Phd students



Renée Ripken



Zuidhorst 111


+31 53 489 2019


PhD student



Renée (1991) studied chemistry at the Radboud University Nijmegen, where she obtained both her Bachelor and Master degree. Her first project concerned inline FTIR analysis in a microfluidic system, studying Grignard reaction intermediates. Furthermore, she was involved in the UltraSense NMR program, for which she developed a gas-liquid microfluidic system integrated with a stripline NMR to hyperpolarize biomarkers for early medical diagnostics. Both projects were a collaboration between the Radboud University Nijmegen and FutureChemistry B.V. During an internship at the TU Eindhoven Renée worked on the reactor modelling of the Spinning Disc Reactor and learned some basic chemical engineering in addition to molecular chemistry. In 2015, she started as a PhD-student in the AMBER and MCS groups at the University of Twente.

Research summary

As the energy demand is still increasing and the fossil fuel supply is in rapid decline, research into new renewable energy sources and their production methods is urgently needed. Hydrogen is a promising alternative energy source that can be produced from biomass. Currently, pyrolysis, steam reforming and thermal liquefaction are the most common production methods. In 2002, the Dumesic group introduced Aqueous Phase Reforming (APR) as a less energy demanding alternative. In addition to a theoretical model, a high temperature and pressure microfluidic platform will be developed to study the thermodynamics and kinetics of aqueous phase reforming of biomass for hydrogen production.

This project is part of the Multiscale Catalysis for Energy Conversion (MCEC) Gravitation program


1. Van Gool, Van den Broek, Ripken, Nieuwland, Koch, Rutjes Chem. Eng. Technol. 2013 36(6), pp 1-6