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6FDA-DAM:DABA Co-Polyimide Mixed Matrix Membranes with GO and ZIF-8 Mixtures for Effective $CO_{2}/CH_{4}$ Separation
| Content Provider | MDPI |
|---|---|
| Author | Audrey, Linkès Roberto, Castro-Muñoz Jain, Anand Ahmad, Mohd Martin-Gil, Violeta Izak, Pavel Sofer, Zdeněk Hintz, Werner Fila, Vlastimil |
| Copyright Year | 2021 |
| Description | This work presents the gas separation evaluation of 6FDA-DAM:DABA (3:1) co-polyimide and its enhanced mixed matrix membranes (MMMs) with graphene oxide (GO) and ZIF-8 (particle size of 2:CH4 binary mixture at 2 bar feed pressure and 25 °C. The pristine 6FDA-copolyimide showed CO2 permeability (P CO2) of 147 Barrer and CO2/CH4 selectivity (α CO2/CH4) of 47.5. At the optimum GO loading (1 wt.%), the P CO2 and α CO2/CH4 were improved by 22% and 7%, respectively. A combination of GO (1 wt.%)/ZIF-8 fillers tremendously improves its P CO2; by 990% for GO/ZIF-8 (5 wt.%) and 1.124% for GO/ZIF-8 (10 wt.%). Regrettably, the MMMs lost their selectivity by 16–55% due to the non-selective filler-polymer interfacial voids. However, the hybrid MMM performances still resided close to the 2019 upper bound and showed good performance stability when tested at different feed pressure conditions. |
| Starting Page | 668 |
| e-ISSN | 20794991 |
| DOI | 10.3390/nano11030668 |
| Journal | Nanomaterials |
| Issue Number | 3 |
| Volume Number | 11 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2021-03-08 |
| Access Restriction | Open |
| Subject Keyword | Nanomaterials Polymer Science 6fda-polyimide Mixed Matrix Membranes Zif-8/go Co2 Separation |
| Content Type | Text |
| Resource Type | Article |
