of Chinese Stone Machinery
Drinking treatment of tap water, surface water, well water and river water.
Pretreatment of RO.
Treatment, recycle and reuse of industrial waste water.
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.
Filtering Type | Outside-in |
Membrane Material | Modified PVDF |
MWCO | 200K Dalton |
Membrane Area | 52m2 |
Membrane ID/OD | 0.8mm/1.3mm |
Dimensions | Φ225mm* 1860mm |
Connector Size | DN50 Clamping; Air Inlet – 10mm air pipe |
Pure Water Flux | 8,000L/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 |
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 |
SS | ≤ 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.
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 |
Membrane | Modified PVDF |
Sealing | Epoxy Resins |
Housing | UPVC |
According to your actual needs, choose the most reasonable overall design and planning procedures