2010
DOI: 10.1002/aic.12462
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Thermodynamic consistency test for experimental data of water content of methane

Abstract: Accurate knowledge of the water content of natural gases is an important factor to estimate the gas hydrate, ice, and condensed water formation conditions. However, the experimental data regarding the water content of gases in equilibrium with the gas hydrate, ice, or liquid water (near gas hydrate or ice formation region) are limited. This is partly because of the fact that concentration of water in the gaseous phase in equilibrium with gas hydrate, ice or liquid water (near gas hydrate or ice formation regio… Show more

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Cited by 41 publications
(96 citation statements)
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“…The error propagation method [15] has been used for the evaluation of the boundaries for these deviations at constant pressure. Considering mole fraction of wax in the gas phase as the independent measured variable and A f as the dependent measured variable, the error in the calculated areas, E A , and the percent error, %E A can be obtained using following equations [16,17]:…”
Section: Thermodynamic Consistency Testmentioning
confidence: 99%
“…The error propagation method [15] has been used for the evaluation of the boundaries for these deviations at constant pressure. Considering mole fraction of wax in the gas phase as the independent measured variable and A f as the dependent measured variable, the error in the calculated areas, E A , and the percent error, %E A can be obtained using following equations [16,17]:…”
Section: Thermodynamic Consistency Testmentioning
confidence: 99%
“…Eslamimanesh et al also used this method to study the thermodynamic consistency of experimental data for water content of methane, the amount of sulfur with hydrogen sulfide, the solubility of carbon dioxide and methane in water inside and outside the hydrate formation region, and the phase behavior of supercritical carbon dioxide and ionic liquids . Mohammadi et al used the same method to study the thermodynamic consistency of experimental data on the solubility of wax in the gas phase and the glycol loss in a gaseous system .…”
Section: Introductionmentioning
confidence: 99%
“…This can be expected by the corresponding experimental measurements of such properties (beside the integrity of the processes' design), which are obtained through accurate experimental procedures/techniques and apparatuses in modern laboratories. However, the broad experimental efforts, since the past two centuries, indicate that generating these kinds of data are intrinsically time‐consuming, costly, and with probable non‐negligible uncertainties mainly due to very high (or very low) temperature/pressure conditions, extremely low compositions of a particular species in the mixtures, inappropriate design of the apparatuses, unreliable experimental techniques, human mistakes during the measurements, carelessness in calibration of the instruments, and so forth …”
Section: Introductionmentioning
confidence: 99%