Process intensification by coupling the Joule effect with pervaporation and sweeping gas membrane distillation

S. Shukla, J.P. Méricq, M.P. Belleville, N. Hengl, N.E. Benes, I. Vankelecom, J. Sanchez Marcano* (Corresponding Author)

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

5 Citations (Scopus)
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Abstract

This work concerns the intensification of membrane processes by coupling the Joule effect with two membrane processes: pervaporation and sweeping gas membrane distillation. For this purpose, conducting metallic hollow fibers impregnated or coated with polydimethyl siloxane were simultaneously used as membrane and heating electric resistance. The application of an electrical potential resulted in an enhancement of 40% of the water vapor permeate flux in sweep gas membrane distillation. However, the flux enhancement is the result not only of the heating on the membrane vicinity but also on the enhancement of the feed temperature. In the case of pervaporation of aqueous ethanol solutions (20%), the direct heating of fibers allowed improving by 100% the ethanol permeate flux while increasing the process selectivity.

Original languageEnglish
Pages (from-to)150-157
Number of pages8
JournalJournal of membrane science
Volume545
DOIs
Publication statusPublished - 1 Jan 2018

Fingerprint

Pervaporation
Distillation
distillation
Gases
membranes
Membranes
gases
Heating
Fluxes
heating
augmentation
Ethanol
ethyl alcohol
Siloxanes
Electric heating
fibers
Fibers
siloxanes
Steam
Electric Impedance

Keywords

  • Metallic membranes
  • Pervaporation
  • Process intensification
  • SGMD
  • Joule effect

Cite this

Shukla, S. ; Méricq, J.P. ; Belleville, M.P. ; Hengl, N. ; Benes, N.E. ; Vankelecom, I. ; Sanchez Marcano, J. / Process intensification by coupling the Joule effect with pervaporation and sweeping gas membrane distillation. In: Journal of membrane science. 2018 ; Vol. 545. pp. 150-157.
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abstract = "This work concerns the intensification of membrane processes by coupling the Joule effect with two membrane processes: pervaporation and sweeping gas membrane distillation. For this purpose, conducting metallic hollow fibers impregnated or coated with polydimethyl siloxane were simultaneously used as membrane and heating electric resistance. The application of an electrical potential resulted in an enhancement of 40{\%} of the water vapor permeate flux in sweep gas membrane distillation. However, the flux enhancement is the result not only of the heating on the membrane vicinity but also on the enhancement of the feed temperature. In the case of pervaporation of aqueous ethanol solutions (20{\%}), the direct heating of fibers allowed improving by 100{\%} the ethanol permeate flux while increasing the process selectivity.",
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Process intensification by coupling the Joule effect with pervaporation and sweeping gas membrane distillation. / Shukla, S.; Méricq, J.P.; Belleville, M.P.; Hengl, N.; Benes, N.E.; Vankelecom, I.; Sanchez Marcano, J. (Corresponding Author).

In: Journal of membrane science, Vol. 545, 01.01.2018, p. 150-157.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Process intensification by coupling the Joule effect with pervaporation and sweeping gas membrane distillation

AU - Shukla, S.

AU - Méricq, J.P.

AU - Belleville, M.P.

AU - Hengl, N.

AU - Benes, N.E.

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N2 - This work concerns the intensification of membrane processes by coupling the Joule effect with two membrane processes: pervaporation and sweeping gas membrane distillation. For this purpose, conducting metallic hollow fibers impregnated or coated with polydimethyl siloxane were simultaneously used as membrane and heating electric resistance. The application of an electrical potential resulted in an enhancement of 40% of the water vapor permeate flux in sweep gas membrane distillation. However, the flux enhancement is the result not only of the heating on the membrane vicinity but also on the enhancement of the feed temperature. In the case of pervaporation of aqueous ethanol solutions (20%), the direct heating of fibers allowed improving by 100% the ethanol permeate flux while increasing the process selectivity.

AB - This work concerns the intensification of membrane processes by coupling the Joule effect with two membrane processes: pervaporation and sweeping gas membrane distillation. For this purpose, conducting metallic hollow fibers impregnated or coated with polydimethyl siloxane were simultaneously used as membrane and heating electric resistance. The application of an electrical potential resulted in an enhancement of 40% of the water vapor permeate flux in sweep gas membrane distillation. However, the flux enhancement is the result not only of the heating on the membrane vicinity but also on the enhancement of the feed temperature. In the case of pervaporation of aqueous ethanol solutions (20%), the direct heating of fibers allowed improving by 100% the ethanol permeate flux while increasing the process selectivity.

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