Stability Limit Trend for Cyclohexane as a Representative Naphthenic Compound

Babalola, F. U.; Susu, Alfred A.

doi:10.1080/10916460802455665

Cited by 1 publication

(3 citation statements)

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“…This will save a lot of computation efforts presently being lost due to false solutions, trivial solutions, local minima, and poor initial guesses. A novel work on stability limit trends for pure systems was reported for cyclohexane [6]. It is here extended to LNG systems.…”

Section: Stability Limit Profilementioning

confidence: 99%

“…In this work, Eqs. 5and (6) were used to determine the stability limits for LNG constituents namely; methane, ethane, propane, and butane as given in Table 1.…”

Section: Model For Pure Systemsmentioning

confidence: 99%

“…These mixing rules were employed along with Eqs. (5) and (6) to determine stability limits at various T values for the LNG mixture.…”

Section: Extension To Mixturesmentioning

confidence: 99%

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Determination of limit of stability profiles for liquefied natural gas: a thermodynamic approach

Babalola

Ogunkoya

2018

Appl Petrochem Res

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Efficient design, operation, handling, and transportation of natural gas as liquefied natural gas (LNG) are controlled by its phase behavior. A phase, in a non-reacting system, is known to be stable when it is at its lowest Gibbs energy; an alternative criterion to the minimization of the Gibbs energy is presented for phase stability status determination of pure systems and mixtures. On this premise, the stability limit determination method by the Helmholtz stability criterion was employed for the determination of stability limits which were used to successfully generate stability limit profiles for LNG and its constituents. To further investigate the metastable region, a new and robust model was developed and successfully used to produce vapor and liquid spinodals as well as binodal curves for the LNG constituents. The model accurately predicted the critical points and was shown to be in very close agreement with the available predicted and experimental results.

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Section: Stability Limit Profilementioning

confidence: 99%

“…In this work, Eqs. 5and (6) were used to determine the stability limits for LNG constituents namely; methane, ethane, propane, and butane as given in Table 1.…”

Section: Model For Pure Systemsmentioning

confidence: 99%