Reply to Comment on “Comparison of Methods for Estimating Critical Properties of Alkyl Esters and Its Mixtures”

García, Manuel; Alba, Juan-José; Gonzalo, Alberto; Sánchez, José Luis; Arauzo, J.

doi:10.1021/je400697n

Cited by 4 publications

(6 citation statements)

References 3 publications

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“…To test the packages, a databank containing experimental density data of FAMEs, FAEEs, and biodiesel was compiled. In a subsequent publication, the authors rectified some misleading aspects of the original work. Their final results suggest the application of the following models for pure FAMEs: Yuan et al ( T b ), Ambrose , ( P c , T c ), Joback and Reid ( V c ), and Lee and Kesler (ω); for pure FAEEs, the use of Marrero and Pardillo’s ( T b, T c , V c ), Wilson and Jasperson’s ( P c ), and Lee and Kesler’s (ω) methods is suggested.…”

Section: Introductionmentioning

confidence: 99%

“…A methodology similar to that of García et al , had been employed by us in a more recent publication . To select the best method for T b , direct comparisons between experimental and estimated data had been performed.…”

Section: Introductionmentioning

confidence: 99%

“…Instead, only on a small amount of a substance's information is required. 45 Although there is a large number of methods in the literature, each A methodology similar to that of Garci ́a et al 57,60 had been employed by us in a more recent publication. 3 To select the best method for T b , direct comparisons between experimental and estimated data had been performed.…”

Section: ■ Introductionmentioning

confidence: 99%

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Estimation of Physical Constants of Biodiesel-Related Fatty Acid Alkyl Esters: Normal Boiling Point, Critical Temperature, Critical Pressure, and Acentric Factor

Evangelista

Carmo

Sant’Ana

2018

Ind. Eng. Chem. Res.

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A comprehensive study regarding the estimation of normal boiling points, critical temperatures, critical pressures, and acentric factors of biodiesel-related esters is presented. Such properties are crucial for simulations of chemical processes involving biodiesel. Although reliable experimental data are available for some esters, their determination for all the existing biodiesel components is an expensive and cumbersome task. In view of that, this work aimed to investigate the performance of group contribution and corresponding state models in the calculation of these properties. The estimation models were tested in terms of accuracy and of the plausibility of combining experimental and calculated values without violating the expected physical behavior for corresponding pairs of esters and for esters belonging to the same homologous series. The main outcome of this work is a recommendation of the most feasible models for engineering applications.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 99%

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Estimation of Physical Constants of Biodiesel-Related Fatty Acid Alkyl Esters: Normal Boiling Point, Critical Temperature, Critical Pressure, and Acentric Factor

Evangelista

Carmo

Sant’Ana

2018

Ind. Eng. Chem. Res.

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“…Meng et al pointed out some drawbacks found on the Garcíás paper. Posteriorly, García et al . published a ratification showing that package number 2 was the best.…”

Section: Introductionmentioning

confidence: 99%

“…Meng et al 48 pointed out some drawbacks found on the Garci ́aś paper. Posteriorly, Garci ́a et al 49 published a ratification showing that package number 2 was the best. However, the authors claimed that more experimental data for ethylic biodiesel are needed for a better conclusion.…”

Section: ■ Introductionmentioning

confidence: 99%

Evaluation of Optimal Methods for Critical Properties and Acentric Factor of Biodiesel Compounds with Their Application on Soave–Redlich–Kwong and Peng–Robinson Equations of State

Carmo

Evangelista²,

Fernandes³

et al. 2015

J. Chem. Eng. Data

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In this work, different methods capable of estimating some properties of fatty acid methyl esters (FAMES) and fatty acid ethyl esters (FAEES) have been evaluated. The results for T b indicated that the methods of Constantinou and Gani and Marrero and Gani should be applied for FAMES and FAEES, respectively. The evaluation of the methods for critical properties and acentric factor was performed by comparisons between the experimental values and output values by the Racket–Soave equation. The results indicated that different packages should be applied for FAMES, FAEES, and hydroxy-esters. For critical volume estimations, the method of Marrero and Pardillo should be used for any alkyl ester present in biodiesel. Three versions of the group contribution (GCVOL) method as well as the Rackett–Soave equation were employed to estimate pure alkyl esters and biodiesel density. All these methods showed good results in moderate temperatures, but only Rackett–Soave is indicated for high temperatures. A final validation of the chosen packages for critical properties and acentric factor was performed by applying the estimated values of these properties on Peng–Robinson and Soave–Redlich–Kwong equations of state. Additionally, a fully predictive translated volume methodology has been proposed and presented good accuracy.

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Vapor–liquid critical properties of components of biodiesel. 2. Ethyl esters of n -alkanoic acids

Nikitin

Popov

2016

Fuel

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Reply to Comment on “Comparison of Methods for Estimating Critical Properties of Alkyl Esters and Its Mixtures”

Cited by 4 publications

References 3 publications

Estimation of Physical Constants of Biodiesel-Related Fatty Acid Alkyl Esters: Normal Boiling Point, Critical Temperature, Critical Pressure, and Acentric Factor

Estimation of Physical Constants of Biodiesel-Related Fatty Acid Alkyl Esters: Normal Boiling Point, Critical Temperature, Critical Pressure, and Acentric Factor

Evaluation of Optimal Methods for Critical Properties and Acentric Factor of Biodiesel Compounds with Their Application on Soave–Redlich–Kwong and Peng–Robinson Equations of State

Vapor–liquid critical properties of components of biodiesel. 2. Ethyl esters of n -alkanoic acids

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