| Autor: |
Azizia Harmes, Aulia Chintia Ambarita, Nasrul Arahman, Sri Mulyati |
| Jazyk: |
angličtina |
| Rok vydání: |
2024 |
| Předmět: |
|
| Zdroj: |
South African Journal of Chemical Engineering, Vol 48, Iss , Pp 237-245 (2024) |
| Druh dokumentu: |
article |
| ISSN: |
1026-9185 |
| DOI: |
10.1016/j.sajce.2024.02.008 |
| Popis: |
Fouling on hydrophobic membranes can be eliminated by modification with hydrophilic additives such as dragon blood resin (DBR: bio-polymer) and polyethylene glycol (PEG: non-bio-polymer). In this study, the surface modification of polyvinylidene fluoride (PVDF) membranes with bio/non-bio polymeric additives and their coordination reaction with Fe3+ ions was investigated. Five types of membranes with different compositions were prepared by immersion precipitation phase inversion method. The result showed that membrane M–PD (PVDF/PEG/DBR) improved the membrane hydrophilicity, resulting in high pure water flux (98.7 L.m−2.h−1) and humic acid rejection (99.08 %). However, the coordination reaction with PEG and Fe3+ as well as PEG/DBR and Fe3+ resulted in reduced water and humic acid flux. Coordination reaction successfully increased membrane stability as evidenced by FRR < 100 %. These results will be useful in the design of PVDF-based membranes with bio- or non-biopolymer additives. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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