My State Exam Experience – Antoine Bercy

The state exam is a key milestone in the PhD journey, testing both subject knowledge and the ability to synthesize and apply research concepts. In this blog series, BRT PhD students provide an inside look at the exam process — from preparation methods to the structure of the exam itself — offering insights into this essential academic requirement. Read PhD student Antoine Bercy’s  first account below!

I passed my state exam and it went very well! For context, my research focuses on the scaling of different biogas production technologies to fill the gap between very large industrial reactors and small-scale households digesters, This means that I have a very broad knowledge of the whole process of anaerobic digestion.

As my work focuses on that technology, most of the questions were on the subject of anaerobic digestion. Specifically how to control it and the potential weaknesses of the process. After these questions, the exam deviated a bit to cover the process of wastewater management and biochar. Lastly, the subject of compost was examined, especially regarding the industrial process, which was a bit harder for me as I am less familiar with the subject.

Overall, it was a great experience for me and I really enjoyed it. I saw it as more of a scientific discussion on the broader topic of organic waste management. This meant I was confident in my knowledge as I work in this field every single day. My 6-month internship at a waste management company where I acquired external industrial skills was also very helpful. This is the philosophy I would like to share to other students that may stress a lot over exams like this. You have worked in your field for years at this point, you can consider yourself an expert, and shouldn’t feel shy about your skills!

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