Applications
Drinking water treatment of tap water, surface water, well water and river water.
Pretreatment of RO.
Treatment, recycle and reuse of industrial waste water.
Filtration Performance
This product is proven to have below filtering effects according to the service conditions of different water sources:
Ingredient |
Effect |
SS, Particles > 1μm |
Removal Rate ≥ 99% |
SDI |
≤ 3 |
Bacteria, Viruses |
> 4 log |
Turbidity |
< 1NTU |
TOC |
Removal Rate: 0-25% |
*Above data is obtained under the condition that feeding water turbidity is < 25NTU.
Product Parameters
Technical Parameters
Filtering Type |
Outside Pressure |
Membrane Material |
Modified PVDF |
MWCO |
200K Dalton |
Membrane Area |
47m2 |
Membrane ID/OD |
0.8mm/1.3mm |
Dimensions |
Φ200mm*1710mm |
Connector Size |
DN50 Clamping |
Application Data
Pure Water Flux |
9,400L/H (0.15MPa, 25℃) |
Designed Flux |
40-120L/m2.hr (0.15MPa, 25℃) |
Suggested Working Pressure |
≤ 0.2MPa |
Maximum Transmembrane Pressure |
0.15MPa |
Maximum Backwashing Pressure |
0.15MPa |
Air Washing Volume |
0.1-0.15N m3/m2 .hr |
Air Washing Pressure |
≤ 0.1MPa |
Maximum Working Temperature |
45℃ |
PH Range |
Working: 4-10; Washing: 2-12 |
Operating Mode |
Cross-flow or Dead-end |
Feeding Water Requirements
Before feeding water, a security filter < 50 μm should be set to prevent blockage caused by large particles in raw water.
Turbidity |
≤ 25NTU |
Oil & Grease |
≤ 2mg/L |
Suspended Solids |
≤ 20mg/L |
Total Iron |
≤ 1mg/L |
Continuous Residual Chlorine |
≤ 5ppm |
COD |
Suggested ≤ 500mg/L |
*Material of UF membrane is polymer organic plastic, there must not be any organic solvents in raw water.
Operating Parameters
Backwashing Flow Rate |
100-150L/m2.hr |
Backwashing Frequency |
Every 30-60min. |
Backwashing Duration |
30-60s |
CEB Frequency |
0-4 times per day |
CEB Duration |
5-10min. |
CIP Frequency |
Every 1-3 months |
Washing Chemicals: |
Sterilization |
15ppm Sodium Hypochlorite |
Organic Pollution Washing |
0.2% Sodium Hypochlorite + 0.1% Sodium Hydroxide |
Inorganic Pollution Washing |
1-2% Citric Acid/0.2% Hydrochloric Acid |
Component Material
Component |
Material |
Membrane |
Modified PVDF |
Sealing |
Epoxy Resins |
Housing |
UPVC |