Gas solubility measurement and modeling for the nitrogen + water system from 274.18 K to 363.02 K

Antonin Chapoy; Amir H. Mohammadi; Bahman Tohidi; Dominique Richon

doi:10.1021/je049869d

Gas solubility measurement and modeling for the nitrogen + water system from 274.18 K to 363.02 K

Antonin Chapoy, Amir H. Mohammadi, Bahman Tohidi, Dominique Richon

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Abstract

New experimental solubility data of N₂ in water are reported over a wide temperature range from (274.18 to 363.02) K and pressures up to 7.16 MPa. A static-analytic apparatus, taking advantage of a pneumatic capillary sampler, is used for fluid sampling. The experimental data generated in this work are compared with those reported in the open literature with good agreement. The Valderrama modification of the Patel-Teja equation of state combined with nondensity-dependent mixing rules is used for modeling the gas-liquid equilibrium. The solubility data generated in this work are used for tuning the binary interaction parameters between nitrogen and water. The model predictions are compared with independent experimental data on nitrogen solubility in water as well as water content of the gas phase. The results are in good agreement, demonstrating reliability of the technique and the thermodynamic approach used in this work.

Original language	English
Pages (from-to)	1110-1115
Number of pages	6
Journal	Journal of Chemical and Engineering Data
Volume	49
Issue number	4
DOIs	https://doi.org/10.1021/je049869d
Publication status	Published - Jul 2004

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title = "Gas solubility measurement and modeling for the nitrogen + water system from 274.18 K to 363.02 K",

abstract = "New experimental solubility data of N2 in water are reported over a wide temperature range from (274.18 to 363.02) K and pressures up to 7.16 MPa. A static-analytic apparatus, taking advantage of a pneumatic capillary sampler, is used for fluid sampling. The experimental data generated in this work are compared with those reported in the open literature with good agreement. The Valderrama modification of the Patel-Teja equation of state combined with nondensity-dependent mixing rules is used for modeling the gas-liquid equilibrium. The solubility data generated in this work are used for tuning the binary interaction parameters between nitrogen and water. The model predictions are compared with independent experimental data on nitrogen solubility in water as well as water content of the gas phase. The results are in good agreement, demonstrating reliability of the technique and the thermodynamic approach used in this work.",

author = "Antonin Chapoy and Mohammadi, {Amir H.} and Bahman Tohidi and Dominique Richon",

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T1 - Gas solubility measurement and modeling for the nitrogen + water system from 274.18 K to 363.02 K

AU - Chapoy, Antonin

AU - Mohammadi, Amir H.

AU - Tohidi, Bahman

AU - Richon, Dominique

PY - 2004/7

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N2 - New experimental solubility data of N2 in water are reported over a wide temperature range from (274.18 to 363.02) K and pressures up to 7.16 MPa. A static-analytic apparatus, taking advantage of a pneumatic capillary sampler, is used for fluid sampling. The experimental data generated in this work are compared with those reported in the open literature with good agreement. The Valderrama modification of the Patel-Teja equation of state combined with nondensity-dependent mixing rules is used for modeling the gas-liquid equilibrium. The solubility data generated in this work are used for tuning the binary interaction parameters between nitrogen and water. The model predictions are compared with independent experimental data on nitrogen solubility in water as well as water content of the gas phase. The results are in good agreement, demonstrating reliability of the technique and the thermodynamic approach used in this work.

AB - New experimental solubility data of N2 in water are reported over a wide temperature range from (274.18 to 363.02) K and pressures up to 7.16 MPa. A static-analytic apparatus, taking advantage of a pneumatic capillary sampler, is used for fluid sampling. The experimental data generated in this work are compared with those reported in the open literature with good agreement. The Valderrama modification of the Patel-Teja equation of state combined with nondensity-dependent mixing rules is used for modeling the gas-liquid equilibrium. The solubility data generated in this work are used for tuning the binary interaction parameters between nitrogen and water. The model predictions are compared with independent experimental data on nitrogen solubility in water as well as water content of the gas phase. The results are in good agreement, demonstrating reliability of the technique and the thermodynamic approach used in this work.

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Gas solubility measurement and modeling for the nitrogen + water system from 274.18 K to 363.02 K

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