Measurement of Solid-Fluid Equilibria and Solid Formation Kinetics in Liquified Natural Gas via Optical Microscopy

Catherine Sampson

Research output: ThesisDoctoral Thesis

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Abstract

This work targets the twofold solid freeze-out challenge facing liquified natural gas (LNG) producers by developing an apparatus capable of characterizing both the solid-fluid equilibria and kinetics of solid formation for common impurities at industrially relevant concentrations. From this data, thermodynamic models have been tuned to accurately represent solid stability at trace concentrations, and the solid formation data have been fit to probabilistic models, providing quantitative predictions of solid formation risk at different concentrations and process conditions. In so doing, this work provides LNG producers with data necessary to design and operate their liquefaction systems with greater confidence.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • The University of Western Australia
Supervisors/Advisors
  • Johns, Michael, Supervisor
  • Stanwix, Paul, Supervisor
  • May, Eric, Supervisor
Thesis sponsors
Award date21 Jun 2023
DOIs
Publication statusUnpublished - 2023

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