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Student position in research and development


Are you a highly motivated mechanical engineering student who has an interest in applying your technical, scientific and practical skills in the development of novel, large scale and word class plastic sorting machines? Do you want to influence and contribute to the ​development, construction, modelling, optimization and design of our technology?

If you can answer “yes” to these two questions, we can offer a challenging and fun student position at Trebo and we therefore encourage you to continue reading.

About the company Trebo is a cleantech company that develops, manufactures and tests a novel fluid-mechanical based plastic sorting technology. The sorting technology enables the plastic industry to sort large-scale plastic-type mixtures and transform the industry’s production scrap waste into valuable resources.




We are searching for candidates who have some of the following education and

qualifications (or the motivation and drive to learn them):

- Studying within the field of mechanical engineering or similar at a Danish university.

- Focus areas of studies are process design, construction and mechanics, numerical

modelling and optimization.

- At least one-to-two semesters of study remaining at the university.

- Understanding of the basic concepts within fluid dynamics and structural mechanics

modelling. Experience in commercial or academic computational softwares such as Ansys, STAR CCM+, COMSOL or OpenFOAM is appreciated.

- Basic skills in SolidWorks or similar CAD software.

- Basic skills in experimental design and conduction of experiments.

- Basic skills in data analysis in scripting languages such as Python or Matlab or similar.

- Basic skills in practical work.


The position


Your work tasks will vary considerably, as we are facing a broad palette of problems varying from academic and scientific challenges to simple practical routines. In the following, we have listed two examples of common tasks:

- Conducting an experiment, processing the experimental data, comparing the experimental data with numerical or analytic results and documenting the findings in a report.

- Assisting the team in developing, installing, maintaining and operating machinery concerning the plastic sorting process.


The average working hours are 10-15 hours per week and the workplace is at Trebo’s premises in Søborg.


Our vision


The annual global production of plastic has in 2019 exceeded more than 300,000,000,000 kg and even though the majority of plastic waste is suited for recycling purposes, more than 90% of the global production of plastic is either incinerated, deposited or dumped in nature. As the production of one kilogram of virgin plastic on average requires three kilograms of natural oil, the plastic industry is a global large-scale consumer of fossil fuels and therefore an important intrant in the green and sustainable changeover of the industry. Due to the wide palette of applications and physical characteristics of plastics, many end-user plastic products consist of one or more different types of plastic. As the quality and application performance of mixed plastic is decreased critically compared to the pure counterpart, plastic mixes are often considered as waste and inclicinated or sold to a price which is significantly lower than the price of the virgin plastic. As industrial waste streams of mixed plastic constitute approximately 60% of the total plastic waste stream, we believe it is critical to develop methodologies which effectively sorts and hereby restores the value and physical properties of the virgin plastic. It is here Trebo comes into the picture.


At Trebo, we are environmentalists and our vision is to make the global plastic industry more

sustainable and renewable. We hope that you will join us on our adventure.


Other information

If you have any questions about the position or the company, please contact Christian Lundgaard, Chief Scientific Officer at Trebo via phone +45 61717117 or email 

As we’ll be conducting interviews on a continuous basis, we motivate you to send your

application to us as soon as possible and no later than 20th of May 2020






If you are interested and find yourself a good fit to the position you can apply by sending your CV and a short introdcution to Please indicate the company's name, the desired role with your name and nationality in the subject of the message! 









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Location: Søborg , Denmark

Compensation: Paid position

Working hours: 10-15 hours per week
Start date: After 20th of May