

Salaris: € 3.389,- tot € 4.274,- per maand


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