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Stoffliche Nutzung von Braunkohle pp 225–273Cite as

Partikelverhalten

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Zusammenfassung

Die Größe von Kohlepartikeln und deren prozessbedingte Veränderung z. B. durch Partikelzerfall haben bei der thermochemischen Konversion direkten Einfluss auf Parameter wie Aufheizgeschwindigkeit, Verweilzeit und Reaktionsgeschwindigkeit. In einem ersten Beitrag wird die Primärfragmentierung von Kohlepartikeln durch Hochtemperatureinwirkung in drei Versuchsanlagen untersucht. Dabei zeigt sich, dass der Inkohlungsgrad den größten Einfluss auf das Partikelzerfallsverhalten hat. In einem zweiten Beitrag wird der thermisch induzierte Partikelzerfall modelliert und durch numerische Simulation von Temperatur‐ und Spannungsprofilen in Kohlepartikeln während der Aufheizung dargestellt. Am Beispiel eines Hochdruck‐ Fallrohrreaktors werden in einem dritten Beitrag die verfahrenstechnischen und rohstofflichen Einflussgrößen auf die Partikel‐ und Gasverweilzeit bei der Konversion durch Pyrolyse aufgezeigt und diskutiert.

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Notes

  1. 1.

    SPaltor, siehe Jan Friedemann Abschn. 18.1

  2. 2.

    In der Skizze symbolisch als Federn dargestellt

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Authors and Affiliations

  1. Institut für Energieverfahrenstechnik und Chemieingenieurwesen, Professur Energieverfahrenstechnik und thermische Rückstandsbehandlung, TU Bergakademie Freiberg, Fuchsmühlenweg 9, 09599, Freiberg, Deutschland

    Jan Friedemann

  2. Institut für Energieverfahrenstechnik und Chemieingenieurwesen, Professur Energieverfahrenstechnik und thermische Rückstandsbehandlung, TU Bergakademie Freiberg, Fuchsmühlenweg 9, 09599, Freiberg, Deutschland

    Felix Baitalow

  3. Institut für Energieverfahrenstechnik und Chemieingenieurwesen, Professur Energieverfahrenstechnik und thermische Rückstandsbehandlung, TU Bergakademie Freiberg, Fuchsmühlenweg 9, 09599, Freiberg, Deutschland

    Shan Zhong

  4. Institut für Energieverfahrenstechnik und Chemieingenieurwesen, Professur Energieverfahrenstechnik und thermische Rückstandsbehandlung, TU Bergakademie Freiberg, Fuchsmühlenweg 9, 09599, Freiberg, Deutschland

    Armin Heinze

  5. Institut für Energieverfahrenstechnik und Chemieingenieurwesen, Professur Energieverfahrenstechnik und thermische Rückstandsbehandlung, TU Bergakademie Freiberg, Fuchsmühlenweg 9, 09599, Freiberg, Deutschland

    Stephan Siegl

  6. Institut für Energieverfahrenstechnik und Chemieingenieurwesen, Professur Energieverfahrenstechnik und thermische Rückstandsbehandlung, TU Bergakademie Freiberg, Fuchsmühlenweg 9, 09599, Freiberg, Deutschland

    Denise Klinger

  7. Institut für Energieverfahrenstechnik und Chemieingenieurwesen, Professur Energieverfahrenstechnik und thermische Rückstandsbehandlung, TU Bergakademie Freiberg, Fuchsmühlenweg 9, 09599, Freiberg, Deutschland

    Steffen Krzack

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  1. Jan Friedemann
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  2. Felix Baitalow
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  3. Shan Zhong
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Correspondence to Felix Baitalow or Denise Klinger .

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  1. Inst. für Energieverfahrenstechnik und Chemieingenieurwesen, TU Bergakademie Freiberg, Freiberg, Germany

    Steffen Krzack

  2. Inst. für Energieverfahrenstechnik und Chemieingenieurwesen, TU Bergakademie Freiberg, Freiberg, Germany

    Heiner Gutte

  3. Inst. für Energieverfahrenstechnik und Chemieingenieurwesen, TU Bergakademie Freiberg, Freiberg, Germany

    Bernd Meyer

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Friedemann, J. et al. (2018). Partikelverhalten. In: Krzack, S., Gutte, H., Meyer, B. (eds) Stoffliche Nutzung von Braunkohle. Springer Vieweg, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-46251-5_17

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