Publications of Ronny Tobias Zimmermann

Zimmermann, R. T. & Sundmacher, K. (2025)Kern‐Schale‐Katalysatorpellets: Das Gelbe vom Ei für den lastflexiblen Festbett‐Reaktorbetrieb?Chemie Ingenieur Technik, 97, 411–420doi: 10.1002/cite.202400141.

Geschke, A., Zimmermann, R. T., Bremer, J., & Sundmacher, K. (2024)Core‐Shell Catalyst Pellets for CO2Methanation in a Pilot‐Scale Fixed‐Bed ReactorChemie Ingenieur Technik, 96, 1718–1725doi: 10.1002/cite.202400098.

Zimmermann, R. T. & Sundmacher, K. (2024)Core–Shell Catalyst Pellets for Reaction Heat Release Control in Fixed-Bed ReactorsIndustrial & Engineering Chemistry Research, 63 (17), 7556–7564doi: 10.1021/acs.iecr.3c04587.

Zimmermann, R. T., Weber, S., Bremer, J., Idakiev, V., Pashminehazar, R., Sheppard, T. L., Mörl, L., & Sundmacher, K. (2023)Core–shell catalyst pellets for effective reaction heat managementChemical Engineering Journal, 457, 140921doi: 10.1016/j.cej.2022.140921.

Abel, K. L., Beger, T., Poppitz, D., Zimmermann, R. T., Kuschel, O., Sundmacher, K., & Gläser, R. (2022)Monolithic Al2O3 Xerogels with Hierarchical Meso‐/Macropore System as Catalyst Supports for Methanation of CO₂ChemCatChem, 14 (15), e202200288doi: 10.1002/cctc.202200288.

Weber, S., Zimmermann, R. T., Bremer, J., Abel, K. L., Poppitz, D., Prinz, N., Ilsemann, J., Wendholt, S., Yang, Q., Pashminehazar, R., Monaco, F., Cloetens, P., Huang, X., Kübel, C., Kondratenko, E., Bauer, M., Bäumer, M., Zobel, M., Gläser, R., Sundmacher, K., & Sheppard, T. L. (2022)Digitization in Catalysis Research: Towards a Holistic Description of a Ni/Al2O3 Reference Catalyst for CO2 MethanationChemCatChem, 14 (8), e202101878doi: 10.1002/cctc.202101878.

Wehinger, G. D., Ambrosetti, M., Cheula, R., Ding, Z.-B., Isoz, M., Kreitz, B., Kuhlmann, K., Kutscherauer, M., Niyogi, K., Poissonnier, J., Réocreux, R., Rudolf, D., Wagner, J., Zimmermann, R., Bracconi, M., Freund, H., Krewer, U., & Maestri, M. (2022)Quo vadis multiscale modeling in reaction engineering? – A perspectiveChemical Engineering Research and Design, 184, 39–58doi: 10.1016/j.cherd.2022.05.030.

Zimmermann, R. T., Bremer, J., & Sundmacher, K. (2022)Load-flexible fixed-bed reactors by multi-period design optimizationChemical Engineering Journal, 428, 130771doi: 10.1016/j.cej.2021.130771.

Weber, S., Abel, K. L., Zimmermann, R. T., Huang, X., Bremer, J., Rihko-Struckmann, L., Batey, D., Cipiccia, S., Titus, J., Poppitz, D., Kübel, C., Sundmacher, K., Gläser, R., & Sheppard, T. L. (2020)Porosity and Structure of Hierarchically Porous Ni/Al2O3 Catalysts for CO2 MethanationCatalysts, 10 (12), 1471doi: 10.3390/catal10121471.

Zimmermann, R. T., Bremer, J., & Sundmacher, K. (2020)Optimal catalyst particle design for flexible fixed-bed CO₂ methanation reactorsChemical Engineering Journal, 387, 123704doi: 10.1016/j.cej.2019.123704.

Zimmermann, R. T., Bremer, J., & Sundmacher, K. (2022)Optimal Catalyst-Reactor Design for Load-Flexible CO2 Methanation by Multi-Period Design OptimizationIn: 14th International Symposium on Process Systems Engineering: 841–846doi: 10.1016/B978-0-323-85159-6.50140-8.

Zimmermann, R. T., Bremer, J., & Sundmacher, K. (2021)Multi-Period Design Optimization of Flexible Fixed-Bed Reactors by Stoichiometry-Based Model ReductionIn: 31st European Symposium on Computer Aided Process Engineering, 947–952doi: 10.1016/B978-0-323-88506-5.50146-7.

Zimmermann, R. T. & Sundmacher, K.Core-Shell Catalyst Pellets: Theoretical Background, Preparation, and Experimental ValidationPresented at: 58. Jahrestreffen Deutscher KatalytikerWeimar, Germany, March 12, 2025.

Zimmermann, R. T., Geschke, A., Peterson, L., Bremer, J., & Sundmacher, K.A Smart Catalytic Fixed-Bed Reactor for CO2 MethanationPresented at: Achema 2024 Frankfurt, Germany, June 10, 2024.

Bremer, J., Zimmermann, R. T., & Sundmacher, K.New Insights on Fixed-Bed Reactor Dynamics Via Real-Time Distributed Temperature SensingPresented at: 2022 AIChE Annual MeetingPhoenix, USA, November 13, 2022.

Zimmermann, R. T., Bremer, J., & Sundmacher, K.Optimal Catalyst-Reactor Design for Load-Flexible CO2 Methanation by Multi-Period Design OptimizationPresented at: 14th International Symposium on Process Systems Engineering (PSE2021+)Kyoto, Japan, June 19, 2022.

Zimmermann, R. T., Bremer, J., & Sundmacher, K.Prototyping 'Egg-Yolk' and 'Egg-White' Catalyst Pellets for Exothermic ReactionsPresented at: 2022 AIChE Annual MeetingPhoenix, USA, November 13, 2022.

Zimmermann, R. T., Weber, S., Bremer, J., Idakiev, V., Sheppard, T., Mörl, L., & Sundmacher, K.Prototyping Core-Shell Catalyst Particles for Exothermic ReactionsPresented at: Annual Meeting on Reaction Engineering 2022Würzburg, Germany, July 18, 2022.

Abel, K. L., Zimmermann, R. T., Titus, J., Sundmacher, K., & Gläser, R.Influence of Preparation Method on Structure, Reducibility and Activity of Ni-based CO2 Methanation CatalystsPresented at: 18th International Conference on Carbon Dioxide Utilization (ICCDU 2021)Virtual, July 18, 2021.