Enhancing the Separation Performance of Chitosan Membranes Through the Blending with Deep Eutectic Solvents for the Pervaporation of Polar/Non-Polar Organic Mixtures
This study explores the development of chitosan-based membranes blended with three distinct deep eutectic solvents (DESs) for the pervaporation separation of methanol and methyl <i>tert</i>-butyl ether. DESs were selected for their eco-friendly properties and their potential to enhance m...
Saved in:
| Main Authors: | , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2024-11-01
|
| Series: | Membranes |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2077-0375/14/11/237 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1846152980106051584 |
|---|---|
| author | Francesco Galiano Asma Msahel Francesca Russo Natalia Rovella Alfonso Policicchio Sofiane Ben Hamouda Amor Hafiane Roberto Castro-Muñoz Alberto Figoli |
| author_facet | Francesco Galiano Asma Msahel Francesca Russo Natalia Rovella Alfonso Policicchio Sofiane Ben Hamouda Amor Hafiane Roberto Castro-Muñoz Alberto Figoli |
| author_sort | Francesco Galiano |
| collection | DOAJ |
| description | This study explores the development of chitosan-based membranes blended with three distinct deep eutectic solvents (DESs) for the pervaporation separation of methanol and methyl <i>tert</i>-butyl ether. DESs were selected for their eco-friendly properties and their potential to enhance membrane performance. The chitosan (CS) membranes, both crosslinked and non-crosslinked, were characterized in terms of morphology, chemical composition, wettability, mechanical resistance, and solvent uptake. Pervaporation tests revealed that incorporating DESs significantly enhanced the membranes’ selective permeability toward methanol, with up to a threefold increase in separation efficiency compared to pristine CS membranes. The membranes demonstrated a strong dependence on feed temperature, with higher temperatures improving permeation flux but reducing separation factor. Crosslinking with glutaraldehyde further increased membrane selectivity by reducing free volume into the polymer matrix. These findings underscore the potential of DESs as green additives for improving the performance of biopolymer membranes, making them promising candidates for efficient and eco-friendly organic–organic separations. |
| format | Article |
| id | doaj-art-1b483ad95d7042bcac0327ff9a23aa19 |
| institution | Kabale University |
| issn | 2077-0375 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Membranes |
| spelling | doaj-art-1b483ad95d7042bcac0327ff9a23aa192024-11-26T18:12:58ZengMDPI AGMembranes2077-03752024-11-01141123710.3390/membranes14110237Enhancing the Separation Performance of Chitosan Membranes Through the Blending with Deep Eutectic Solvents for the Pervaporation of Polar/Non-Polar Organic MixturesFrancesco Galiano0Asma Msahel1Francesca Russo2Natalia Rovella3Alfonso Policicchio4Sofiane Ben Hamouda5Amor Hafiane6Roberto Castro-Muñoz7Alberto Figoli8Institute on Membrane Technology (CNR-ITM), Via P. Bucci 17/c, 87036 Rende, CS, ItalyLaboratory of Water Membrane and Environmental Biotechnology (LMBE), CERTE BP 273, Soliman 8020, TunisiaInstitute on Membrane Technology (CNR-ITM), Via P. Bucci 17/c, 87036 Rende, CS, ItalyInstitute on Membrane Technology (CNR-ITM), Via P. Bucci 17/c, 87036 Rende, CS, ItalyDepartment of Physics, Università della Calabria, Via P. Bucci, Cubo 31C, 87036 Rende, CS, ItalyCentre for Research on Microelectronics and Nanotechnology (CRMN) of Sousse, Sousse 4054, TunisiaLaboratory of Water Membrane and Environmental Biotechnology (LMBE), CERTE BP 273, Soliman 8020, TunisiaFaculty of Civil and Environmental Engineering, Department of Sanitary Engineering, Gdansk University of Technology, 11/12 Narutowicza St., 80-233 Gdansk, PolandInstitute on Membrane Technology (CNR-ITM), Via P. Bucci 17/c, 87036 Rende, CS, ItalyThis study explores the development of chitosan-based membranes blended with three distinct deep eutectic solvents (DESs) for the pervaporation separation of methanol and methyl <i>tert</i>-butyl ether. DESs were selected for their eco-friendly properties and their potential to enhance membrane performance. The chitosan (CS) membranes, both crosslinked and non-crosslinked, were characterized in terms of morphology, chemical composition, wettability, mechanical resistance, and solvent uptake. Pervaporation tests revealed that incorporating DESs significantly enhanced the membranes’ selective permeability toward methanol, with up to a threefold increase in separation efficiency compared to pristine CS membranes. The membranes demonstrated a strong dependence on feed temperature, with higher temperatures improving permeation flux but reducing separation factor. Crosslinking with glutaraldehyde further increased membrane selectivity by reducing free volume into the polymer matrix. These findings underscore the potential of DESs as green additives for improving the performance of biopolymer membranes, making them promising candidates for efficient and eco-friendly organic–organic separations.https://www.mdpi.com/2077-0375/14/11/237deep eutectic solventsmembranespervaporationchitosanorganic/organic separation |
| spellingShingle | Francesco Galiano Asma Msahel Francesca Russo Natalia Rovella Alfonso Policicchio Sofiane Ben Hamouda Amor Hafiane Roberto Castro-Muñoz Alberto Figoli Enhancing the Separation Performance of Chitosan Membranes Through the Blending with Deep Eutectic Solvents for the Pervaporation of Polar/Non-Polar Organic Mixtures Membranes deep eutectic solvents membranes pervaporation chitosan organic/organic separation |
| title | Enhancing the Separation Performance of Chitosan Membranes Through the Blending with Deep Eutectic Solvents for the Pervaporation of Polar/Non-Polar Organic Mixtures |
| title_full | Enhancing the Separation Performance of Chitosan Membranes Through the Blending with Deep Eutectic Solvents for the Pervaporation of Polar/Non-Polar Organic Mixtures |
| title_fullStr | Enhancing the Separation Performance of Chitosan Membranes Through the Blending with Deep Eutectic Solvents for the Pervaporation of Polar/Non-Polar Organic Mixtures |
| title_full_unstemmed | Enhancing the Separation Performance of Chitosan Membranes Through the Blending with Deep Eutectic Solvents for the Pervaporation of Polar/Non-Polar Organic Mixtures |
| title_short | Enhancing the Separation Performance of Chitosan Membranes Through the Blending with Deep Eutectic Solvents for the Pervaporation of Polar/Non-Polar Organic Mixtures |
| title_sort | enhancing the separation performance of chitosan membranes through the blending with deep eutectic solvents for the pervaporation of polar non polar organic mixtures |
| topic | deep eutectic solvents membranes pervaporation chitosan organic/organic separation |
| url | https://www.mdpi.com/2077-0375/14/11/237 |
| work_keys_str_mv | AT francescogaliano enhancingtheseparationperformanceofchitosanmembranesthroughtheblendingwithdeepeutecticsolventsforthepervaporationofpolarnonpolarorganicmixtures AT asmamsahel enhancingtheseparationperformanceofchitosanmembranesthroughtheblendingwithdeepeutecticsolventsforthepervaporationofpolarnonpolarorganicmixtures AT francescarusso enhancingtheseparationperformanceofchitosanmembranesthroughtheblendingwithdeepeutecticsolventsforthepervaporationofpolarnonpolarorganicmixtures AT nataliarovella enhancingtheseparationperformanceofchitosanmembranesthroughtheblendingwithdeepeutecticsolventsforthepervaporationofpolarnonpolarorganicmixtures AT alfonsopolicicchio enhancingtheseparationperformanceofchitosanmembranesthroughtheblendingwithdeepeutecticsolventsforthepervaporationofpolarnonpolarorganicmixtures AT sofianebenhamouda enhancingtheseparationperformanceofchitosanmembranesthroughtheblendingwithdeepeutecticsolventsforthepervaporationofpolarnonpolarorganicmixtures AT amorhafiane enhancingtheseparationperformanceofchitosanmembranesthroughtheblendingwithdeepeutecticsolventsforthepervaporationofpolarnonpolarorganicmixtures AT robertocastromunoz enhancingtheseparationperformanceofchitosanmembranesthroughtheblendingwithdeepeutecticsolventsforthepervaporationofpolarnonpolarorganicmixtures AT albertofigoli enhancingtheseparationperformanceofchitosanmembranesthroughtheblendingwithdeepeutecticsolventsforthepervaporationofpolarnonpolarorganicmixtures |