Dr. Patrick Lott

Engesserstr. 18
76131 Karlsruhe

Research

Technologies for reduction of local and global pollutants
Sustainable hydrogen production and carbon capture technologies
Carbon-free energy carriers and decarbonization
Dynamics of chemical reactors, processes, and heterogeneous catalysts
Preparation, characterization, and kinetic testing of heterogeneous catalysts
In-situ investigation of chemical reactors with spatial and temporal resolution

Education

October 2016 –

December 2019

Dr. rer. nat.

Karlsruhe Institute of Technology (KIT)

PhD Thesis: Exhaust Gas After-Treatment of Lean-Operated Natural Gas Engines over Palladium-based Methane Oxidation Catalysts

October 2014 –

September 2016

M.Sc. Chemistry

Karlsruhe Institute of Technology (KIT)

Master's Thesis: Oxidation von Methan an Edelmetallkatalysatoren zur Abgasnachbehandlung

October 2011 –

September 2014

B.Sc. Chemistry

Karlsruhe Institute of Technology (KIT)

Bachelor's Thesis: Gasphasen-Photodissoziationsspektroskopie an Metallporphyrinen

Work History

Since

August 2024

Deputy of the Chair "Chemical Technology"

Karlsruhe Institute of Technology (KIT)

Institute for Chemical Technology and Polymer Chemistry (ITCP)

Since

January 2020

Senior Scientist

Head of "Catalytic Reactors" group

Karlsruhe Institute of Technology (KIT)

Institute for Chemical Technology and Polymer Chemistry (ITCP)

July 2019 –

September 2019

Visiting Researcher

University of Houston (UH)

Department of Chemical & Biomolecular Engineering

October 2016 –

December 2019

Junior Scientist

Karlsruhe Institute of Technology (KIT)

Institute for Chemical Technology and Polymer Chemistry (ITCP)

Honors

December 2023

FCTKA Award 2023

Freunde der Chemischen Technik Karlsruhe e.V.

December 2020

Excellence Award

VAA Foundation

press release

July 2019 –

September 2019

Research Travel Grant

Karlsruhe House of Young Scientists (KHYS)

March 2017 –

February 2019

Doktorandenstipendium

Fonds der Chemischen Industrie (FCI)

Publications: Journal articles

2025

[56]	Climate-friendly hydrogen and carbon production by methane and biogas pyrolysis: Spatial resolution of reactor performance A. Celik, A.B. Shirsath, M. Mokashi, J. Tatzig, H. Müller, O. Deutschmann, P. Lott, Chem. Eng. J., 2025, 163167. https://doi.org/10.1016/j.cej.2025.163167
[55]	Microkinetic Modeling of Support Effects in PdO-Based Methane Oxidation Catalysts R. Chacko, K. Keller, A. B. Shirsath, S. Angeli, P. Lott, O. Deutschmann, ACS Catal., 2025, accepted. https://doi.org/10.1021/acscatal.5c00516
[54]	Periodic Operation of Three-Way Catalysts: From Synthetic Gas Bench Testing to Real-World Engine Performance D. Hodonj, K. Umemoto, M. Terasawa, Z. Yu, U. Wagner, T. Mori, H. Nishioka, T. Mishima, O. Deutschmann, T. Koch, J. Kusaka, P. Lott, Ind. Eng. Chem. Res., 2025, accepted. https://doi.org/10.1021/acs.iecr.5c00132
[53]	Roadmap to Catalytic Abatement of Gas Phase Per- and Polyfluoroalkyl Substances (PFAS) P. Lott, F. Maurer, A. Beck, Angew. Chem., 2025, e202424718. https://doi.org/10.1002/ange.202424718

2024

[52]	A techno-economic assessment of pyrolysis processes for carbon capture, hydrogen and syngas production from variable methane sources: Comparison with steam reforming, water electrolysis, and coal gasification A. Celik, I. Ben Othman, Y. Neudeck, O. Deutschmann, P. Lott, Energy Convers. Manage., 326, 2025, 119414. https://doi.org/10.1016/j.enconman.2024.119414
[51]	Spatially Resolved Measurements in a Stagnation-Flow Reactor: Kinetics of Catalytic NH₃ Decomposition S. Davari, C. Cárdenas, M. Hettel, P. Lott, S. Tischer, S. Angeli, O. Deutschmann, Chem. Ing. Tech., 96, 2024, 1735-1750. https://doi.org/10.1002/cite.202400100
[50]	Influence of Dopants on Pt/Al₂O₃-Based Monolithic Catalysts for Autothermal Oxidative Coupling of Methane S. Schardt, S. Bastian, A. Celik, J. Chawla, P. Lott, Catalysts, 14, 2024, 785. https://doi.org/10.3390/catal14110785
[49]	CO₂‐free production of hydrogen via pyrolysis of natural gas: influence of non‐methane hydrocarbons on product composition, methane conversion, hydrogen yield, and carbon capture A. Celik, I. Ben Othman, H. Müller, O. Deutschmann, P. Lott, Discov. Chem. Eng., 4, 2024, 29. https://doi.org/10.1007/s43938-024-00067-4
[48]	Investigating the formation of soot in CH₄ pyrolysis reactor: a numerical, experimental, and characterization study A. B. Shirsath, M. Mokashi, R. Pashminehazar, A. Celik, P. Lott, S. Tischer, J.-D. Grunwaldt, O. Deutschmann, Carbon, 231, 2025, 119689. https://doi.org/10.1016/j.carbon.2024.119689
[47]	Temperature-dependent frequency control of TWC operation for efficient CH₄ and NO_x abatement of stoichiometric natural gas engines D. Hodonj, B. Thiele, O. Deutschmann, P. Lott, Chem. Eng. J., 499, 2024, 155852. https://doi.org/10.1016/j.cej.2024.155852
[46]	Kinetics of thermal dry reforming of methane for syngas production and solid carbon capture M. Mokashi, A. B. Shirsath, S. Demir, A. Celik, P. Lott, S. Tischer, O. Deutschmann, React. Chem. Eng., 9, 2024, 2902-2914. https://doi.org/10.1039/D4RE00312H
[45]	On the role of hydrogen inhibition in gas-phase methane pyrolysis for carbon capture and hydrogen production in a tubular flow reactor A. Celik, A. B. Shirsath, F. Syla, H. Müller, P. Lott, O. Deutschmann, J. Anal. Appl. Pyrolysis, 181, 2024, 106628. https://doi.org/10.1016/j.jaap.2024.106628
[44]	Elucidating the Role of the State of Pd in the H₂-SCR of NOx by Operando XANES and DRIFTS T. J. Eldridge, M. Borchers, P. Lott, J.-D. Grunwaldt, D. E. Doronkin, Catal. Sci. Technol., 14, 2024, 4198-4210. https://doi.org/10.1039/D4CY00574K
[43]	Spatiotemporal insights into forced dynamic reactor operation for fast light-off of Pd-based methane oxidation catalysts K. Keller, D. Hodonj, L. Zeh, L. Caulfield, E. Sauter, C. Wöll, O. Deutschmann, P. Lott, Catal. Sci. Technol., 14, 2024, 4142-4153. https://doi.org/10.1039/D4CY00625A
[42]	A laboratory scale fast feedback characterization loop for optimizing coated catalysts for emission control T. Delrieux, S. Sharma, F. Maurer, P. Dolcet, M. Lausch, A. Zimina, C. Cárdenas, P. Lott, M. Casapu, T.L. Sheppard, J.-D. Grunwaldt, React. Chem. Eng., 9, 2024, 2868-2881. https://doi.org/10.1039/D4RE00168K
[41]	Innovative engine test bench set-up for testing of exhaust gas aftertreatment and detailed gas species analysis for CNG-SI-operation S. Tomin, K. Keller, U. Wagner, P. Lott, T. Koch, O. Deutschmann, Automot. Engine Technol., 9, 2024, 2. https://doi.org/10.1007/s41104-024-00140-8
[40]	Autothermal oxidative coupling of methane over Pt/Al₂O₃ catalysts doped with rare earth oxides S. Schardt, F. Ehrlich, P. Lott, Chem. Ing. Tech., 96, 2024, 840-849. https://doi.org/10.1002/cite.202300165
[39]	Reducing Emissions from Lean-Burn Hydrogen Combustion Engines Using a State-of-the-Art Oxidation Catalyst and a VWTi-Based SCR Catalyst: Potentials and Challenges P. Lott, K. Schäfer, O. Deutschmann, M. Werner, P. Weinmann, L. Zimmermann, H. Többen, SAE Technical Paper 2024-01-2634, 2024. https://doi.org/10.4271/2024-01-2634
[38]	Methane pyrolysis in packed bed reactors: Kinetic modeling, numerical simulations, and experimental insights M. Mokashi, A. B. Shirsath, A. Celik, P. Lott, H. Müller, S. Tischer, L. Maier, J. Bode, D. Schlereth, F. Scheiff, D. Flick, M. Bender, K. Ehrhardt, O. Deutschmann, Chem. Eng. J., 485, 2024, 149684. https://doi.org/10.1016/j.cej.2024.149684
[37]	Unlocking the Mysteries of Technical Catalyst Deactivation: A View from Space S. Sharma, F. Maurer, P. Lott, T. L. Sheppard, ChemCatChem, 16, 2024, e202301655. https://doi.org/10.1002/cctc.202301655
[36]	Detailed kinetic modeling of catalytic oxidative coupling of methane J. Chawla, S. Schardt, P. Lott, S. Angeli, S. Tischer, L. Maier, O. Deutschmann, Chem. Eng. J., 482, 2024, 148719. https://doi.org/10.1016/j.cej.2024.148719

2023

[35]	Impact of operation parameters and lambda input signal during lambda-dithering of three-way catalysts for low-temperature performance enhancement D. Hodonj, M. Borchers, L. Zeh, G. T. Hoang, S. Tischer, P. Lott, O. Deutschmann, Appl. Catal. B, 345, 2024, 123657. https://doi.org/10.1016/j.apcatb.2023.123657
[34]	Understanding of gas-phase methane pyrolysis towards hydrogen and solid carbon with detailed kinetic simulations and experiments M. Mokashi, A. B. Shirsath, P. Lott, H. Müller, S. Tischer, L. Maier, O. Deutschmann, Chem. Eng. J., 479, 2024, 147556. https://doi.org/10.1016/j.cej.2023.147556
[33]	Experimental investigation of NO reduction by H₂ on Pd using planar laser-induced fluorescence S. Wan, T. Häber, P. Lott, R. Suntz, O. Deutschmann, Appl. Energy Combust. Sci., 16, 2023, 100229. https://doi.org/10.1016/j.jaecs.2023.100229
[32]	Pyrolysis of biogas for carbon capture and carbon dioxide-free production of hydrogen A. Celik, I. Ben Othman, H. Müller, P. Lott, O. Deutschmann, React. Chem. Eng., 9, 2024, 108-118. https://doi.org/10.1039/D3RE00360D
[31]	A review on exhaust gas after-treatment of lean-burn natural gas engines – From fundamentals to application P. Lott, M. Casapu, J.-D. Grunwaldt, O. Deutschmann, Appl. Catal. B, 340, 2024, 123241. https://doi.org/10.1016/j.apcatb.2023.123241
[30]	Automated Generation of Microkinetics for Heterogeneously Catalyzed Reactions Considering Correlated Uncertainties B. Kreitz, P. Lott, A. J. Medford, F. Studt, O. Deutschmann, C. F. Goldsmith, Angew. Chem., Int. Ed., 62, 2023, e202306514. https://doi.org/10.1002/anie.202306514
[29]	Formation of N₂O in the Exhaust Line of Combustion Engines H. Többen, P. Weinmann, T. Wolf, P. Lott, S. Bastian, O. Deutschmann, SAE Technical Paper 2023-01-05045, 2023. https://doi.org/10.4271/2023-01-5045
[28]	Methane oxidation over PdO: Towards a better understanding of the influence of the support material K. Keller, P. Lott, S. Tischer, M. Casapu, J.-D. Grunwaldt, O. Deutschmann, ChemCatChem, 15, 2023, e202300366. https://doi.org/10.1002/cctc.202300366
[27]	Automating the Optimization of Catalytic Reaction Mechanism Parameters Using Basin-Hopping: A Proof of Concept R. Chacko, K. Keller, S. Tischer, A. B. Shirsath, P. Lott, S. Angeli, O. Deutschmann, J. Phys. Chem. C, 127, 2023, 7628-7639. https://doi.org/10.1021/acs.jpcc.2c08179
[26]	Soot Formation in Methane Pyrolysis Reactor: Modeling Soot Growth and Particle Characterization A. B. Shirsath, M. Mokashi, P. Lott, H. Müller, R. Pashminehazar, T. Sheppard, S. Tischer, L. Maier, J.-D. Grunwaldt, O. Deutschmann, J. Phys. Chem. A, 127, 2023, 2136-2147. https://doi.org/10.1021/acs.jpca.2c06878
[25]	Formation of nitrous oxide over Pt-Pd oxidation catalysts: Secondary emissions by interaction of hydrocarbons and nitric oxide P. Lott, S. Bastian, H. Többen, L. Zimmermann, O. Deutschmann, Appl. Catal. A, 651, 2023, 119028. https://doi.org/10.1016/j.apcata.2023.119028

2022

[24]	MOx@VOx-Pd-type Nanorods and Nanotubes as Catalysts for Selective Reduction of NO L. Warmuth, P. Lott, O. Deutschmann, C. Feldmann, ChemCatChem, 15, 2022, e202201254. https://doi.org/10.1002/cctc.202201354
[23]	Selective Catalytic Reduction with Hydrogen for Exhaust gas after-treatment of Hydrogen Combustion Engines M. Borchers, P. Lott, O. Deutschmann, Top. Catal., 66, 2023, 973-984. https://doi.org/10.1007/s11244-022-01723-1
[22]	Hydrogen Production and Carbon Capture by Gas Phase Methane Pyrolysis: A Feasibility Study P. Lott, M. B. Mokashi, H. Müller, D. J. Heitlinger, S. Lichtenberg, A. B. Shirsath, C. Janzer, S. Tischer, L. Maier, O. Deutschmann, ChemSusChem, 16, 2023, e202201720. https://doi.org/10.1002/cssc.202201720
[21]	Detailed Microkinetics for the Oxidation of Exhaust Gas Emissions through Automated Mechanism Generation B. Kreitz, P. Lott, J. Bae, K. Blöndal, S. Angeli, Z. W. Ulissi, F. Studt, C. F. Goldsmith, O. Deutschmann, ACS Catal., 12, 2022, 11137-11151. https://doi.org/10.1021/acscatal.2c03378
[20]	Treating NOx emission of hydrogen fueled combustion engines by NOx storage and reduction catalysts: A transient kinetic study including PLIF measurements K. Keller, S. Wan, M. Borchers, P. Lott, R. Suntz, O. Deutschmann, Proc. Combust. Inst., 39, 2023, 4247-4256. https://doi.org/10.1016/j.proci.2022.07.027
[19]	Heterogeneous chemical reactions—A cornerstone in emission reduction of local pollutants and greenhouse gases P. Lott, O. Deutschmann, Proc. Combust. Inst., 39, 2023, 3183-3215. https://doi.org/10.1016/j.proci.2022.06.001
[18]	Experimental and Numerical Investigation of NO Oxidation on Pt/Al₂O₃- and NOx Storage on Pt/BaO/Al₂O₃-Catalysts S. Wan, K. Keller, P. Lott, A. B. Shirsath, S. Tischer, T. Häber, R. Suntz, O. Deutschmann, Catal. Sci. Technol., 12, 2022, 4456-4470. https://doi.org/10.1039/D2CY00572G
[17]	Spatially Resolved Measurements of HNCO Hydrolysis over SCR Catalysts M. Eck, P. Lott, D. Schweigert, M. Börnhorst, O. Deutschmann, Chem. Ing. Tech., 94, 5, 2022, 738-746. https://doi.org/10.1002/cite.202100192
[16]	Oxidative Coupling of Methane over Pt/Al₂O₃ at High Temperature: Multiscale Modeling of the Catalytic Monolith J. Chawla, S. Schardt, S. Angeli, P. Lott, S. Tischer, L. Maier, O. Deutschmann, Catalysts, 12, 2022, 189. https://doi.org/10.3390/catal12020189
[15]	Der Wasserstoffmotor – Chancen und Herausforderungen auf dem Weg zu einer dekarbonisierten Mobilität P. Lott, U. Wagner, T. Koch, O. Deutschmann, Chem. Ing. Tech., 94, 3, 2022, 1-14. https://doi.org/10.1002/cite.202100155

2021

[14]

Spatiotemporal Investigation of the Temperature and Structure of a Pt/CeO₂ Oxidation Catalyst for CO and Hydrocarbon Oxidation during Pulse Activation

F. Maurer, A. Gänzler, P. Lott, B. Betz, M. Votsmeier, S. Loridant, P. Vernoux, V. Murzin, B. Bornmann, R. Frahm, O. Deutschmann, M. Casapu, J.-D. Grunwaldt, Ind. Eng. Chem. Res., 60, 18, 2021, 6662-6675.

https://dx.doi.org/10.1021/acs.iecr.0c05798

[13]

Effects of Hydrothermal Aging on CO and NO Oxidation Activity Over Monometallic and Bimetallic Pt-Pd Catalysts

J. Schütz, H. Störmer, P. Lott, O. Deutschmann, Catalysts, 11, 2021, 300.

https://doi.org/10.3390/catal11030300

[12]

Selective Catalytic Reduction of NO_x with H₂ for Cleaning Exhausts of Hydrogen Engines: Impact of H₂O, O₂, and NO/H₂-ratio

M. Borchers, K. Keller, P. Lott, O. Deutschmann, Ind. Eng. Chem. Res., 60, 18, 2021, 6623-6636.

https://doi.org/10.1021/acs.iecr.0c05630

2020

[11]	Lean-Burn Natural Gas Engines: Challenges and Concepts for an Efficient Exhaust Gas Aftertreatment System P. Lott, O. Deutschmann, Emiss. Control Sci. Technol., 7, 2021, 1-6. https://doi.org/10.1007/s40825-020-00176-w
[10]	Microkinetic modeling of the oxidation of methane over PdO catalysts – Towards a better understanding of the water inhibition effect K. Keller, P. Lott, H. Stotz, L. Maier, O. Deutschmann, Catalysts, 10, 2020, 922. https://doi.org/10.3390/catal10080922
[9]	Understanding sulfur poisoning of bimetallic Pd-Pt methane oxidation catalysts and their regeneration P. Lott, M. Eck, D. E. Doronkin, A. Zimina, S. Tischer R. Popescu, S. Belin, V. Briois, M. Casapu, J.-D. Grunwaldt, O. Deutschmann, Appl. Catal. B, 278, 2020, 119244. https://doi.org/10.1016/j.apcatb.2020.119244
[8]	In situ activation of bimetallic Pd-Pt methane oxidation catalysts K. A. Karinshak, P. Lott, M. P. Harold, O. Deutschmann, ChemCatChem, 12, 2020, 3712-3720. https://doi.org/10.1002/cctc.202000603

2019

[7]

Unravelling the Different Reaction Pathways for Low Temperature CO Oxidation on Pt/CeO₂ and Pt/Al₂O₃ by Spatially Resolved Structure–Activity Correlations

A. M. Gänzler, M. Casapu, D. E. Doronkin, F. Maurer, P. Lott, P. Glatzel, M. Votsmeier, O. Deutschmann, J.-D. Grunwaldt, J. Phys. Chem. Lett., 10 (24), 2019, 7698-7705.

https://doi.org/10.1021/acs.jpclett.9b02768

[6]

The Effect of Prereduction on the Performance of Pd/Al₂O₃ and Pd/CeO₂ Catalysts during Methane Oxidation

P. Lott, P. Dolcet, M. Casapu, J.-D. Grunwaldt, O. Deutschmann, Ind. Eng. Chem. Res., 58, 2019, 12561-12570.

https://doi.org/10.1021/acs.iecr.9b01267

2018

[5]	Formaldehyde Oxidation Over Platinum: On the Kinetics Relevant to Exhaust Conditions of Lean-Burn Natural Gas Engines B. Torkashvand, L. Maier, P. Lott, T. Schedlbauer, J.-D. Grunwaldt, O. Deutschmann, Top. Catal., 62, 2019, 206-213. https://doi.org/10.1007/s11244-018-1087-y
[4]	Impact of the Support on the Catalytic Performance, Inhibition Effects and SO₂ Poisoning Resistance of Pt-Based Formaldehyde Oxidation Catalysts T. Schedlbauer, P. Lott, M. Casapu, H. Störmer, O. Deutschmann, J.-D. Grunwaldt, Top. Catal., 62, 2019, 198-205. https://doi.org/10.1007/s11244-018-1122-z
[3]	Regeneration of Sulfur Poisoned Pd-Pt/CeO₂-ZrO₂-Y₂O₃-La₂O₃ and Pd-Pt/Al₂O₃ Methane Oxidation Catalysts P. Lott, M. Eck, D. E. Doronkin, R. Popescu, M. Casapu, J.-D. Grunwaldt, O. Deutschmann, Top. Catal., 62, 2019, 62, 164-171. https://doi.org/10.1007/s11244-018-1121-0
[2]	Homogeneous Oxidation of Light Alkanes in the Exhaust of Turbocharged Lean-Burn Gas Engines B. Torkashvand, P. Lott, D. Zengel, L. Maier, M. Hettel, J.-D. Grunwaldt, O. Deutschmann, Chem. Eng. J., 377, 2019, 119800. https://doi.org/10.1016/j.cej.2018.08.186

2017

[1]	Sulfur poisoning and regeneration of bimetallic Pd-Pt methane oxidation catalysts A. Gremminger, P. Lott, M. Merts, M. Casapu, J.-D. Grunwaldt, O. Deutschmann, Appl. Catal. B, 218, 2017, 833-843. https://doi.org/10.1016/j.apcatb.2017.06.048