Formation of Methane Hydrate in Frozen Powdered Soy Lecithin Solutions

被引：1

作者：

Pletneva, K. A. ^{[1
]}

Kibkalo, A. A. ^{[1
]}

Zhingel, P. ^{[1
]}

Drachuk, A. O. ^{[1
]}

Pandey, G. ^{[1
,2
]}

Molokitina, N. S. ^{[1
]}

机构：

[1] Russian Acad Sci, Tyumen Sci Ctr, Earth Cryosphere Inst, Siberian Branch, Tyumen, Russia

[2] Univ Petr & Energy Studies UPES, Dehra Dun, India

来源：

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

基金：

俄罗斯基础研究基金会;

关键词：

gas hydrate; methane hydrate; gas transportation and storage; soy lecithin; surface tension; biodegradable promoter; surfactant; ice powder; NMR; GAS; KINETICS;

D O I：

10.1007/s10553-023-01569-7

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：

This article presents the results of experimental studies of the kinetics of methane hydrate formation from frozen ground soy lecithin (particle size 80-140 mu m) solutions with lecithin concentrations from 0.1 to 1 wt. % at 273.2 K temperature and initial pressure of about 5 MPa without stirring. It was observed that the presence of soy lecithin additive in frozen powdered solutions enhances the water-to-methane hydrate conversion ratio roughly twofold compared to ground ice. The proposed mechanisms of promotion of methane hydrate formation in frozen powdered soy lecithin solutions are described by use of nuclear magnetic resonance (NMR) spectroscopy, viscometry, and optical microscopy.

引用

页码：692 / 698

页数：7

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