Laboratory of Photochemical Reaction Engineering

The research group "Photochemical Reaction Engineering" was established in April 2018 as a part of the Institute of Chemical Engineering and is headed by Prof. Dr. rer. nat. Dirk Ziegenbalg.

The group works on fundamental investigations, optimization and design of photoreactors as well as photochemical processes. Optimization and design is based on fundamental knowledge of the photon fluxes in the reactors. For this, micro- and millistructured reactors, online-analytical methods, additive manufacturing and numerical simulations are applied as tools. Another topical focus lies on the application of light as tool for investigations in terms of reaction engineering. An overview about our research can be found here.

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A snapshot of our work presented at the studium generale at Ulm University (in German).

Focus and Methods

Main Topics

  • Design, characterization and intensivation of photoreactors
  • New methods for characterizing photoreactors
  • Unsteady operation of photoreactions
  • Modelling and simulation of photoreactors
  • Reaction control
  • Light as tool
  • Multiphase reactions


  • Actinometry
  • Radiometry
  • Chemical Synthesis
  • Additive manufacturing
  • Modelling and simulation

We are always looking for motivated student assistants. If you are interessted in contributing to our research, do not hesitate to contact Prof. Ziegenbalg.