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The formation of carbon dioxide hydrate from water sorbed by coals. / Smirnov, Vyacheslav G.; Manakov, Andrey Y.; Dyrdin, Valeriy V. et al.

In: Fuel, Vol. 228, 15.09.2018, p. 123-131.

Research output: Contribution to journalArticlepeer-review

Harvard

Smirnov, VG, Manakov, AY, Dyrdin, VV, Ismagilov, ZR, Mikhailova, ES, Rodionova, TV, Villevald, GV & Malysheva, VY 2018, 'The formation of carbon dioxide hydrate from water sorbed by coals', Fuel, vol. 228, pp. 123-131. https://doi.org/10.1016/j.fuel.2018.04.131

APA

Smirnov, V. G., Manakov, A. Y., Dyrdin, V. V., Ismagilov, Z. R., Mikhailova, E. S., Rodionova, T. V., Villevald, G. V., & Malysheva, V. Y. (2018). The formation of carbon dioxide hydrate from water sorbed by coals. Fuel, 228, 123-131. https://doi.org/10.1016/j.fuel.2018.04.131

Vancouver

Smirnov VG, Manakov AY, Dyrdin VV, Ismagilov ZR, Mikhailova ES, Rodionova TV et al. The formation of carbon dioxide hydrate from water sorbed by coals. Fuel. 2018 Sept 15;228:123-131. doi: 10.1016/j.fuel.2018.04.131

Author

Smirnov, Vyacheslav G. ; Manakov, Andrey Y. ; Dyrdin, Valeriy V. et al. / The formation of carbon dioxide hydrate from water sorbed by coals. In: Fuel. 2018 ; Vol. 228. pp. 123-131.

BibTeX

@article{0d7c53a3f38a444aa8e4b4147e5f789d,
title = "The formation of carbon dioxide hydrate from water sorbed by coals",
abstract = "Experiments on the formation and dissociation of carbon dioxide gas hydrate formed from water that was adsorbed in two sub-bituminous coals and anthracite were carried out. Preliminarily, the coal samples were studied using various physicochemical methods. It was demonstrated that the conditions of the hydrate decomposition in coal do not differ substantially from the equilibrium conditions of carbon dioxide hydrate. In all the cases, the conversion of water to hydrate increases with increasing the pressure of the hydrate former and the initial humidity of coal samples. At the same time, it turned out that the amount of unreacted water in the sample also increases with an increase in the initial humidity of coal sample. A phenomenological model explaining the observed features of the hydrate formation in coal was proposed on the basis of the data obtained. In this model, the hydrate formation in coal is considered as a two-stage process: (1) a partial displacement of coal-sorbed water from the pore space into macropores and on the coal surface due to competitive sorption of carbon dioxide, and (2) the formation of hydrate from water droplets formed in the first stage.",
keywords = "Carbon dioxide, Coal, Gas hydrate, Water adsorption",
author = "Smirnov, {Vyacheslav G.} and Manakov, {Andrey Y.} and Dyrdin, {Valeriy V.} and Ismagilov, {Zinfer R.} and Mikhailova, {Ekaterina S.} and Rodionova, {Tatyana V.} and Villevald, {Galina V.} and Malysheva, {Valentina Y.}",
year = "2018",
month = sep,
day = "15",
doi = "10.1016/j.fuel.2018.04.131",
language = "English",
volume = "228",
pages = "123--131",
journal = "Fuel",
issn = "0016-2361",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - The formation of carbon dioxide hydrate from water sorbed by coals

AU - Smirnov, Vyacheslav G.

AU - Manakov, Andrey Y.

AU - Dyrdin, Valeriy V.

AU - Ismagilov, Zinfer R.

AU - Mikhailova, Ekaterina S.

AU - Rodionova, Tatyana V.

AU - Villevald, Galina V.

AU - Malysheva, Valentina Y.

PY - 2018/9/15

Y1 - 2018/9/15

N2 - Experiments on the formation and dissociation of carbon dioxide gas hydrate formed from water that was adsorbed in two sub-bituminous coals and anthracite were carried out. Preliminarily, the coal samples were studied using various physicochemical methods. It was demonstrated that the conditions of the hydrate decomposition in coal do not differ substantially from the equilibrium conditions of carbon dioxide hydrate. In all the cases, the conversion of water to hydrate increases with increasing the pressure of the hydrate former and the initial humidity of coal samples. At the same time, it turned out that the amount of unreacted water in the sample also increases with an increase in the initial humidity of coal sample. A phenomenological model explaining the observed features of the hydrate formation in coal was proposed on the basis of the data obtained. In this model, the hydrate formation in coal is considered as a two-stage process: (1) a partial displacement of coal-sorbed water from the pore space into macropores and on the coal surface due to competitive sorption of carbon dioxide, and (2) the formation of hydrate from water droplets formed in the first stage.

AB - Experiments on the formation and dissociation of carbon dioxide gas hydrate formed from water that was adsorbed in two sub-bituminous coals and anthracite were carried out. Preliminarily, the coal samples were studied using various physicochemical methods. It was demonstrated that the conditions of the hydrate decomposition in coal do not differ substantially from the equilibrium conditions of carbon dioxide hydrate. In all the cases, the conversion of water to hydrate increases with increasing the pressure of the hydrate former and the initial humidity of coal samples. At the same time, it turned out that the amount of unreacted water in the sample also increases with an increase in the initial humidity of coal sample. A phenomenological model explaining the observed features of the hydrate formation in coal was proposed on the basis of the data obtained. In this model, the hydrate formation in coal is considered as a two-stage process: (1) a partial displacement of coal-sorbed water from the pore space into macropores and on the coal surface due to competitive sorption of carbon dioxide, and (2) the formation of hydrate from water droplets formed in the first stage.

KW - Carbon dioxide

KW - Coal

KW - Gas hydrate

KW - Water adsorption

UR - http://www.scopus.com/inward/record.url?scp=85046167342&partnerID=8YFLogxK

U2 - 10.1016/j.fuel.2018.04.131

DO - 10.1016/j.fuel.2018.04.131

M3 - Article

AN - SCOPUS:85046167342

VL - 228

SP - 123

EP - 131

JO - Fuel

JF - Fuel

SN - 0016-2361

ER -

ID: 12948878