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

doi:10.1016/j.memsci.2017.09.061

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

Inorganic Membranes

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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 language	English
Pages (from-to)	150-157
Number of pages	8
Journal	Journal of membrane science
Volume	545
DOIs	https://doi.org/10.1016/j.memsci.2017.09.061
Publication status	Published - 1 Jan 2018

Keywords

Metallic membranes
Pervaporation
Process intensification
SGMD
Joule effect

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10.1016/j.memsci.2017.09.061

Shukla2018processFinal published version, 691 KBLicence: Taverne

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title = "Process intensification by coupling the Joule effect with pervaporation and sweeping gas membrane distillation",

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.",

keywords = "Metallic membranes, Pervaporation, Process intensification, SGMD, Joule effect",

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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.

AU - Vankelecom, I.

AU - Sanchez Marcano, J.

PY - 2018/1/1

Y1 - 2018/1/1

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.

KW - Metallic membranes

KW - Pervaporation

KW - Process intensification

KW - SGMD

KW - Joule effect

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DO - 10.1016/j.memsci.2017.09.061

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VL - 545

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EP - 157

JO - Journal of membrane science

JF - Journal of membrane science

SN - 0376-7388

ER -

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

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Keywords

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