Abstract
A flawless, extremely loose, membrane, efficient for multivalent ions separation, has been successfully synthesized by the in-situ formation approach. The as-synthesized nanofiltration (NF) membrane, NF_PES-Zr, proceeded from a thin film layer of nanoparticles (NPs) zirconium that coated the platform of the polyethersulfone (PES) ultrafiltration (UF) membrane through a bio-glue made from dopamine hydrochloric and sodium bicarbonate buffer. The estimation of the average pore size of the novel organic-inorganic NF membrane NF_PES-Zr using the filtration velocity approach of Guerout-Elford-Ferry was close to 0.9 nm. NF_PES-Zr membrane holds a record in permeate water flux release of about 62.5 L:m-2:h-1 and was revealed to be effective for multivalent ions separation. A 5 days-test performed on NF_PES-Zr demonstrated its long-term stability and showed a rejection rate of 93.4% and 37.8%
| Original language | English |
|---|---|
| Pages (from-to) | 3344-3355 |
| Number of pages | 12 |
| Journal | Water Supply |
| Volume | 21 |
| Issue number | 7 |
| DOIs | |
| State | Published - 1 Nov 2021 |
| Externally published | Yes |
Keywords
- Ions rejection
- Nanofiltration
- Nanoparticle
- Organic-inorganic membrane
- Polyethersulfone
- Zirconium
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