Preparation and characterization of supported ionic liquid membrane based on [EMIM][TFSI]/non-solvent/NMP/PSF for gas separation
As the world becomes more concerned about environmental issues, industries have been continuously researching on safe and environmentally friendly alternatives. Ionic liquids have been widely reported as ‘green’ solvents due to their unique properties such as negligible vapour pressure. Hence, the a...
| Main Author: | |
|---|---|
| Other Authors: | |
| Format: | Final Year Project (FYP) |
| Language: | English |
| Published: |
2013
|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10356/53627 |
| _version_ | 1826114830449246208 |
|---|---|
| author | Tang, Georgina YanJie. |
| author2 | Lua Aik Chong |
| author_facet | Lua Aik Chong Tang, Georgina YanJie. |
| author_sort | Tang, Georgina YanJie. |
| collection | NTU |
| description | As the world becomes more concerned about environmental issues, industries have been continuously researching on safe and environmentally friendly alternatives. Ionic liquids have been widely reported as ‘green’ solvents due to their unique properties such as negligible vapour pressure. Hence, the application of ionic liquid for gas separation has been widely studied in the recent years.
The purpose of this project was to investigate the effect of coagulation bath and the influence of ionic liquid on the structure and performance of polysulfone membrane. A polymer solution was obtained by dissolving 25.7 g of polysulfone crystals in 100 ml of NMP. Thin film polysulfone membranes were prepared via phase inversion after being spin-coated on a carbon substrate. Ionic liquid, [Emim][Tf2N], was applied after the pure polymeric membranes were dried in the oven.
Four membrane samples had been produced using different coagulant media. They were ethylene glycol, deionised water, ethanol and isopropyl alcohol. The permeability of the membranes was examined using a single gas feed permeation rig, where helium and nitrogen gas were used. Morphology of the membranes was examined using a scanning electron microscope. The amount of ionic liquid in the membrane was examined using fourier transform infrared spectroscopy. The results were then correlated to the gas separation performance of nitrogen and helium gases. |
| first_indexed | 2024-10-01T03:45:36Z |
| format | Final Year Project (FYP) |
| id | ntu-10356/53627 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T03:45:36Z |
| publishDate | 2013 |
| record_format | dspace |
| spelling | ntu-10356/536272023-03-04T19:29:18Z Preparation and characterization of supported ionic liquid membrane based on [EMIM][TFSI]/non-solvent/NMP/PSF for gas separation Tang, Georgina YanJie. Lua Aik Chong School of Mechanical and Aerospace Engineering DRNTU::Engineering::Chemical engineering::Polymers and polymer manufacture As the world becomes more concerned about environmental issues, industries have been continuously researching on safe and environmentally friendly alternatives. Ionic liquids have been widely reported as ‘green’ solvents due to their unique properties such as negligible vapour pressure. Hence, the application of ionic liquid for gas separation has been widely studied in the recent years. The purpose of this project was to investigate the effect of coagulation bath and the influence of ionic liquid on the structure and performance of polysulfone membrane. A polymer solution was obtained by dissolving 25.7 g of polysulfone crystals in 100 ml of NMP. Thin film polysulfone membranes were prepared via phase inversion after being spin-coated on a carbon substrate. Ionic liquid, [Emim][Tf2N], was applied after the pure polymeric membranes were dried in the oven. Four membrane samples had been produced using different coagulant media. They were ethylene glycol, deionised water, ethanol and isopropyl alcohol. The permeability of the membranes was examined using a single gas feed permeation rig, where helium and nitrogen gas were used. Morphology of the membranes was examined using a scanning electron microscope. The amount of ionic liquid in the membrane was examined using fourier transform infrared spectroscopy. The results were then correlated to the gas separation performance of nitrogen and helium gases. Bachelor of Engineering (Mechanical Engineering) 2013-06-06T06:51:15Z 2013-06-06T06:51:15Z 2013 2013 Final Year Project (FYP) http://hdl.handle.net/10356/53627 en Nanyang Technological University 77 p. application/pdf |
| spellingShingle | DRNTU::Engineering::Chemical engineering::Polymers and polymer manufacture Tang, Georgina YanJie. Preparation and characterization of supported ionic liquid membrane based on [EMIM][TFSI]/non-solvent/NMP/PSF for gas separation |
| title | Preparation and characterization of supported ionic liquid membrane based on [EMIM][TFSI]/non-solvent/NMP/PSF for gas separation |
| title_full | Preparation and characterization of supported ionic liquid membrane based on [EMIM][TFSI]/non-solvent/NMP/PSF for gas separation |
| title_fullStr | Preparation and characterization of supported ionic liquid membrane based on [EMIM][TFSI]/non-solvent/NMP/PSF for gas separation |
| title_full_unstemmed | Preparation and characterization of supported ionic liquid membrane based on [EMIM][TFSI]/non-solvent/NMP/PSF for gas separation |
| title_short | Preparation and characterization of supported ionic liquid membrane based on [EMIM][TFSI]/non-solvent/NMP/PSF for gas separation |
| title_sort | preparation and characterization of supported ionic liquid membrane based on emim tfsi non solvent nmp psf for gas separation |
| topic | DRNTU::Engineering::Chemical engineering::Polymers and polymer manufacture |
| url | http://hdl.handle.net/10356/53627 |
| work_keys_str_mv | AT tanggeorginayanjie preparationandcharacterizationofsupportedionicliquidmembranebasedonemimtfsinonsolventnmppsfforgasseparation |