EFFECT OF THE FLUID SHEAR RATE ON THE INDUCTION TIME OF CO2-THF HYDRATE FORMATION

被引：15

作者：

Douieb, Selim ^{[1
,2
]}

Archambault, Simon ^{[1
]}

Fradette, Louis ^{[1
]}

Bertrand, Francois ^{[1
]}

Haut, Benoit ^{[2
]}

机构：

[1] Ecole Polytech Montreal, Dept Chem Engn, URPEI, Stn CV, POB 6079, Montreal, PQ H3C 3A7, Canada

[2] Univ Libre Bruxelles, TIPs, Ave FD Roosevelt 50,CP 165-67, B-1050 Brussels, Belgium

来源：

CANADIAN JOURNAL OF CHEMICAL ENGINEERING | 2017年 / 95卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

crystallization; gas hydrates; induction time; shear rate; Couette-Taylor; CARBON-DIOXIDE; CLATHRATE HYDRATE; PHASE-EQUILIBRIA; FLOW REGIMES; GAS; METHANE; NUCLEATION; CRYSTALLIZATION; KINETICS; CAPTURE;

D O I：

10.1002/cjce.22650

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A method that allows the effect of the fluid shear rate on the induction time of gas hydrate formation to be characterized was developed and applied to CO2-THF hydrate formation. The investigation of the effect of the application of a constant shear rate (50 to 300 s(-1)) to the liquid phase from which the hydrates are formed revealed that the mean induction time decreases significantly as the applied shear rate increases. This could primarily be attributed to a decrease in the time required for stable gas hydrate nuclei to be generated and to grow to a macroscopically detectable size. The induction time could also be significantly reduced by the application of a high shear rate (900 s(-1)) to the liquid phase for a relatively short, defined period of time.

引用

页码：187 / 198

页数：12

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