External pressure column ultrafiltration
Ningbo Rixin Hengli Technology is a company
under the "National Thousand Talents Program"
High tech enterprises established by specially appointed experts
| Specifications | A | B | C | L1 | L2 |
| RTL-4060-PVDF | 167 | 115 | 110 | 1163 | 963 |
| Component parameters | Component model | RTL-4046-PVDF |
| Effective membrane area (m2) | 6 | |
| Shell material | UPVC | |
| Casting form | Epoxy resin | |
| Inlet/outlet interface | Φ32-UPVC | |
| Sealing form and material | O-ring/EPDM | |
| Equipment weight (net weight/gross weight, kg) | 4.4/4.8 | |
| APPLICATION PARAMETERS | Filtration flux (25oC) | 40-120 L/m2/hr |
| Flow range | 0.24-0.72 m3/hr | |
| Backwash flux | 100-120 L/m2/hr | |
| Gas wash flow rate during operation | 0.9-2.1 Nm3/hr | |
| PH range during operation | 2-11 | |
| Temperature | 1-40oC | |
| Maximum inlet component pressure (at 20oC) | 6.25 bar | |
| Maximum transmembrane pressure difference during operation | 2.1 bar | |
| Maximum backwash pressure | 2.5 bar | |
| Maximum NaOCl tolerance concentration | 2,000 mg/L | |
| Maximum tolerable concentration of suspended solids | 100 mg/L | |
| Turbidity (highest) | 300 NTU | |
| Particle size (maximum) | 300 μm | |
| Flow direction setting | External pressure structure, cross flow/dead end filtration | |
| Expected turbidity of produced water | ≤ 0.5 NTU | |
| Expected Water Production Sludge Density Index (SDI) | ≤ 2.5 |
| Suggested parameters for application design | Type of inflow | Tap-water | Groundwater | Surface Water | Recycled Water | Waste Water | |||
| Turbidity | ＜1 | ＜2 | ＜2 | ＜5 | ＜15 | ＜50 | ＜20 | ＜20 | |
| Security filtration | Optional | Recommend | |||||||
|
Design flux (L/m2/hr) |
90-100 | 80-90 | 70-80 | 70-80 | 60-70 | 50-60 | 50-70 | 20-40 | |
| Rate of recovery | 95% | 90% | 85% | 80% | 70% | ||||
| Backwash interval | 60m | 30m | 20m | ||||||
| Backwash time | 60s | 60s | 60s | 60s | 60s | 100s | 100s | 100s | |
| Backwash pressure | 0.15MPa-0.2Mpa | ||||||||
|
Backwash flux (L/m2/hr) |
150-200 | 100-150 | 60-100 | ||||||
| Chemical Cleaning | Not recommended | Optional | Recommend | ||||||
