作者
Sheng Dai, Joo Yong Lee, J Carlos Santamarina
发表日期
2014/9/25
期刊
Fluid Phase Equilibria
卷号
378
页码范围
107-112
出版商
Elsevier
简介
Gas hydrate nucleation is the spontaneous formation of an ordered crystalline lattice from a disordered phase. This inherently random process often involves long induction times particularly in quiescent conditions. An experimental study was conducted to explore the kinetics of hydrate formation in the presence of mineral grains and when subjected to mechanical agitation. Results show that tetrahydrofuran THF hydrate nucleation is facilitated in the presence of most minerals, and induction times are a function of mineralogy and surface characteristics. While mechanical vibration does not suppress the inherent stochastic nature of nucleation, mechanical agitation triggers nucleation when the imposed acceleration exceeds ∼10 m/s2.
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