Replacement of Methane in the Hydrate Bed by Liquid Carbon Dioxide

A mathematical model is presented and numerical solutions have been constructed for the problem on injecting liquid carbon dioxide into a bed consisting of a skeleton, methane hydrate, and pores filled with methane. It is assumed that the process has two stages. At the first, short stage, displaceme...

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Bibliographic Details
Published inJournal of engineering physics and thermophysics Vol. 90; no. 6; pp. 1353 - 1361
Main Authors Shagapov, V. Sh, Yumagulova, Yu. A., Shepel’kevich, O. A.
Format Journal Article
LanguageEnglish
Published New York Springer US 01.11.2017
Springer
Springer Nature B.V
Subjects
Analysis
Carbon dioxide
Classical Mechanics
Complex Systems
Engineering
Engineering Thermodynamics
Heat and Mass Transfer
Heat and Mass Transfer in Disperse and Porous Media
Industrial Chemistry/Chemical Engineering
Mathematical models
Methane
Methane hydrate
Thermodynamics
carbon dioxide hydrate
methane hydrate
piston displacement of free gas
methane dissolution
liquid carbon dioxide
replacement of methane
hydrate formation kinetics
filtration of liquid carbon dioxide
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Summary:A mathematical model is presented and numerical solutions have been constructed for the problem on injecting liquid carbon dioxide into a bed consisting of a skeleton, methane hydrate, and pores filled with methane. It is assumed that the process has two stages. At the first, short stage, displacement of the free gas from the pores takes place. At the second, longer stage, replacement of methane by carbon dioxide in the hydrate state and its dissolution occur. The flow rates of carbon dioxide and methane, as well as their mass in the considered period of time have been considered.
ISSN:1062-0125
1573-871X
DOI:10.1007/s10891-017-1693-8