CHARACTERIZATION OF CO2 HYDRATE FORMATION

被引：0
|
作者：
Jerbi, S. [1 ]
Delahaye, A. [1 ]
Fournaison, L. [1 ]
Haberschill, P. [2 ]
机构：
[1] Irstea, UR GPAN, Parc Tourvoie BP 44, F-92163 Antony, France
[2] Inst Natl Sci Appl, F-69621 Villeurbanne, France
来源：
8TH IIR CONFERENCE ON PHASE CHANGE MATERIALS AND SLURRIES FOR REFRIGERATION AND AIR CONDITIONING | 2009年
关键词：
KINETICS; METHANE; ETHANE;
D O I：
暂无
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This work is an investigation about CO2-hydrate formation kinetics in the aim of designing a circulation loop with heat exchangers for secondary refrigeration applications. The formation of gas hydrates is a phase change which requires a supersaturated environment. It is a crystallization process. The majority of the experimental formation data from the literature were obtained in a semi-batch stirred tank. It was found that the hydrate growth for CO3 hydrate formation was 1.45 x 10(-3) %hydrate.s(-1) for a stirring velocity about 450 rpm. The study reveals that for our system, an isothermal circulation loop, the kinetic varied from 5.45 x 10(-3) and 8.37 x 10(-3) %hydrate.s(-1), respectively with water and water-additives selected for their dispersive and promoter properties.
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页码：200 / +
页数：2
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