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Updated: Jan 18, 2026
08:46
Methane Hydrate Crystallization on Sessile Water Droplets
Published on: May 26, 2021
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Refined Analysis of the Nucleation Curves for Ice and Gas Hydrate Generated from the Linear Cooling Ramp Method
Xin Zhang1, Ying Zhou1, Nobuo Maeda1
1Department of Civil and Environmental Engineering, School of Mining and Petroleum Engineering, University of Alberta Edmonton, AB T6G 1H9, Canada.
Langmuir : the ACS Journal of Surfaces and Colloids
|September 12, 2025
Summary
Adjusting the unit building block size in Classical Nucleation Theory (CNT) improved ice nucleation analysis. However, linearity issues persisted with effective ice nucleation promoters like Snomax and AgI, revealing CNT
Area of Science:
- Physical Chemistry
- Materials Science
- Thermodynamics
Background:
- Classical Nucleation Theory (CNT) is used to analyze nucleation curves of ice and clathrate hydrates.
- Previous CNT analyses faced challenges with plot curvature, limiting parameter deduction.
Purpose of the Study:
- To improve the analysis of nucleation data by adjusting the unit building block size in CNT.
- To investigate the impact of this adjustment on the linearity of nucleation plots.
Main Methods:
- Experimentally determined nucleation curves using a linear cooling ramp method.
- Applied Classical Nucleation Theory (CNT) with adjusted unit building block size.
- Analyzed the linearity of (ln J - ΔSeqΔT/kT) versus (1/T ΔT^2) plots.
Main Results:
- Adjusting the unit building block size significantly improved plot linearity for most samples.
- Poor linearity persisted for samples with effective ice nucleation promoters (Snomax, AgI).
Conclusions:
- The unit building block size is a critical parameter for achieving linearity in CNT analysis.
- CNT has limitations when analyzing nucleation data in the presence of potent ice nucleation promoters.
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