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2021 | OriginalPaper | Chapter

4. Thermodynamische Eigenschaften einfacher und gemischter Gashydrate

Author: Judith M. Schicks

Published in: Gashydrate – Eine Einführung in Grundlagenforschung und Anwendung

Publisher: Springer Berlin Heidelberg

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Zusammenfassung

In Kap. 4 wird zunächst das Druck-Temperatur-Diagramm einfacher Gashydrate mit dem Verlauf der Gleichgewichtskurven und der koexistierenden Phasen für unterkritische und überkritische Hydratbildner diskutiert und das erste grundlegende Modell von van der Waals und Platteeuw sowie dessen Weiterentwicklungen zur Vorhersage des Phasenverhaltens vorgestellt. Anschließend wird auf den Einfluss der Eigenschaften der Gastmoleküle auf die thermodynamischen Eigenschaften der resultierenden Hydratphase wie z. B. die Stabilitätsbereiche (p-T-Bedingungen) und Zersetzungsenthalpien eingegangen. Schließlich wird der Einfluss von Salzen, thermodynamischen Inhibitoren und Sedimenten auf die thermodynamischen Eigenschaften einer Hydratphase erläutert.
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Metadata
Title
Thermodynamische Eigenschaften einfacher und gemischter Gashydrate
Author
Judith M. Schicks
Copyright Year
2021
Publisher
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/978-3-662-62778-5_4

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