Optimizing product yield and composition in chemical recycling of mixed plastics through temperature-staged pyrolysis
Netsch, N.; Tauber, A.; Merz, D.; Bergfeldt, B.; Tavakkol, S.; Stapf, D.
2026. Chemical engineering science, 327, 123622. doi:10.1016/j.ces.2026.123622

Characteristics of Polyurethane Pyrolysis - Experimental Investigations and Product Analyses for the Assessment of Chemical Recycling Potentials
Zeller, M.; Wattenberg, L.; Shrestha, P.; Hannemann, A.; Erdenepurev, A.-E.; Netsch, N.; Bergfeldt, B.; Tavakkol, S.; Stapf, D.
2026. Journal of applied polymer science, 143 (7), Art.-Nr.: e70032. doi:10.1002/app.70032

Chemical Recycling of Mixed Thermoplastics via Pyrolysis: A Comparative Study of Feedstock Influence and Reactor Impact
Netsch, N.; Tauber, A.; Keskin, O.; Bergfeldt, B.; Wehner, H.; Eidam, D.; Tavakkol, S.; Stapf, D.
2025. Journal of analytical and applied pyrolysis, 194, Art.Nr: 107575. doi:10.1016/j.jaap.2025.107575

Chemical characterization of mixed plastic pyrolysis oils relevant for cracker reintegration by advanced two-dimensional gas chromatography
Netsch, N.; Weigel, L.; Schmedding, T.; Zeller, M.; Bergfeldt, B.; Straczewski, G.; Tavakkol, S.; Stapf, D.
2025. Fuel Processing Technology, 280, 108359. doi:10.1016/j.fuproc.2025.108359

Chemical recycling of refrigerator plastic waste by pyrolysis: Yields, product composition, and potential applications
Vogt, J.; Renno, A. D.; Fuchs, M.; Kurtz, T.; Netsch, N.; Richter, F.; Straczewski, G.; Bergfeldt, B.; Madriz-Diaz, Y. C.; Ribeiro, A. de L.; Ebert, D.; Tavakkol, S.; Raatz, S.; Stapf, D.
2025. Fuel, 400, Art.-Nr.: 135776. doi:10.1016/j.fuel.2025.135776

Towards the Circularity of Flame-Retarded Expanded Polystyrene via Pyrolysis
Alsharqawi, R.; Merz, D.; Zeller, M.; Netsch, N.; Kurtz, T.; Bergfeldt, B.; Tavakkol, S.; Stapf, D.
2025, September 17. PYROLIQ III: Pyrolysis and Liquefaction of Biomass and Wastes (2025), Cetraro, Italy, September 14–19, 2025

Chemical recycling of flame-retarded Plastics: Reducing the bromine content in the pyrolysis oil using calcium-based sorbents
Alsharqawi, R.; Bergfeldt, B.; Merz, D.; Richter, F.; Straczewski, G.; Netsch, N.; Tavakkol, S.; Stapf, D.
2025, June 5. 20th European Meeting on Fire Retardant Polymeric Materials (FRPM 2025), Madrid, Spain, June 3–6, 2025

Closing the loop: pyrolysis of flame-retarded (E)PS
Alsharqawi, R.; Merz, D.; Kurtz, T.; Zeller, M.; Netsch, N.; Bergfeldt, B.; Tavakkol, S.; Stapf, D.
2025, March 18. Jahrestreffen der DECHEMA-Fachgruppen Abfallbehandlung und Wertstoffrückgewinnung (AuW), Hochtemperaturtechnik (HTT) und Rohstoffe (ROH 2025), Dresden, Germany, March 17–18, 2025

Vergleich von chemischen Recyclingoptionen mit der thermischen Abfallverwertung
Hennig, M.; Dreising, T.; Reeves, A.; Gehrmann, H.-J.; Richter, F.; Bergfeldt, B.; Straczewski, G.; Tavakkol, S.; Stapf, D.
2025, January 28. Berliner Konferenz Abfallwirtschaft und Energie (BKAWE 2025), Berlin, Germany, January 28–29, 2025

Vergleich von chemischen Recyclingoptionen mit der thermischen Abfallverwertung
Hennig, M.; Dreising, T. M.; Reeves, A.; Gehrmann, H.-J.; Richter, F.; Bergfeldt, B.; Straczewski, G.; Tavakkol, S.; Stapf, D.
2025. Abfallwirtschaft und Energie. Bd.: 2. Hrsg.: S. Thiel, 559–570, Thomé-Kozmiensky Verlag (TK)

Influencing the Product Quality in Chemical Recycling of Mixed Thermoplastics by Temperature-staged Pyrolysis
Netsch, N.; Tauber, A.; Keskin, O.; Merz, D.; Bergfeldt, B.; Tavakkol, S.; Stapf, D.
2024, November 27. DGMK-Konferenz "Energy and Material Flows in Sustainable Petrochemistry - Opportunities and Implications" (2024), Hamburg, Germany, November 27–29, 2024

Advanced analytical methods for characterization of condensable pyrolysis products from plastic waste
Netsch, N.; Schmedding, T.; Pöplow, A.; Zeller, M.; Bergfeldt, B.; Straczewski, G.; Tavakkol, S.; Stapf, D.
2024, September. KNT-Symposium “Chemical Engineering for a Sustainable World” (2024), Karlsruhe, Germany, September 30–October 2, 2024

Advanced analytical methods for characterization of condensable pyrolysis products from plastic waste
Netsch, N.; Schmedding, T.; Pöplow, A.; Zeller, M.; Bergfeldt, B.; Straczewski, G.; Tavakkol, S.; Stapf, D.
2024, September. KNT-Symposium “Chemical Engineering for a Sustainable World” (2024), Karlsruhe, Germany, September 30–October 2, 2024

The influence of brominated flame-retardants on the pyrolysis behavior of plastics via TGA and Py-GC-MS
Alsharqawi, R.; Merz, D.; Bergfeldt, B.; Straczewski, G.; Tavakkol, S.; Stapf, D.
2024, August 22. 10th International Conference on Engineering for Waste and Biomass Valorisation (WasteEng 2024), Sendai, Japan, August 20–23, 2024

Energy Demand for Pyrolysis of Mixed Thermoplastics and Waste Plastics in Chemical Recycling: Model Prediction and Pilot-Scale Validation
Netsch, N.; Zeller, M.; Richter, F.; Bergfeldt, B.; Tavakkol, S.; Stapf, D.
2024. Sustainable resource Management, 1 (7), 1485–1492. doi:10.1021/acssusresmgt.4c00109

Economic and environmental assessment of automotive plastic waste end‐of‐life options: Energy recovery versus chemical recycling
Stallkamp, C.; Hennig, M.; Volk, R.; Richter, F.; Bergfeldt, B.; Tavakkol, S.; Schultmann, F.; Stapf, D.
2023. Journal of Industrial Ecology, 27 (5), 1319–1334. doi:10.1111/jiec.13416

Chlorellestadite (Synth): Formation, Structure, and Carbonate Substitution during Synthesis of Belite Clinker from Wastes in the Presence of CaCl and CO
Garbev, K.; Ullrich, A.; Beuchle, G.; Bergfeldt, B.; Stemmermann, P.
2022. Minerals, 12 (9), Artikel-Nr.: 1179. doi:10.3390/min12091179

CaCl₂ as a Mineralizing Agent in Low-Temperature Recycling of Autoclaved Aerated Concrete: Cl-Immobilization by Formation of Chlorellestadite
Ullrich, A.; Garbev, K.; Schweike, U.; Köhler, M.; Bergfeldt, B.; Stemmermann, P.
2022. Minerals, 12 (9), 1142. doi:10.3390/min12091142

Efficient Fluoride Removal from Aqueous Solution Using Zirconium-Based Composite Nanofiber Membranes
Mohamed, A.; Valadez Sanchez, E. P.; Bogdanova, E.; Bergfeldt, B.; Mahmood, A.; Ostvald, R. V.; Hashem, T.
2021. Membranes, 11 (2), Article no: 147. doi:10.3390/membranes11020147

Starve to Sustain - An Ancient Syrian Landrace of Sorghum as Tool for Phosphorous Bio-Economy?
Kanbar, A.; Mirzai, M.; Abuslima, E.; Flubacher, N.; Eghbalian, R.; Garbev, K.; Bergfeldt, B.; Ullrich, A.; Leibold, H.; Eiche, E.; Müller, M.; Mokry, M.; Stapf, D.; Nick, P.
2021. International Journal of Molecular Sciences, 22 (17), Art.-Nr.: 9312. doi:10.3390/ijms22179312

In situ x-ray diffraction at high temperatures: Formation of CaSiO and ternesite in recycled autoclaved aerated concrete
Ullrich, A.; Garbev, K.; Bergfeldt, B.
2021. Minerals, 11 (8), Art.Nr. 789. doi:10.3390/min11080789

Small Scale-Simulation of mineral Reactions During the Formation of Slags in the Combustion Chamber of Biomass Heat and Power Plants
Pfrang-Stotz, G.; Bergfeldt, B.; Ricker, M.
2020. Reichelt, Jürgen (Hrsg.) (Ed.), 8th International Symposium on Energy from Biomass and Waste 2020 : VENICE 2020, a fully virtual event from 16-19 November 2020, Eurowaste Srl

Increasing the efficiency of energy production in biomass power plants by technical application of a biofuel catalog: First Test Results
Reichelt, J.; Pfrang-Stotz, G.; Bergfeldt, B.
2020, July 6. 28th European Biomass Conference and Exhibition (EUBCE 2020), Online, July 6–9, 2020

A New Method to Predict Slagging and Fouling During Biomass Combustion
Bergfeldt, B.; Reichelt, J.; Pfrang-Stotz, G.; Kaufmann, S.
2020. Bioeconomy’s role in the post-pandemic economic recovery : papers of the 28th European Biomass Conference (EUBCE 2020) : extracted from the proceedings of the International conference held virtually, 6-9 July 2020, 1012–1015, ETA-Florence Renewable Energies. doi:10.5071/28thEUBCE2020-2BV.2.9

Increasing the efficiency of energy production in biomass power plants by technical application of a biofuel catalog: First Test Results
Reichelt, J.; Pfrang-Stotz, G.; Bergfeldt, B.
2020. Bioeconomy’s role in the post-pandemic economic recovery : papers of the 28th European Biomass Conference (EUBCE 2020) : extracted from the proceedings of the International conference held virtually, 6-9 July 2020, 345–349, ETA-Florence Renewable Energies. doi:10.5071/28thEUBCE2020-2BV.2.8

Recovery of Phosphorus and other Nutrients during Pyrolysis of Chicken Manure
Bergfeldt, B.; Tomasi Morgano, M.; Leibold, H.; Richter, F.; Stapf, D.
2018. Agriculture, 8 (12), 187. doi:10.3390/agriculture8120187

Intermediate pyrolysis of agricultural waste: A decentral approach towards circular economy
Tomasi Morgano, M.; Bergfeldt, B.; Leibold, H.; Richter, F.; Stapf, D.
2018. Chemical engineering transactions, 65, 649–654. doi:10.3303/CET1865109

Investigation of conglomerates in the fuel bed and deposits on heat ex-changer tubes in a fluidized bed pilot plant
Bergfeldt, B.; Pfrang-Stotz, G.; Reichelt, J.; Ricker, M.
2017. 25th European Biomass Conference and Exhibition - Setting the course for a biobased economy - EUBCE, Stockholm, Sweden, 12-15 June 2017. Ed.: L. Ek, 680–684, ETA-Florence Renewable Energies

Investigations on the Formation and Classification of Slags from Combustion Chambers of BMHP Plants
Pfrang-Stotz, G.; Reichelt, J.; Bergfeldt, B.
2017. 25th European Biomass Conference and Exhibition - Setting the course for a biobased economy - EUBCE, Stockholm, Sweden, 12-15 June 2017. Ed.: L. Ek, 401–407, ETA-Florence Renewable Energies

Investigation of conglomerates in the fuel bed and deposits on heat ex-changer walls in a fluidized bed pilot plant
Bergfeldt, B.; Pfrang-Stotz, G.; Reichelt, J.
2017. 25th European Biomass Conference and Exhibition (2017), Stockholm, Sweden, June 12–15, 2017

Investigations on the Formation and Classification of Slags from Combustion Chambers of BMHP Plants
Pfrang-Stotz, G.; Reichelt, J.; Bergfeldt, B.
2017. 25th European Biomass Conference and Exhibition (2017), Stockholm, Sweden, June 12–15, 2017

Screw Pyrolysis for phosphorus recovery - The example of chicken manure
Tomasi Morgano, M.; Bergfeldt, B.; Leibold, H.; Richter, F.; Stapf, D.; Seifert, H.
2016. IPW8 - 8th International Phosphorus Workshop in Rostock (Germany), September 12-16, 2016

Wastes from highway operation service as material for co-combustion in power plants
Reichelt, J.; Pfrang-Stotz, G.; Bergfeldt, B.; Hess, R.; Lohmeier, M.
2015. 25th World Road Congress, Seoul, Korea, November 2-6, 2015

Kombinierte chemische, elektronennmikroskopische, strukturelle, spektroskopische und elektrochemische Charakterisierung von nanoskaligen Anoden-Materialien
Szabo, D. V.; Kilibarda, G.; Schlabach, S.; Winkler, V.; Trouillet, V.; Bergfeldt, B.; Bruns, M.; Kübel, C.
2015. 18.Tagung Festkörperanalytik, Wien, A, 6.-8.Juli 2015

Chemical and mineralogical characterization of bottom ashes from the combustion of different biomass
Bergfeldt, B.; Pfrang-Stotz, G.; Reichelt, J.
2015. 10th European Conference on Industrial Furnaces and Boilers (INFUB 2015), Porto, P, April 7-10, 2015

Influence of the thermal treatment of different biomasses on slags in combustion chambers and deposits in boiler systems of biomass power plants
Reichelt, J.; Pfrang-Stotz, G.; Bergfeldt, B.
2015. 10th European Conference on Industrial Furnaces and Boilers (INFUB 2015), Porto, P, April 7-10, 2015

Correlation between biomass fuel and slagging in the combustion chamber as well as formation of deposits on heat exchanger surfaces using the example of the BMHP plant Pforzheim, Germany
Pfrang-Stotz, G.; Reichelt, J.; Bergfeldt, B.; Seifert, H.; Seitz, M.; Ruck, S.
2014. 5th International Symposium on Energy from Biomass and Waste (Venice 2014), Venezia, I, November 17-20, 2014

The influence of ash preparation temperatures on the ash-melting behavior of different biomass fuels
Bergfeldt, B.; Pfrang-Stotz, G.; Reichelt, J.
2014. 5th International Symposium on Energy from Biomass and Waste (Venice 2014), Venezia, I, November 17-20, 2014

Correlation between biomass fuel and slagging in the combustion chamber as well as formation of deposits on heat exchanger surfaces using the example of the BMHP plant Pforzheim, Germany
Pfrang-Stotz, G.; Reichelt, J.; Bergfeldt, B.; Seifert, H.; Seitz, M.; Ruck, S.
2014. Proceedings of the 5th International Symposium on Energy from Biomass and Waste (Venice 2014), Venezia, I, November 17-20, 2014, CD-ROM, Eurowaste Srl

The influence of ash preparation temperatures on the ash-melting behavior of different biomass fuels
Bergfeldt, B.; Pfrang-Stotz, G.; Reichelt, J.
2014. Proceedings of the 5th International Symposium on Energy from Biomass and Waste (Venice 2014), Venezia, I, November 17-20, 2014, CD-ROM, Eurowaste Srl

Effect of natural ageing on volume stability of MSW and wood waste incineration residues
Gori, M.; Bergfeldt, B.; Reichelt, J.; Sirini, P.
2013. Waste Management, 33, 850–857. doi:10.1016/j.wasman.2012.12.005

Leaching quality of fresh bottom ashes derived from three different WtE technologies
Bergfeldt, B.
2013. Sardinia 2013 : 14th Internat.Waste Management and Landfill Symp., S.Margherita di Pula, I, September 30 - October 4, 2013

Formation of deposits on the surface of superheaters and economisesrs of MSW incinerator plants
Reichelt, J.; Pfrang-Stotz, G.; Bergfeldt, B.; Seifert, H.; Knapp, P.
2013. Waste Management, 33, 43–51. doi:10.1016/j.wasman.2012.08.011

Differences in the formation of deposits on heat exchanger surfaces in different heat and power plants
Reichelt, J.; Pfrang-Stotz, G.; Bergfeldt, B.; Seifert, H.; Knapp, P.
2012. 4th International Symposium on Energy from Biomass and Waste, Venezia, I, November 12-15, 2012

Leaching behaviour of bottom ash from biomass and SRF incineration
Romeo, C.; Gori, M.; Bergfeldt, B.; Gori, R.; Sirini, P.
2012. 4th Internat.Symp.on Energy from Biomass and Waste (Venice 2012), Venezia, I, November 12-15, 2012

Leaching behaviour of bottom ash from biomass and SRF incineration
Romeo, C.; Gori, M.; Bergfeldt, B.; Gori, R.; Sirini, P.
2012. Proc.of 4th Internat.Symp.on Energy from Biomass and Waste (Venice 2012), Venezia, I, November 12-15, 2012, CD-ROM, Eurowaste Srl