Publikationen


2023
Zeitschriftenaufsätze
Baehr, C.; Acar, R.; Hamrita, C.; Raffelt, K.; Dahmen, N. (2023). CO Solubility in Fast Pyrolysis Bio-oil. Industrial & Engineering Chemistry Research, 62 (38), 15378–15385. doi:10.1021/acs.iecr.3c02070
Campos Fraga, M. M.; Vogt, J.; Lacerda de Oliveira Campos, B.; Schmitt, C. C.; Raffelt, K.; Dahmen, N. (2023). Investigation of NbO and Its Polymorphs as Catalyst Supports for Pyrolysis Oil Upgrading through Hydrodeoxygenation. Energy & Fuels, 37 (14), 10474–10492. doi:10.1021/acs.energyfuels.3c01152
Proceedingsbeiträge
Alves, V. R. S.; Meyer, D. C.; Moreira, R.; Sousa, A. P. S.; Ushima, A. H.; Raffelt, K. (2023). Thermochemical Biomass Conversion Process in a Small-Scale Fluidized Bed Reactor: Fast Pyrolysis of Eucalyptus Wood and Gasification of Sugarcane Straw. European Biomass Conference and Exhibition Proceedings, 527 – 529, ETA-Florence Renewable Energies.
Telis, N. C.; Schmitt, C. C.; Raffelt, K.; Dahmen, N. (2023). Performance Evaluation of a Niobium-Based Pellet Catalyst: Hydrodeoxygenation of Bio-Oil in a Trickle Bed Reactor. European Biomass Conference and Exhibition Proceedings, 1007 – 1011, ETA-Florence Renewable Energies.
2022
Zeitschriftenaufsätze
Baehr, C.; Smith, G. J.; Sleeman, D.; Zevaco, T. A.; Raffelt, K.; Dahmen, N. (2022). Aldehydes and ketones in pyrolysis oil: analytical determination and their role in the aging process. RSC Advances, 12 (12), 7374–7382. doi:10.1039/D1RA08899H
Campos Fraga, M. M.; Lacerda de Oliveira Campos, B.; Hendrawidjaja, H.; Carriel Schmitt, C.; Raffelt, K.; Dahmen, N. (2022). Fast Pyrolysis Oil Upgrading via HDO with Fe-Promoted Nb₂O₅-Supported Pd-Based Catalysts. Energies, 15 (13), Art.-Nr.: 4762. doi:10.3390/en15134762
Fan, Y.; Hoffmann, A.; Hornung, U.; Raffelt, K.; Zevaco, T. A.; Dahmen, N. (2022). Hydrothermal, catalyst-free production of a cyclic dipeptide from lysine. Journal of Analytical and Applied Pyrolysis, 168, Art.-Nr.: 105792. doi:10.1016/j.jaap.2022.105792
Prestigiacomo, C.; Zimmermann, J.; Hornung, U.; Raffelt, K.; Dahmen, N.; Scialdone, O.; Galia, A. (2022). Effect of transition metals and homogeneous hydrogen producers in the hydrothermal liquefaction of sewage sludge. Fuel Processing Technology, 237, Art.-Nr.: 107452. doi:10.1016/j.fuproc.2022.107452
Santos, T. M.; Silva, W. R. da; Carregosa, J. de C.; Schmitt, C. C.; Moreira, R.; Raffelt, K.; Dahmen, N.; Wisniewski, A., Jr. (2022). Thermal Conversion of Sugarcane Bagasse Coupled with Vapor Phase Hydrotreatment over Nickel-Based Catalysts: A Comprehensive Characterization of Upgraded Products. Catalysts, 12 (4), 355. doi:10.3390/catal12040355
Zimmermann, J.; Chiaberge, S.; Iversen, S. B.; Raffelt, K.; Dahmen, N. (2022). Sequential Extraction and Characterization of Nitrogen Compounds after Hydrothermal Liquefaction of Sewage Sludge. Energy & Fuels, 36 (23), 14292–14303. doi:10.1021/acs.energyfuels.2c02622
Proceedingsbeiträge
Schmitt, C. C.; Nguyen, K.; Schmitt, N.; Moreira, R.; Raffelt, K.; Hornung, U.; Dahmen, N. (2022). Platform chemicals from hydrothermal liquefaction of sugarcane bagasse and sugarcane straw. European Biomass Conference and Exhibition Proceedings, 30th European Biomass Conference and Exhibition, EUBCE 2022, Virtual, Online, 9th May 2022 - 12th May 2022, 951–953, ETA-Florence Renewable Energies.
2021
Zeitschriftenaufsätze
Konnerth, P.; Jung, D.; Straten, J. W.; Raffelt, K.; Kruse, A. (2021). Metal oxide-doped activated carbons from bakery waste and coffee grounds for application in supercapacitors. Materials science for energy technologies, 4, 69–80. doi:10.1016/j.mset.2020.12.008
Schmitt, C. C.; Fonseca, F. G.; Fraga, M. M. C.; Wisniewski, J., Alberto; Karp, S.; José, Á. H. M.; Rodrigues, R. C. L. B. L.; Moreira, R.; Hirayama, D. E.; Raffelt, K.; Dahmen, N. (2021). Thermochemical and catalytic conversion technologies for the development of Brazilian biomass utilization. Catalysts, 11 (12), 1549. doi:10.3390/catal11121549
Zimmermann, J.; Raffelt, K.; Dahmen, N. (2021). Sequential hydrothermal processing of sewage sludge to produce low nitrogen biocrude. Processes, 9 (3), Art.-Nr.: 491. doi:10.3390/pr9030491
Proceedingsbeiträge
Göller, A.; Jungstand, B.; Dahmen, N.; Raffelt, K. (2021). Microwave spectroscopy for pyrolytic bio-slurries. 13th International Conference on Electromagnetic Wave Interaction with Water and Moist Substances (ISEMA), 1–6, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/ISEMA49699.2021.9508275
Schmitt, C. C.; Moreira, R.; Raffelt, K.; Hoj, M.; Jensen, A. D.; Grunwaldt, J.-D.; Dahmen, N. (2021). Evaluation of nickel-based catalysts for hydrotreatment of bio-oil model compound mixtures in a continuous flow reactor: Selectivity and resistance to sulfur poisoning. European Biomass Conference and Exhibition Proceedings, 29th European Biomass Conference and Exhibition, EUBCE 2021, Virtual, Online, 26 April 2021 - 29 April 2021, 934–941, ETA-Florence Renewable Energies.
2020
Zeitschriftenaufsätze
Fan, Y.; Hornung, U.; Raffelt, K.; Dahmen, N. (2020). The influence of lipids on the fate of nitrogen during hydrothermal liquefaction of protein-containing biomass. Journal of analytical and applied pyrolysis, 147, Art. Nr.: 104798. doi:10.1016/j.jaap.2020.104798
Schmitt, C. C.; Moreira, R.; Neves, R. C.; Richter, D.; Funke, A.; Raffelt, K.; Grunwaldt, J.-D.; Dahmen, N. (2020). From agriculture residue to upgraded product: The thermochemical conversion of sugarcane bagasse for fuel and chemical products. Fuel processing technology, 197, Article: 106199. doi:10.1016/j.fuproc.2019.106199
2019
Zeitschriftenaufsätze
Carriel Schmitt, C.; Zimina, A.; Fam, Y.; Raffelt, K.; Grunwaldt, J.-D.; Dahmen, N. (2019). Evaluation of High-Loaded Ni-Based Catalysts for Upgrading Fast Pyrolysis Bio-Oil. Catalysts, 9 (9), Article: 784. doi:10.3390/catal9090784
Proceedingsbeiträge
Rosendahl, L. A.; Cocchi, M.; Iversen, S.; Heracleous, E.; Dallo, I. L.; Lercher, J.; Raffelt, K.; Sandquist, J.; Verdier, S.; Bianchi, D.; Hellings, B.; Grassi, A.; Momi, S. (2019). Sustainable drop-in transport fuels from hydrothermal liquefaction of low value urban feedstocks-nextgenroadfuels project. 27th European Biomass Conference and Exhibition, EUBCE 2019; Lisbon; Portugal; 27 May 2019 through 30 May 2019, 1166–1168, ETA-Florence Renewable Energies.
2018
Zeitschriftenaufsätze
Boscagli, C.; Tomasi Morgano, M.; Raffelt, K.; Leibold, H.; Grunwaldt, J.-D. (2018). Influence of feedstock, catalyst, pyrolysis and hydrotreatment temperature on the composition of upgraded oils from intermediate pyrolysis. Biomass and bioenergy, 116, 236–248. doi:10.1016/j.biombioe.2018.06.022
Carriel Schmitt, C.; Gagliardi Reolon, M.; Zimmermann, M.; Raffelt, K.; Grunwaldt, J.-D.; Dahmen, N. (2018). Synthesis and Regeneration of Nickel-Based Catalysts for Hydrodeoxygenation of Beech Wood Fast Pyrolysis Bio-Oil. Catalysts, 8 (10), Article: 449. doi:10.3390/catal8100449
Schmitt, C. C.; Raffelt, K.; Zimina, A.; Krause, B.; Otto, T.; Rapp, M.; Grunwaldt, J.-D.; Dahmen, N. (2018). Hydrotreatment of Fast Pyrolysis Bio-oil Fractions Over Nickel-Based Catalyst. Topics in catalysis, 61 (15-17), 1769–1782. doi:10.1007/s11244-018-1009-z
2017
Buchaufsätze
Raffelt, K.; Nicoleit, T.; Dahmen, N.; Sauer; Joerg. (2017). Bio-Slurries From Lignocellulose. Encyclopedia of Sustainable Technologies. Ed. by Abraham, Martin, 217–228, Elsevier.
Zeitschriftenaufsätze
Boscagli, C.; Yang, C.; Welle, A.; Wang, W.; Behrens, S.; Raffelt, K.; Grunwaldt, J.-D. (2017). Effect of pyrolysis oil components on the activity and selectivity of nickel-based catalysts during hydrotreatment. Applied catalysis / A, 544, 161–172. doi:10.1016/j.apcata.2017.07.025
Proceedingsbeiträge
Baehr, C.; Gulden, J.; Raffelt, K.; Dahmen, N. (2017). Carbon dioxide as a solvent for pyrolysis oils. Proceedings of the 25th European Biomass Conference & Exhibition, Stockholm/Schweden, 12.06.-15.06.17.
Carriel-Schmitt, C.; Boscagli, C.; Rapp, M.; Raffelt, K.; Dahmen, N. (2017). Characterization of Light and Heavy Phase of Pyrolysis-Oil from Distinct Biomass for Further Upgrading Reactions. Proceedings of the 25th European Biomass Conference & Exhibition, Stockholm/Schweden, 12.06.-15.06.17, 1143–1147. doi:10.5071/25thEUBCE2017-3AV.3.15
Moreira, R.; Cruz-Neves, R.; Carriel-Schmitt, C.; Breunig, M.; Coelho Tambani, P.; Ushima, A. H.; Funke, A.; Raffelt, K. (2017). Characterization of Brazilian Sugarcane Bagasse and Sugarcane Straw Based on European Methodologies to Evaluate the Potential for Energy Conversion. Proceedings of the 25th European Biomass Conference & Exhibition, Stockholm/Schweden, 12.06.-15.06.17, 150–155. doi:10.5071/25thEUBCE2017-1DV.1.6
2016
Zeitschriftenaufsätze
Feng, P.; Lin, W.; Jensen, P. A.; Song, W.; Hao, L.; Raffelt, K.; Dam-Johansen, K. (2016). Entrained flow gasification of coal/bio-oil slurries. Energy, 111 (Sept 15), 793–802. doi:10.1016/j.energy.2016.05.115
Olbrich, W.; Boscagli, C.; Raffelt, K.; Zang, H.; Dahmen, N.; Sauer, J. (2016). Catalytic hydrodeoxygenation of pyrolysis oil over nickel-based catalysts under H2/CO2 atmosphere. Sustainable Chemical Processes, 4 (1), 9. doi:10.1186/s40508-016-0053-x
Proceedingsbeiträge
Mertens, F.; Nicoleit, T.; Raffelt, K. (2016). Comparison of Analytical Methods for Highly Aqueous Pyrolysis Condensates. Proceedings of the 24th European Biomass Conference and Exhibition : EUBCE 2016, Amsterdam, Netherlands, 6th - 9th June 2016, 1294–1297, ETA. doi:10.5071/24THEUBCE2016-3DV.3.49
2015
Zeitschriftenaufsätze
Boscagli, C.; Raffelt, K.; Zevaco, T. A.; Olbrich, W.; Otto, T. N.; Sauer, J.; Grunwaldt, J.-D. (2015). Mild hydrotreatment of the light fraction of fast-pyrolysis oil produced from straw over nickel-based catalysts. Biomass and bioenergy, 83, 525–538. doi:10.1016/j.biombioe.2015.11.003
Weber, C.; Boscagli, C.; Raffelt, K.; Richter, D.; Zevaco, T. (2015). Fast pyrolysis of fresh bio waste and ensiled municipal green cut. Chemie - Ingenieur - Technik, 87 (12), 1696–1706. doi:10.1002/cite.201500040
2014
Proceedingsbeiträge
Nicoleit, T.; Herzog, A. C.; Raffelt, K.; Dahmen, N.; Sauer, J. (2014). Suspensions of flash pyrolysed biomass: Systematic examination of stirring. Proceedings of the 22nd European Biomass Conference and Exhibition, Hamburg, June 23-26, 2014, 1151–1154, ETA-Florence Renewable Energies. doi:10.5071/22ndEUBCE2014-3CV.2.16
Nicoleit, T.; Steffensen, A.; Raffelt, K.; Sauer, J. (2014). Mixing and stirring gasifier feeds of pyrolyzed biomass suspensions. 5th International Conference on Engineering for Waste and Biomass Valorisation and 1st WasteEng Summer School 2014, Rio de Janeiro, BR, August 25-28, 2014. Ed.: A. Nzihou., CD-ROM.
2013
Zeitschriftenaufsätze
Raffelt, K. (2013). NMR methods for product quality diagnostics in bio-oil production. PyNe Newsletter, (33), 21–23.
Proceedingsbeiträge
Nicoleit, T.; Erbay, G.; Raffelt, K. (2013). Investigations about the mixing process of char and biooil as products from the flash pyrolysis of biomass. Proceedings of the 21st European Biomass Conference and Exhibition, Copenhagen, DK, June 3-7, 2013, 956–961, ETA-Florence Renewable Energies.
2012
Proceedingsbeiträge
Nicoleit, T.; Bitsch, B.; Girke, F. P.; Raffelt, K.; Dahmen, N.; Dinjus, E. (2012). Charakaterisierung von Ethylenglykol-Pyrolysekoks-Slurries, dem Modellbrennstoff des bioliq-Vergasers. Konversion von Biomassen (Velen X) : Beiträge zur DGMK-Fachbereichstagung, Rotenburg a.d.Fulda, 19.-21. März 2012, Deutsche Wissenschaftliche Gesellschaft für Erdöl, Erdgas und Kohle e.V. (DGMK).
2010
Buchaufsätze
Dahmen, N.; Henrich, E.; Kruse, A.; Raffelt, K. (2010). Biomass liquefaction and gasification. Vertes, A.A. [Hrsg.] Biomass to Biofuels : Strategies for Global Industries Chichester : Wiley, 2010, 91–122.
2006
Zeitschriftenaufsätze
Raffelt, K.; Henrich, E.; Koegel, A.; Stahl, R.; Steinhardt, J.; Weirich, F. (2006). The BTL2 Process of Biomass Utilization Entrained-Flow Gasification of Pyrolyzed Biomass Slurries. Applied biochemistry and biotechnology, 129 (1-3), 153–164. doi:10.1385/ABAB:129:1:153
2004
Buchaufsätze
Henrich, E.; Raffelt, K.; Stahl, R.; Weirich, F. (2004). Gasification of biomass. Agricultural residues to synfuel and power. MoDeSt Workshop on Recycling of Polymeric Materials, Karlsruhe, July 3-4, 2003 Wissenschaftliche Berichte, FZKA-7005 (April 2004), B5/1–18.
Proceedingsbeiträge
Henrich, E.; Dinjus, E.; Kögel, A.; Raffelt, K.; Stahl, R.; Weirich, F. (2004). A two stage process for synfuel from biomass. Van Swaaij, W.P.M. [Hrsg.] 2nd World Biomass Conf. : Biomass for Energy, Industry and Climate Protection ; Proc.of the Conf.held in Roma, I, May 10-14, 2004 Vol.I Firenze : ETA ; München : WIP, 2004, 729–33.
Raffelt, K.; Henrich, E.; Koegel, A.; Stahl, R.; Steinhardt, J.; Weirich, F. (2004). Stable slurries from biomass pyrolysis products for entrained flow gasification. Van Swaaij, W.P.M. [Hrsg.] 2nd World Biomass Conf. : Biomass for Energy, Industry and Climate Protection ; Proc.of the Conf.held in Roma, I, May 10-14, 2004 Vol.I Firenze : ETA ; München : WIP, 2004, 914–17.
Raffelt, K.; Henrich, E.; Steinhardt, J. (2004). Herstellung und Eigenschaften von Slurries aus Biomasse für die Biomassevergasung. Energetische Nutzung von Biomassen : Beiträge zur DGMK-Fachbereichstagung, Velen, 19.-21.April 2004 Hamburg : DGMK, 2004 (DGMK-Tagungsbericht ; 2004-1), 333–40.
Stahl, R.; Henrich, E.; Kögel, A.; Raffelt, K.; Steinhardt, J.; Weirich, F.; Dinjus, E. (2004). Pressurised entrained gasification of slurries from biomass. Van Swaaij, W.P.M. [Hrsg.] 2nd World Biomass Conf. : Biomass for Energy, Industry and Climate Protection ; Proc.of the Conf.held in Roma, I, May 10-14, 2004 Vol.I Firenze : ETA ; München : WIP, 2004, 813–16.
2003
Zeitschriftenaufsätze
Henrich, E.; Dinjus, E.; Raffelt, K.; Stahl, R.; Weirich, F. (2003). Synthesegas aus Biomasse. Nachrichten - Forschungszentrum Karlsruhe, 35, 92–98.