Dr. Markus Seifert
© Ak Weigand
Scientific Assistant
NameDr. Markus Seifert
Supervision of industrial chemistry and catalyst testing devices
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Research topic
Macroscopic kinetic description and operation of continuous-mode biomass conversion processes
- Kinetic description of catalyzed gas/solid surface reactions in macroscopic operation
- Assessment of catalyst testing reactor devices
- Improvement of MOBIL alcohol conversion processes from zeolite/silicate chemistry and process control for synergistic co-processing
- Solid-state catalyst analytics, especially SEM and EDX analysis as well as gas-phase analytics by GC techniques
Projects
DFG, SE 2450/2-1: “Event-based description of chemical kinetics by probability of states and entropy” Publication 15, Publication 16, Publication 18
Publications
Paper
2025 24. Herstellung von Silizium- und Aluminiumverbindungen aus verbrauchten FCC-Katalysatoren; J. J. Weigand, M. S. Marschall, O. Busse, M. Seifert; DE 102023129228.5; Offenlegungstag: 24.04.2025
23. Herstellung von ZSM-5-Zeolithen aus verbrauchten FCC-Katalysatoren; J. J. Weigand, V. Timoshev, O. Busse, M. Seifert; DE 1023023129226.9; Offenlegungstag: 24.04.2025
22. Zeolite Synthesis Using Recycled Silicon and Aluminum Components from Spent FCC Catalysts; M. Marschall, M. Seifert, M. Hauck, O. Busse, J. J. Weigand; Waste Management, 2025, 202, 114817.
2024 21. Selective conversion of spent cracking catalyst to faujasite-structured zeolites; M. Marschall, M. Seifert, M. Hauck, O. Busse, J. J. Weigand; Materials Today Communications, 2024, 41, 110234. DOI: 10.1016/j.mtcomm.2024.110234
20. Enhancing Hydrothermal Stability of ZSM-5 Cracking Additives with Aluminum Phosphates; V. Timoshev, L. A. Haufe, M. Seifert, O. Busse, Y. Wu, T. Wiegand, J. J. Weigand; Industrial & Engineering Chemistry Research, 2024, DOI: 10.1021/acs.iecr.4c01852. 19. Recycling of Spent FCC Catalysts: Conversion of Leached Residues to Zeolite ZSM-5; V. Timoshev, L. A. Haufe, O. Busse, H. Hamedi, M. Seifert, J. J. Weigand; ChemSusChem, 2024, DOI: 10.1002/cssc.202301642.
2023 18. Highly Selective Alkaline Oxide Promoted Ni/silica for the Production of Cyclohexanol/-one from Lignin-derived Guaiacol; N. Kretzschmar, O. Busse, M. Roslova, M. Hantusch, M. Seifert; ChemCatChem, 2023, 15, e202300764.
17. A copper decorated porphyrin-based porous organic polymer: Evaluation in the oxidation of lignin model compounds; E. D. Maggott, D. A Haynes, M. Hantusch, M. Seifert, J. J. Weigand, S. F. Mapolie; React. Funct. Polym., 2023, 191, 105675.
16. Controlling the reaction network of Ni/silica derived conversion of bio-oil surrogate guaiacol; N. Kretzschmar, O. Busse, M.Seifert; Carbon Resources Conversion, 2023, 7, 100187.
15. Impact of Geometric and Electronic Factors on Selective Hydro-Deoxygenation of Guaiacol by Surface-Rich Metal/Silica Catalysts; N. Kretzschmar, O. Busse, M.Seifert; Catalysts, 2023, 13, 425
2022 14. Crucial role of silica-alumina binder mixtures for hydrocarbon cracking with ZSM-5 additives; L. A. Haufe, V. Timoshev, M. Seifert, O. Busse, J. J. Weigand; ACS Omega, 2022, 7, 44892.
13. Prediction of Retention Indices and Response Factors of Oxygenates for GC-FID by Multilinear Regression; N. Kretzschmar, M. Seifert, O. Busse, J. J. Weigand; Data, 2022, 7, 133.
12. Surface ion-imprinted brewer’s spent grain with low template loading for selective uranyl ions adsorption from simulated wastewater; Y. Su, M. Wenzel, M. Seifert, J. J. Weigand; J. Hazard. Mater., 2022, 440, 129682.
11. One-pot synthesis of brewer’s spent grain-supported superabsorbent polymer for highly efficient uranium adsorption from wastewater; Y. Su, M. Wenzel, S. Paasch, M. Seifert, T. Doert, E. Brunner, J. J. Weigand; Environ. Res., 2022, 113333.
10. Binder selection to modify hydrocarbon cracking properties of zeolite containing composites; A. S. Carrasco, V. Timoshev, M. Hauck, M. Hassan Nejad, T. Dang, X. H. Vu, M. Seifert, O. Busse, J. J. Weigand; ACS Omega, 2022, 19, 16430.
9. Origin of Morphology Change and Effect of Crystallization Time and Si/Al Ratio during Synthesis of Zeolite ZSM-5; C. Jonscher, M. Seifert, N. Kretzschmar, M. S. Marschall, M. Le Anh, T. Doert, O. Busse, J. J. Weigand; ChemCatChem., 2022, 14, e202101248.
2021 8. Recycling of Brewer’s Spent Grain as a Biosorbent by Nitro-Oxidation for Uranyl Ion Removal from Wastewater; Y. Su, M. Wenzel, S. Paasch, M. Seifert, W. Böhm, T. Doert, J. J. Weigand; ACS Omega, 2021, 6, 19364. (Inside Cover)
7. Conversion of Oxygenates on H-ZSM-5 Zeolites – Effects of Feed Structure and Si/Al Ratio on the Product Quality; T. Gille, M. Seifert, M. S. Marschall, S. Bredow, T. Schneider, O. Busse, W. Reschetilowski, J. J. Weigand; Catalysts, 2021, 11, 432. 6. Peptization control of aluminum chloride containing composites for catalysts with active matrix; A. Carrasco, M. Seifert, M. Hauck, A. Brünner, T. Doert, O. Busse, J. J. Weigand; Chem. Eng. Technol., 2021, 44. 1051. 5. Deactivation kinetics of ZSM-5 by coke in ethanol to hydrocarbons process; M. Seifert, C. Jonscher, L. A. Haufe, J. J. Weigand; Chem.-Ing-Tech., 2021, 93, 747.
4. Peptization control of composite materials containing water glass for spray drying catalysts; A. Carrasco, M. Seifert, M. Hannß, T. Henle, M. Lê-Anh, O. Busse, J. J. Weigand; Chem. Eng. Technol., 2021, 44, 732.
2020 3. Ethanol to aromatics on modified H-ZSM-5 Part II: An unexpected low coking; M. Seifert, M. S. Marschall, T. Gille, C. Jonscher, P. Royla, O. Busse, W. Reschetilowski, J. J. Weigand; Chem. Asian J., 2020, 15, 3878. 2. Ethanol to aromatics on modified H-ZSM-5 Part I: Interdependent dealumination actions; M. Seifert; M. S. Marschall; T. Gille; C. Jonscher; O. Busse; S. Paasch; E. Brunner; W. Reschetilowski, J. J. Weigand; ChemCatChem., 2020, 12, 6301.
2016 1. Durability improvements of H-ZSM-5 zeolite for ethanol conversion after treatment with chelating agents; Daniel Däumer, Markus Seifert, Wladimir Reschetilowski; Microporous and Mesoporous Materials, 2016, 219, 66.
Book Chapters
M. Seifert, J.J. Weigand: Catalytic and active framework materials – Homogeneous catalysis. In: Applied Inorganic Chemistry, Edited by Rainer Pöttgen, Thomas Jüstel, Cristian A. Strassert, 2022, De Gruyter
Lectures
2024 10. Design and reliability of two fixed-bed catalyst test rigs for methanol-to-olefins reaction; M. Seifert, L.A. Haufe, J.J. Weigand; GLS-16 "16th International Conference on Gas-Liquid and Gas-Liquid-Solid Reactor Engineering", Dresden, Germany, 2024.
2023 9. About the Art to Prepare Mixed SAPO-CHA/MFI Catalyst Materials for Methanol-to-olefins Reaction;M. Seifert, L.A. Haufe, J.J. Weigand;DGMK-Conference "C1 Building Blocks for Future Chemistry", Dresden, Germany, 2023.
8. Systematic catalyst selection methods for hydrodeoxygenation of lignin hydrolysate guaiacol; M. Seifert, Chemiedozententagung, Dresden, Germany, 2023.
2022 7. Biofuels and Biochemicals; M. Seifert, iSCOPe, Dresden, Germany, 2022.
2019 6. Insights into the Deactivation and Product Formation Behavior of ZSM-5 Zeolite Catalysts in the Conversion of Ethanol to Small Aromatics ; M. Seifert, M. S. Marschall, T. Gille, O. Busse, W. Reschetilowski, J. J. Weigand; DGMK-Conference “Thermochemische Konversion – Schlüsselbaustein für zukünftige Energie- und Rohstoffsysteme, Dresden, Germany, 2019. 5. Investigation of the Influence of Si/Al ratio on the Deactivation of ZSM-5 Zeolites in the Conversion of Ethanol to Hydrocarbons; M. Seifert, C. Jonscher, M. S. Marschall, T. Gille, O. Busse, J. J. Weigand; DGMK-Conference “Circular Economy – A Fresh View on Petrochemistry”; Dresden, 2019.
2018 4. Post-synthetic modification of H-ZSM-5 to improve durability in formation of aromatics in Ethanol-to-Hydrocarbons process; M. Seifert, T. Gille, P. Royla, O. Busse, W. Reschetilowski, J. J. Weigand; 10th International symposium on Nano and Supramolecular Chemistry, Dresden, Germany, 2018.
2017 3. Durability improvement of commercial H-ZSM-5 zeolite during ethanol conversion after combined post-synthesis; M. Seifert, T. Gille, O. Busse, D. Däumer, W. Reschetilowski, J. J. Weigand; 7th International Symposium on Energy; Manchester, 2017.
2016 2. Investigation of the deactivation pathway of H-ZSM-5 catalyst in ETH process after tailored multi-step phosphorus modification; M. Seifert, D. Däumer, C. Bischof, J. J. Weigand, W. Reschetilowski; 28. Deutschen Zeolith-Tagung, Gießen, 2016.
2014 1. Durability improvement of ETH-catalyst H-ZSM-5 by acid treatment; M. Seifert, D. Däumer, W. Reschetilowski; 47. Jahrestreffen Deutscher Katalytiker, Weimar, 2014.
Poster
2023 14. Crucial role of silica-alumina binder mixtures for hydrocarbon cracking with ZSM-5 containing catalysts; L.A. Haufe, V. Timoshev, M. Seifert, O. Busse, J. J. Weigand; 56. Jahrestreffen Deutscher Katalytiker; Weimar, 2023.
13. Combined van-Krevelen and Volcano plot analysis to understand hydrodeoxygenation of guaiacol on metal/silica catalysts; N. Kretzschmar, O. Busse, M. Seifert, J. J. Weigand; 56. Jahrestreffen Deutscher Katalytiker; Weimar, 2023.
2019 12. Insights into the deactivation and product behavior of ZSM-5 zeolite catalysts in the conversion of ethanol to small aromatics; DGMK-Conference "Thermochemische Konversion - Schlüsselbaustein für zukünftige Energie- und Rohstoffsysteme", Dresden, 2019.
2018 11. Catalytic conversion of oxygenates using Al-MCM-41/ZSM-5 composite materials and pure H-ZSM-5 with different Si/Al-ratio – a systematic investigation; T. Gille, M. Seifert, O. Busse, J. J. Weigand; 10th International Symposium on Nano and Supramolecular Chemistry, Dresden, 2018.
10 . Production of ZSM-5 - based industrial catalysts by educts and residues from Vietnam for preferred propene production and stabilization for biogenic co-feeding in FCC-process; O. Busse, M. Seifert, J. J. Weigand; 51. Jahrestreffen Deutscher Katalytiker, Weimar, 2018.
2017 9. Evidence of pore-mouth catalysis in ethanol to hydrocarbons process via postsynthetic experiments; M. Seifert, M. Seidel, D. Däumer, W. Reschetilowski, J. J. Weigand; 50. Jahrestreffen Deutscher Katalytiker, Weimar, Germany, 2017. 8. Concept of site isolation in conversion of ethanol to hydrocarbons - catalyst performance and mechanistic insights; M. Seifert, T. Gille, D. Däumer, W. Reschetilowski, J. J. Weigand; 50. Jahrestreffen Deutscher Katalytiker, Weimar, Germany, 2017.
2016 7. Deactivation Properties of Multistep Phosphorus Modified ZSM-5 in Ethanol to Hydrocarbons Process - Structure-property Relations and their Limits; M. Seifert, D. Daeumer, C. Bischof, T. Junietz, J. J. Weigand, W. Reschetilowski; 24th DGMK Conference, Berlin, Germany, 2016.
6. Tuning of deactivation behaviour of zeolite ZSM-5 in the ETH process by post-synthetic interior design; M. Seifert, D. Däumer, T. Junietz, J. J. Weigand, W. Reschetilowski; 49. Jahrestreffen Deutscher Katalytiker, Weimar, 2016.
2015 5. Triplication of catalyst durability in the ETH process by surface property shaping with steam and acid treatment; M. Seifert, D. Däumer, W. Reschetilowski; 48. Jahrestreffen Deutscher Katalytiker, Weimar, 2015.
4. Application of simple models to understand properties and catalytic performance of ETH catalyst H-ZSM-5; D. Däumer, M. Seifert, W. Reschetilowski; 27. Deutsche Zeolith-Tagung, Oldenburg, 2015.
2014 3. Durability improvement of ETH-catalyst H-ZSM-5 by combining experimental and computational methods; D. Däumer, M. Seifert, W. Reschetilowski; 6th International FEZA Conference, Leipzig, 2014.
2013 2. Durability Improvement of H-ZSM-5 Zeolite during the Conversion of Ethanol into Hydrocarbons by Removal of Extra-lattice Species; D. Däumer, M. Seifert, W. Reschetilowski; 46. Jahrestreffen Deutscher Katalytiker, Weimar, 2013.
2012 1. Untersuchungen zur Standzeitverbesserung von ZSM-5-Katalysatoren im ETH-Prozess mittels Imprägnierung mit Phosphorsäure und Wasserdampfbehandlung; D. Däumer, M. Seifert, W. Reschetilowski; 45. Jahrestreffen Deutscher Katalytiker, Weimar, 2012.