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Bild Marion Börnhorst

Marion Börnhorst

Raum: 207.3, Geb./Bldg. 11.21
Tel.: +49 721 608-42399
marion boernhorstNpa5∂kit edu

Postal address:
Institute for Chemical Technology and Polymer Chemistry
Engesserstr. 20
Campus South Bldg. 11.21
76131 Karlsruhe
Germany


Education | Degrees

M. Sc. Chemical Engineering, TU Dortmund University, Oct. 2013 – May 2015

Master’s Thesis : Impregnation of support materials with various pore structures under different drying conditions

B. SC. Chemical Engineering, TU Dortmund University, Oct. 2009 – July 2013

Research Interests

Formation of solid deposits due to urea injection for NOx selective catalytic reduction in diesel engine exhaust gas after-treatment Systems

  • 2-component droplet evaporation
  • spray/wall-interaction
  • film formation
  • solid formation by drying, crystallization and multiphase chemistry
  • multiphase processes

Honors

Best Presentation Award, Annual meeting of the ProcessNet subject division “Drying Technology”, Weimar, 2016

Award for best graduation of the year, Department of Biochemical and Chemical Engineering, TU Dortmund University, 2015

Conferences

Cross-Cut Lean Exhaust Emissions Reduction Simulations (CLEERS), “Ammonia Preparation in the Tailpipe: Spray/Wall Interaction and Deposit Formation”, Ann Arbor, USA, 2018, oral presentation


Annual meeting of the ProcessNet subject division “Multiphase Flows and CFD“, „Tropfen/Wand-Interaktion einer wässrigen Harnstofflösung auf beheizten Substraten“, Bremen, 2018, oral presentation


11th International Congress on Catalysis and Automotive Pollution Control (CAPoC), “Kinetic Analysis and Modeling of Urea Decomposition in Exhaust Gas Aftertreatment Systems”, Brussels, Belgium, 2018, poster


International Symposium on Chemical Reaction Engineering, “Kinetic Analysis and Modeling of Evaporation and Urea Decomposition Processes in Exhaust Gas Aftertreatment Systems”, Florence, Italy, 2018, poster


International Workshop on Near Wall Reactive Flows, “Spray/wall-interaction and deposit formation in ammonia selective catalytic reduction systems”, Darmstadt, 2017, oral presentation


Annual meeting of the ProcessNet subject division “Heat and Mass Transfer”, “Spray/Wand-Interaktion und Wärmeübergang in Harnstoff-SCR Systemen”, Bruchsal, 2017, poster  


International Symposium on Modeling of Exhaust-Gas After-Treatment (MODEGAT), “Spray/wall interaction and heat transfer in urea SCR systems”, Karlsruhe, 2017, poster  


Annual meeting of the ProcessNet subject division “Reaction Engineering”, “Analysis and Modeling of Deposit Formation and Decomposition in Urea-SCR Systems”, Würzburg, 2016, poster  


Annual meeting of the ProcessNet subject division “Drying Technology”, “Influence of pore structure and drying conditions on the impregnation of porous materials”, Weimar, 2016, awarded oral presentation  


Annual meeting of the ProcessNet subject division “Drying Technology”, “Solid formation during drying of a solution from micro models”, Karlsruhe, 2013, oral presentation

Publications

M. Börnhorst, S. Langheck, H. Weickenmeier, C. Dem, R. Suntz, O. Deutschmann, ”Characterization of solid deposits from urea water solution injected into a hot gas test rig”, Chemical Engineering Journal, 2018. DOI 10.1016/j.cej.2018.09.016

M. Börnhorst, O. Deutschmann, "Single droplet impingement of urea water solution on a heated substrate", International Journal of Heat and Fluid Flow, 2017.​ DOI 10.1016/j.ijheatfluidflow.2017.10.007

M. Börnhorst, P. Walzel, A. Rahimi, A. Kharaghani, E. Tsotsas, N. Nestle, A. Besser, F. Kleine Jäger, T. Metzger, ”Influence of Pore Structure and Impregnation-drying Conditions on the Solid Distribution in Porous Support Materials”, Drying Technology, 2015. DOI 10.1080/07373937.2016.1147048.

Invited Talks

Infratec Thermografie-Anwenderkonferenz Forschung und Entwicklung, Spray/Wand-Interaktion im Abgasstrang von Dieselfahrzeugen: Temperatur- und Wärmetransporteffekte, Stuttgart, 2018

M. Börnhorst, P. Walzel, A. Rahimi, A. Kharaghani, E. Tsotsas, N. Nestle, A. Besser, F. Kleine Jäger & T. Metzger, “Influence of Pore Structure and Impregnation-Drying Conditions on the Solid Distribution in Porous Materials”, Thin Film Technology, Institute of Thermal Process Engineering, KIT, Karlsruhe, April, 2016