Study of Kinetics of Tetrafluoroethane Hydrate Dissociation Using NMR Spectroscopy

被引：0

作者：

Koryakina, V. V. ^{[1
]}

Shitz ^{[1
,3
]}

Portnyagin, A. S. ^{[2
]}

机构：

[1] M K Ammosov North Eastern Fed Univ, Yakutsk, Russia

[2] Russian Acad Sci, Inst Oil & Gas Problems, Siberian Branch, Yakutsk, Russia

[3] Russian Acad Sci, Fed Res Ctr, Yakut Sci Ctr, Siberian Branch, Yakutsk, Russia

来源：

CHEMISTRY AND TECHNOLOGY OF FUELS AND OILS | 2023年 / 59卷 / 04期

关键词：

gas hydrate; hydrate dissociation; dissociation kinetics; Avrami-Erofeev-Kolmogorov model; NMR spectroscopy; WATER;

D O I：

10.1007/s10553-023-01578-6

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The process of 1,1,1,2-tetrafluoroethane (Freon-134a) hydrate dissociation was studied using high-resolution pulsed NMR technique. The diffusional-kinetic nature of the process, its kinetic parameters (rate constant and half-life time), and the characteristic feature that the residual hydrate is stabilized by the products of its dissociation were established experimentally. It was found that this effect abates significantly with rise of temperature and that the activation energy of freon hydrate dissociation is comparable to dissociation of hydrates which are relatively stable at atmospheric pressure.

引用

页码：743 / 747

页数：5

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