1 |
Microfiltration and visible-light-driven photocatalysison g-C3N4nanosheet/reduced graphene oxide membrane |
TOC = 21 %, Turbidity = 84% by memberance TOC= 42%, Turbidity = 90% by integrated process |
Time = 1 h. For the g-C3N4NS/RGO/CA (100 gm in 200 mL) membrane under visible light irradiation, the stable permeation flux = 140 L m−2h−1, pH = 7.1. |
50 |
2 |
Solar photocatalysis using TiO2/ZnO/H2O2 to pretreat reverse osmosis (membrane fouling) |
TOC = 76.5% |
Reaction time = 179 min, TiO2 =,0.51 g/L, ZnO = 0.46 g/L, pH= 6.9 and H2O2 = 0.89 mL/L |
51 |
3 |
Photocatalytic by bi-polymer electrospun nanofibers embedding Ag3PO4/P25 composite |
TOC = 86 %, turbidity = 50% |
Reaction time = 150 min, flow rate (5 mL/h), pH = 7 |
52 |
4 |
photocatalysis, Fenton-based processes and ozonation |
TOC < 20%, TOC = 74% by ozonation combined with H2O2
|
Reaction time = 4 h, H2O2/Fe = 0.5O3= 4 g h−1 , H2O2 = 1500 mg L−1 , pH =10, reaction time = 2 h , temperature= 20 °C |
53 |
5 |
hybrid ultrafiltration/ reverse osmosis (UF/RO) systeme |
TOC = 98% |
TMP = 3 bar, CFV =1 m/s, temperature = 40 °C, and pH = 9 |
54 |
6 |
Solar photocatalysis reactor by UV, UV/H2O2, and UV/TiO2 and ultrafiltration membrane fouling |
By UV TOC = 20%, Turbidity = 40% by UV/H2O2 TOC= 30%, Turbidity= 95% by UV/TiO2 TOC = 50%, Turbidity = 87.8% by |
Reaction time of 6 hr., solar radiation of 14.8–18.4 w/m2.hr, pH = 7.0, H2O2 = 15 mg/L, and flow rate = 50 mL/min |
This study |