Simultaneous Design of Ionic Liquids and Azeotropic Separation Processes

Brock C. Roughton; John White; Kyle V. Camarda; Rafiqul Gani

doi:10.1016/B978-0-444-54298-4.50094-5

Simultaneous Design of Ionic Liquids and Azeotropic Separation Processes

Brock C. Roughton, John White, Kyle V. Camarda, Rafiqul Gani

Department of Chemical and Biochemical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

Abstract

A methodology for the design of azeotrope separation processes using ionic liquids as entrainers is outlined. A Hildebrand solubility parameter group contribution model has been developed to screen for or design an ionic liquid entrainer that is soluble with the azeotropic components. Using the best candidate, vapor-liquid equilibria data is predicted using a new ionic liquid UNIFAC model that has been developed. The UNIFAC model is used to confirm the breaking of the azeotrope. The methanol-acetone azeotrope at 1 atm is used as an example. The azeotrope was predicted to break with 10 mol % [BMPy][BF4] added. The driving force concept is used to design an extractive distillation process that minimizes energy inputs. The methodology given can be expanded to the use of ionic liquids as entrainers in any azeotropic system of interest.

Original language	English
Title of host publication	21st European Symposium on Computer Aided Process Engineering
Number of pages	2029
Publisher	Elsevier
Publication date	2011
Pages	1578-1582
ISBN (Print)	978-0-444-53895-6
DOIs	https://doi.org/10.1016/B978-0-444-54298-4.50094-5
Publication status	Published - 2011
Event	21st European Symposium on Computer Aided Process Engineering - Chalkidiki, Greece Duration: 29 May 2011 → 1 Jun 2011 http://www.escape-21.gr/

Conference

Conference	21st European Symposium on Computer Aided Process Engineering
Country	Greece
City	Chalkidiki
Period	29/05/2011 → 01/06/2011
Internet address	http://www.escape-21.gr/

Series	Computer Aided Chemical Engineering
Number	29
ISSN	1570-7946

Keywords

Process design
Azeotrope separation
Ionic liquids
Molecular design

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Cite this

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title = "Simultaneous Design of Ionic Liquids and Azeotropic Separation Processes",

abstract = "A methodology for the design of azeotrope separation processes using ionic liquids as entrainers is outlined. A Hildebrand solubility parameter group contribution model has been developed to screen for or design an ionic liquid entrainer that is soluble with the azeotropic components. Using the best candidate, vapor-liquid equilibria data is predicted using a new ionic liquid UNIFAC model that has been developed. The UNIFAC model is used to confirm the breaking of the azeotrope. The methanol-acetone azeotrope at 1 atm is used as an example. The azeotrope was predicted to break with 10 mol % [BMPy][BF4] added. The driving force concept is used to design an extractive distillation process that minimizes energy inputs. The methodology given can be expanded to the use of ionic liquids as entrainers in any azeotropic system of interest.",

keywords = "Process design, Azeotrope separation, Ionic liquids, Molecular design",

author = "Roughton, {Brock C.} and John White and Camarda, {Kyle V.} and Rafiqul Gani",

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booktitle = "21st European Symposium on Computer Aided Process Engineering",

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note = "21st European Symposium on Computer Aided Process Engineering, ESCAPE 21 ; Conference date: 29-05-2011 Through 01-06-2011",

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Roughton, BC, White, J, Camarda, KV & Gani, R 2011, Simultaneous Design of Ionic Liquids and Azeotropic Separation Processes. in 21st European Symposium on Computer Aided Process Engineering. Elsevier, Computer Aided Chemical Engineering, no. 29, pp. 1578-1582, 21st European Symposium on Computer Aided Process Engineering, Chalkidiki, Greece, 29/05/2011. https://doi.org/10.1016/B978-0-444-54298-4.50094-5

Simultaneous Design of Ionic Liquids and Azeotropic Separation Processes. / Roughton, Brock C.; White, John; Camarda, Kyle V.; Gani, Rafiqul.

21st European Symposium on Computer Aided Process Engineering. Elsevier, 2011. p. 1578-1582 (Computer Aided Chemical Engineering; No. 29).

Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review

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T1 - Simultaneous Design of Ionic Liquids and Azeotropic Separation Processes

AU - Roughton, Brock C.

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AU - Camarda, Kyle V.

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N2 - A methodology for the design of azeotrope separation processes using ionic liquids as entrainers is outlined. A Hildebrand solubility parameter group contribution model has been developed to screen for or design an ionic liquid entrainer that is soluble with the azeotropic components. Using the best candidate, vapor-liquid equilibria data is predicted using a new ionic liquid UNIFAC model that has been developed. The UNIFAC model is used to confirm the breaking of the azeotrope. The methanol-acetone azeotrope at 1 atm is used as an example. The azeotrope was predicted to break with 10 mol % [BMPy][BF4] added. The driving force concept is used to design an extractive distillation process that minimizes energy inputs. The methodology given can be expanded to the use of ionic liquids as entrainers in any azeotropic system of interest.

AB - A methodology for the design of azeotrope separation processes using ionic liquids as entrainers is outlined. A Hildebrand solubility parameter group contribution model has been developed to screen for or design an ionic liquid entrainer that is soluble with the azeotropic components. Using the best candidate, vapor-liquid equilibria data is predicted using a new ionic liquid UNIFAC model that has been developed. The UNIFAC model is used to confirm the breaking of the azeotrope. The methanol-acetone azeotrope at 1 atm is used as an example. The azeotrope was predicted to break with 10 mol % [BMPy][BF4] added. The driving force concept is used to design an extractive distillation process that minimizes energy inputs. The methodology given can be expanded to the use of ionic liquids as entrainers in any azeotropic system of interest.

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KW - Azeotrope separation

KW - Ionic liquids

KW - Molecular design

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