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Research: Synthesis of chemicals and materials, reduction of pollutants emissions, and energy conversion

Our research interests lie in the area of chemical reaction engineering, in particular in experimental, theoretical, and numerical investigations of heterogeneous (gas/liquid/solid) reaction systems for the synthesis of chemical and materials, the reduction of pollutant emissions and energy conversion. The work focuses on bridging the gap between surface science and heterogeneous catalysis as well as on understanding the interactions between chemical reactions and transport phenomena in chemical reactors and combustion systems. This approach is based on modern experimental investigations of the elementary processes in the gas phase and on the solid surface and further on measurements of the behavior of the entire reactor. The research also focuses on the development and application of computational tools for the numerical simulation of chemically reacting flows in laboratory experiments and in technical reactors under industrial conditions.


High-temperature catalysis

high-temperature catalysis

Synthesis gas by catalytic partial oxidation of methane
Partial oxidation of light alkanes to olefins
Formation of oxygenates by partial oxidation of alkanes
Conversion of ethanol to hydrogen  
Conversion of gasoline and diesel to hydrogen  
Conversion of kerosene to hydrogen  
Dry reforming of methane  

Control of pollutant emissions


emission control




Three-way catalytic converter

Lean NOx trap
Diesel oxidation catalysts
Aging of automotive catalysts
Urea-SCR catalysts  
Modeling of AdBlue decomposition  

Multi-functional conversion of chemicals and energy


Spray/Wall-Interaction in Urea-SCR systems

Experimental studies of multiphase chemical reactions in exhaust

aftertreatment systems

Hydrogenation of CO2 to Methanol under Dynamic Reaction Conditions: A Novel Concept for Carbon Capture and Utilization





Optical diagnostics in combustion
Catalytic combustion research for gas turbine application

Catalytic radiant burner with energy recuperation


Materials synthesis



Carbon nanotubes
Pyrolytic carbon

Materials World Network: Carbon-carbon composites 


Solid oxide fuel and solid oxide electrolysis cells




Solid oxide fuel and solid oxide electrolysis cells

Modeling direct internal reforming in anode-supported cells
Modeling transients in SOFC stacks



Multi-phase flow

Scale-resolving simulation of reactive two-phase flows in monolith and solid foam reactors

Hydrodynamics and mass transfer in Taylor flow
Turbulence modeling of bubbly two-phase flows

Computational tools


Detailed Chemistry models in CFD with DETCHEM

Multi-Phase Flow with TURBIT-VOF
Monte-Carlo-simulation of catalytic reactions with MoCKa
Optimization of reactive systems
Simulation of stagnation flow reactors with DETCHEMSTAG  

Reaction mechanisms

reaction mechanisms

Reaction mechanisms

Catalytic conversion over platinum
Catalytic conversion over rhodium
Catalytic conversion over nickel  

Laboratories and Equipment

Exhaust-Gas Center (Abgaszentrum) Karlsruhe  
Catalysis at High Temperature Laser Environment (CATHLEN)  
Optical Diagnostics  
Spacial Profiles in monolithic catalysts (SpaciPro)  
High-temperature catalysis reactors (CPOX-I, -II)  
Stagnation Flow Reactor  
Computer cluster