Identification and analysis of possible splits for azeotropic mixtures—1. Method for column sections

Petlyuk, F. B.; Danilov, R. Yu.; Skouras, Stathis; Skogestad, Sigurd

doi:10.1016/j.ces.2011.02.037

Cited by 13 publications

(16 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…If all components are present in both products, the split is termed nonsharp or sloppy split (e.g. A,B,C,D:A,B,C,D) [79]. While splits with both products on distillation boundaries are sometimes also called sharp splits [80], we will term them highest purity splits, independent of the number of components present in the products.…”

Section: Algorithmic Approaches For the Generation Of Distillation Prmentioning

confidence: 99%

“…Recently, Petlyuk et al [79,88] presented a computational simple method for the identification and analysis of possible splits and product regions for sharp splits. The method is based on an analysis of the pinch branch terminals and can also be used for the synthesis of distillation sequences.…”

Section: Algorithmic Approaches For the Generation Of Distillation Prmentioning

confidence: 99%

See 1 more Smart Citation

Conceptual Design of Azeotropic Distillation Processes

2014

View full text Add to dashboard Cite

Section: Algorithmic Approaches For the Generation Of Distillation Prmentioning

confidence: 99%

Section: Algorithmic Approaches For the Generation Of Distillation Prmentioning

confidence: 99%

Conceptual Design of Azeotropic Distillation Processes

2014

View full text Add to dashboard Cite

“…noniterative method for finding the possible splits at finite reflux ratio of azeotropic distillation based on the identification of the common terminal points of pinch branches in each column section (Petlyuk et al 2011(Petlyuk et al , 2012. Its extension to extractive distillation is in preparation.…”

Section: Case Studymentioning

confidence: 99%

Extractive distillation: recent advances in operation strategies

Shen¹,

Benyounes²,

Gerbaud³

2014

Reviews in Chemical Engineering

View full text Add to dashboard Cite

AbstractExtractive distillation is one of the efficient techniques for separating azeotropic and low-relative-volatility mixtures in various chemical industries. This paper first provides an overview of thermodynamic insight covering residue curve map analysis, the application of univolatility and unidistribution curves, and thermodynamic feasibility study. The pinch-point analysis method combining bifurcation shortcut presents another branch of study, and several achievements have been realized by the identification of possible product cut under the following key parameters: reflux ratio, reboil ratio, and entrainer-feed flow rate ratio. Process operation policies and strategy concerning batch extractive distillation processes are summarized in four operation steps. Several configurations and technological alternatives can be used when extractive distillation processes take place in a continuous or batch column, depending on the strategy selected for the recycle streams and for the main azeotropic feeds.

show abstract

“…To eliminate the shortcomings of the above-mentioned design methods, a new approach for optimal conceptual design of extractive distillation columns/units was developed in this work. This design approach is based on the infinitely sharp split (ISS) method, − which considers that each section of extractive distillation column has an infinite height and that it allows to achieve a sharp split for at least one component of the mixture; that is, this component is only present at one end of this section as depicted in Figure of our previous paper . The main features of the ISS method can be summarized in the following points: The product points for all column sections and for a mixture with any number of components are located on the boundary elements of the composition simplex, that is, vertices, edges, faces, and so forth.…”

Section: Introductionmentioning

confidence: 99%

Using the Method of Infinitely Sharp Splits for the Optimal Design of Extractive Distillation Units. 1. Ternary Mixtures

Petlyuk¹,

Danilov²,

Adiche

2021

Ind. Eng. Chem. Res.

Self Cite

View full text Add to dashboard Cite

In this work, a novel sequential approach for optimal conceptual design of extractive distillation columns for the separation of ternary azeotropic mixtures was developed. This approach is based on the design concepts of the method of infinitely sharp splits. Accordingly, a systematic and simple method for the determination of region of possible mode parameters in extractive section was established. This method also allows a fast and reliable determination of optimal mode parameters in extractive section for the minimum required vapor flow rate and for a specified number of trays in this section. These mode parameters are subsequently used in combination with material balance equations of the column and the tray-to-tray method for the calculation of optimal mode and design parameters in all column sections. It is shown that this design approach is rapid and robust and can readily be applied for the design and synthesis of energy-efficient extractive distillation units including vacuum extractive distillation columns and extractive distillation columns with a dividing wall.

show abstract

Identification and analysis of possible splits for azeotropic mixtures—1. Method for column sections

Cited by 13 publications

References 12 publications

Conceptual Design of Azeotropic Distillation Processes

Conceptual Design of Azeotropic Distillation Processes

Extractive distillation: recent advances in operation strategies

Using the Method of Infinitely Sharp Splits for the Optimal Design of Extractive Distillation Units. 1. Ternary Mixtures

Contact Info

Product

Resources

About