Advanced biological treatment - internship

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Climate change and the continuous population growth arekey contributing factors to clean water shortage worldwide.One way to mitigate the rise of water scarcity is byimproving the efficiency of wastewater treatment processand the possibility for water reuse. The conventional biological processes for wastewater treatment are proven and robust solutions. However, in many cases there are existing better alternatives, which can deliver attractive and sustainable solutions to our clients. Nutrients in the wastewater it’s an extended issue in environment. Due to stricter regulations, Industries &Municipalities need to come up with solutions to removenutrients from wastewater to comply with regulations whilehaving a compact and economic solution.

Luuk Hebinck (Intern R&D): ”I am working on the recovery of ammonium and carbonate ions from wastewater using electrodialysis to eventually produce the salt ammonium bicarbonate which can be used as fertilizer or nitrogen feedstock. I am proud of the fact that the results I obtained in the laboratory helped the project move forward and that my work has therefore been useful for Nijhuis.
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The goal of this internship is to compare different advanced biological systems with specific biomass growth. The assignment will include a literature review, after which labscale experiments will be performed to verify the outcomes of the desk study. Wastewater from various origin will be tested and data will be collected, analysed, and translated in use for a full-scale design. Finally, an estimation of the investment and operational costs will be made based on the experimental data.


In general, motivation and curiosity is the only requirement. Working in NSI will give you the space to grow in a specific topic and find out how a big organization works with very different departments and disciplines for one final goal: To implement optimal Water technology solutions for different industries!


  • BSc or MSc Chemical, (Bio)Process or Environmental Engineering.
  • Ability to communicate effectively.
  • Flexibility and indepence.
  • Professional command of the English language in words and writing. Command of the Dutch language is desirable, but not required.
  • Minimum 4 months internship.


Are you a potential candidate and do you have any questions about this vacancy? Please send the following to Iñigo De Eguren (Jr. process design engineer):

  • Your resume and motivation.
  • The period and duration of your internship.


Luuk Hebinck (Intern R&D): ”..besides the interesting and challenging projects Nijhuis offers, you gain experience in working for a company. In addition, you get a good idea of what different job functions there are within a company like Nijhuis which can help you orientate what you want after graduation.”

Working for Nijhuis Saur Industries means working for a fast-growing international company with a clear mission. Over 250 water champions work in the Netherlands who enthusiastically dedicate themselves every day to #missionwater. Did you know that we have no less than 5000 project references worldwide, of which 55% inside and 45% outside of Europe? You don’t just choose a particular internship, you choose an employer where you can develop yourself and contribute to a better world. Every day is different, diverse, and comprehensive.


Our purpose is to be an advocate for water, ensuring that everyone – municipalities, industries, citizen, farmers, non-governmental organizations and civil society as a whole – gives water the value it deserves. Beyond our daily business of providing adequate supplies and responsible quality and treatment of water, we are committed to acting and to convincing others, so that together we can invest in saving water, and in inventing new models to preserve one the most precious resources on our planet. We call it #missionwater and we invite you to join the movement.

Vacature delen?

Kom anders een kopje koffie drinken met IÑIGO DE EGUREN (JR. PROCESS DESIGN ENGINEER)


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  • Max. bestandsgrootte: 256 MB.

Nijhuis Saur Industries