Synergism of Methanol and Magnesium Chloride for Thermodynamic Inhibition of Methane Hydrate

A. P. Semenov; R. I. Mendgaziev; A. S. Stoporev; Yu F. Gushchina; B. M. Anikushin; P. A. Gushchin; V. N. Khlebnikov

doi:10.1007/s10553-019-00981-2

Synergism of Methanol and Magnesium Chloride for Thermodynamic Inhibition of Methane Hydrate

A. P. Semenov, R. I. Mendgaziev, A. S. Stoporev, Yu F. Gushchina, B. M. Anikushin, P. A. Gushchin, V. N. Khlebnikov

Кафедра неорганической химии ФЕН

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

1 Цитирования (Scopus)

Аннотация

Mixtures of magnesium chloride and MeOH were studied as mixed thermodynamic inhibitors of hydrate formation. The equilibrium P,T-conditions for methane hydrate decomposition in the presence of binary solutions H ₂ O—MeOH and H ₂ O—MgCl ₂ and ternary solutions H ₂ O—MeOH—MgCl ₂ were determined using an isochoric method in a stirred autoclave. Measurements were made at pressures of 3.5-9.5 MPa; MeOH concentrations, 0-25 mass%. The salt content in the aqueous solutions was constant at 5 mass%. The results showed that mixed samples containing MeOH and MgCl ₂ gave the largest thermodynamic shifts of hydrate formation as compared to samples with MeOH at the same inhibitor mass fraction. The larger thermodynamic shift was related to synergism between the affects of MgCl ₂ and MeOH in the aqueous solution.

Язык оригинала	английский
Страницы (с-по)	738-742
Число страниц	5
Журнал	Chemistry and Technology of Fuels and Oils
Том	54
Номер выпуска	6
DOI	https://doi.org/10.1007/s10553-019-00981-2
Состояние	Опубликовано - 15 янв 2019

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10.1007/s10553-019-00981-2

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title = "Synergism of Methanol and Magnesium Chloride for Thermodynamic Inhibition of Methane Hydrate",

abstract = " Mixtures of magnesium chloride and MeOH were studied as mixed thermodynamic inhibitors of hydrate formation. The equilibrium P,T-conditions for methane hydrate decomposition in the presence of binary solutions H 2 O—MeOH and H 2 O—MgCl 2 and ternary solutions H 2 O—MeOH—MgCl 2 were determined using an isochoric method in a stirred autoclave. Measurements were made at pressures of 3.5-9.5 MPa; MeOH concentrations, 0-25 mass%. The salt content in the aqueous solutions was constant at 5 mass%. The results showed that mixed samples containing MeOH and MgCl 2 gave the largest thermodynamic shifts of hydrate formation as compared to samples with MeOH at the same inhibitor mass fraction. The larger thermodynamic shift was related to synergism between the affects of MgCl 2 and MeOH in the aqueous solution. ",

keywords = "gas hydrates, hydrate-formation inhibitors, MeOH, MgC1",

author = "Semenov, {A. P.} and Mendgaziev, {R. I.} and Stoporev, {A. S.} and Gushchina, {Yu F.} and Anikushin, {B. M.} and Gushchin, {P. A.} and Khlebnikov, {V. N.}",

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Synergism of Methanol and Magnesium Chloride for Thermodynamic Inhibition of Methane Hydrate. / Semenov, A. P.; Mendgaziev, R. I.; Stoporev, A. S.; Gushchina, Yu F.; Anikushin, B. M.; Gushchin, P. A.; Khlebnikov, V. N.

В: Chemistry and Technology of Fuels and Oils, Том 54, № 6, 15.01.2019, стр. 738-742.

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

TY - JOUR

T1 - Synergism of Methanol and Magnesium Chloride for Thermodynamic Inhibition of Methane Hydrate

AU - Semenov, A. P.

AU - Mendgaziev, R. I.

AU - Stoporev, A. S.

AU - Gushchina, Yu F.

AU - Anikushin, B. M.

AU - Gushchin, P. A.

AU - Khlebnikov, V. N.

PY - 2019/1/15

Y1 - 2019/1/15

N2 - Mixtures of magnesium chloride and MeOH were studied as mixed thermodynamic inhibitors of hydrate formation. The equilibrium P,T-conditions for methane hydrate decomposition in the presence of binary solutions H 2 O—MeOH and H 2 O—MgCl 2 and ternary solutions H 2 O—MeOH—MgCl 2 were determined using an isochoric method in a stirred autoclave. Measurements were made at pressures of 3.5-9.5 MPa; MeOH concentrations, 0-25 mass%. The salt content in the aqueous solutions was constant at 5 mass%. The results showed that mixed samples containing MeOH and MgCl 2 gave the largest thermodynamic shifts of hydrate formation as compared to samples with MeOH at the same inhibitor mass fraction. The larger thermodynamic shift was related to synergism between the affects of MgCl 2 and MeOH in the aqueous solution.

AB - Mixtures of magnesium chloride and MeOH were studied as mixed thermodynamic inhibitors of hydrate formation. The equilibrium P,T-conditions for methane hydrate decomposition in the presence of binary solutions H 2 O—MeOH and H 2 O—MgCl 2 and ternary solutions H 2 O—MeOH—MgCl 2 were determined using an isochoric method in a stirred autoclave. Measurements were made at pressures of 3.5-9.5 MPa; MeOH concentrations, 0-25 mass%. The salt content in the aqueous solutions was constant at 5 mass%. The results showed that mixed samples containing MeOH and MgCl 2 gave the largest thermodynamic shifts of hydrate formation as compared to samples with MeOH at the same inhibitor mass fraction. The larger thermodynamic shift was related to synergism between the affects of MgCl 2 and MeOH in the aqueous solution.

KW - gas hydrates

KW - hydrate-formation inhibitors

KW - MeOH

KW - MgC1

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