| A | Filtration area (m2) |
| LP | Hydraulic permeability (Lh−1bar−1m−2) |
| L P0 | Hydraulic permeability for the pristine membrane (Lh−1bar−1m−2) |
| TMP | Transmembrane pressure (bar) |
| Δt | Duration of nanofiltration test (h) |
| V | Permeate volume (L) |
| Acronym list | |
| ATR | Attenuated total reflectance |
| COD | Chemical oxygen demand |
| DI | Distilled |
| EDS | Energy dispersive spectroscopy |
| FT−IR | Fourier-transform infrared spectroscopy |
| ICP-AES | Inductively coupled plasma atomic emission spectroscopy |
| MWCO | Molecular weight cut-off |
| NF | Nanofiltration |
| O&G | Oil and grease |
| PAHs | Polycyclic aromatic hydrocarbons |
| SEM | Scanning electron spectroscopy |
| SDD | Silicon drift detector |
| SMEWW | Standard method for examination of water and wastewater |
| PES | Polyethersulfone |
| PS | Polysulfone |
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