Role of SiO2 in the Formation of Hydrate Phases in the Presence of CH4/CO2

被引：5

作者：

Bozhko, Yu. Yu. ^{[1
,2
]}

Zhdanov, R. K. ^{[1
,2
]}

Gets, K. V. ^{[1
,2
]}

Subbotin, O. S. ^{[1
,2
]}

Belosludov, V. R. ^{[1
,2
]}

机构：

[1] Novosibirsk State Univ, Novosibirsk 630090, Russia

[2] Russian Acad Sci, Nikolaev Inst Inorgan Chem, Siberian Branch, Novosibirsk 630090, Russia

来源：

RUSSIAN JOURNAL OF INORGANIC CHEMISTRY | 2023年 / 68卷 / 02期

基金：

俄罗斯科学基金会;

关键词：

gas hydrates; nanoparticles; molecular dynamics; computer modeling; greenhouse gases; 134A GAS HYDRATE; METHANE HYDRATE; MOLECULAR-DYNAMICS; NUCLEATION; SIMULATIONS; DISSOCIATION; STABILITY; WATER; CONDENSATION; SURFACTANTS;

D O I：

10.1134/S0036023622602392

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The effect of silicon dioxide nanoparticles on the formation of hydrate phases in the presence of CH4/CO2 has been studied. The theoretical experiment has been carried out by molecular dynamics methods at initial pressures in the system of 2.4 and 1.2 MPa and a temperature of 271 K for methane and carbon dioxide systems. The results showed that in the presence of silicon dioxide nanoparticles, the induction time of the methane hydrate formation decreased by 79%, and the amount of methane trapped in the hydrate cavity increased by 55.8% at a pressure of 2.4 MPa. In the presence of silicon dioxide nanoparticles, the induction time for the formation of carbon dioxide hydrate decreased by 62%, and the amount of carbon dioxide trapped in the hydrate cavity increased by 27.8% at a pressure of 1.2 MPa.

引用

页码：233 / 237

页数：5

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