Benedict equation of state: Application to vapor—liquid equilibria

Cullen, Edward; Kobe, Kenneth A.

doi:10.1002/aic.690010411

Cited by 25 publications

(6 citation statements)

References 9 publications

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“…The impetus for this work is twofold. Two previous workers using this solubility apparatus (Cukor (4,5,6) and Chappelow (2, 3)) studied exclusively hydrocarbon solutes. Thus one purpose for this work is to add to the previously reported data the solubilities of several nonhydrocarbon gases.…”

Section: Comparison Of Methods Of Predictionmentioning

confidence: 99%

Isothermal Joule-Thomson coefficients in mixtures of methane and carbon dioxide

Ng¹,

Mather²

1976

J. Chem. Eng. Data

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Section: Comparison Of Methods Of Predictionmentioning

confidence: 99%

Isothermal Joule-Thomson coefficients in mixtures of methane and carbon dioxide

Ng¹,

Mather²

1976

J. Chem. Eng. Data

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“…Although the pure, component properties of C02 are well correlated with the parameters given by Cullen and Kobe (1955), their use with the Equation 13 mixing rules predicts very poor liquid-vapor phase equilibria. Again, as was the case with hydrocarbons of large carbon number difference, the original mixing rules do not properly account for solution nonideality.…”

Section: Modified Benedict Equation For Mixturesmentioning

confidence: 99%

Prediction and Correlation of Phase Equilibria and Thermal Properties with the BWR Equation of State

Orye¹

1969

Ind. Eng. Chem. Proc. Des. Dev.

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“…C"* = a' + 6'(10'3)T + c'(lCT6)T2 + d'(10'9) T3 (9) where for ammonia in the temperature range 273°to 1500°K. : a' = 6.5846, b' = 6.1251, c' = 2.3663, d' = 1.5981.…”

Section: Coefficients For Ammoniamentioning

confidence: 99%

Application of Benedict-Webb-Rubin Equation of State to Ammonia.

Ramalho¹,

Frizelle²

1965

J. Chem. Eng. Data

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have shown, methods of approximating the acentric factor do not always match the value calculated from the definition.The exponents of Tc -T do not correlate well because this simple formula is not exact. As can be seen from the figures, the latent heat varies in a manner slightly more complicated than (Tc -T)n. CONCLUSIONThe latent heat equation L = k (Tc -T)n has been fitted for 44 substances with an average value of n of 0.378. This value is little different from 0.38 proposed by Watson (58) in 1931. The exponent was found to be a random variable against various parameters that might have been expected to correlate it. P-H Diagram for Freon 116, undated. (29) DuPont de Nemours, E. I. & Co., Wilmington, Del., DuPont Tech. Bull. B-2,1962.

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Benedict equation of state: Application to vapor—liquid equilibria

Cited by 25 publications

References 9 publications

Isothermal Joule-Thomson coefficients in mixtures of methane and carbon dioxide

Isothermal Joule-Thomson coefficients in mixtures of methane and carbon dioxide

Prediction and Correlation of Phase Equilibria and Thermal Properties with the BWR Equation of State

Application of Benedict-Webb-Rubin Equation of State to Ammonia.

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