8 inch Ultafiltration(UF) Membrane Modules for Purified Water Treatment with Pore Size 0.03um PVDF material
Ultrafiltration (UF) is another reliable and cost effective water treatment method.
This separation process is used in industry and research for purifying and concentrating macromolecular solutions, especially protein solutions with other applications including
- Process and waste water treatment
- Filtration of effluent from paper pulp mill
- Cheese manufacture (using ultrafiltered milk)
- Removal of some bacteria from milk
- Fruit juice concentration and clarification
- Laboratory grade manufacturing
The ultrafiltration membrane pore size creates a barrier to suspended solid, bacteria, colloids and viruses whilst still allowing passage of ions. As such, the mineral content of water passing through an ultrafiltration membrane does not appreciably change (further removal of mineral contact might be achieved through the use of Ion exchange resin treatments such as water softening, deionisation or demineralisation depending on the fuller scope of the process required).
UF membranes operate at much lower pressures than Reverse Osmosis (RO) membranes and require a higher degree of cross-flow to prevent plug fouling.
A more recent development in membrane technology, the cost of ultrafiltration membranes has reduced considerably in recent years, making it a much more effective cost option for a number of applications, including river extraction. Ultrafiltration is also often used as a very effective pre-treatment to reverse osmosis.
Typically employed in hollow fibre construction, operation of ultrafiltration membranes can be from outside-to-in (i.e. fed from outside the fibre with permeate collected from within) or inside-to-out, dependent upon the specific manufacturer and application. The robust construction of the fibres generally enables periodic back flushing of membranes to reduce plug fouling. The cleaning of membranes is also enhanced by the introduction of chemicals, such as sodium hypochlorite or sodium hydroxide, via a dedicated Clean in Place (CIP).
The structure as the following:2.2.2 type A of 8 inches UF module.
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Size and weight | Model | KH-UF-8040W-PVDF | KH-UF-8060W-PVDF |
| Module Diameter ( A, mm) | Φ200 mm | Φ200 mm |
| Module Length ( B, mm) | 1220 mm | 1640 mm |
| Module Length (C, mm) | 1365 mm | 1785 mm |
| Size of Inlet/Outlet | DN50 | DN50 |
| Operating Type | Outside to Inside | Outside to Inside |
| Membrane Area | 30 m2 | 45 m2 |
| Dry weight of the module | 20 Kg | 35 Kg |
| Parameters | Shell material | UPVC | UPVC |
| Membrane Material | PVDF | PVDF |
| Membrane pore size | 0.03μm | 0.03μm |
| Inner diameter of the hollow fiber | 0.7 mm | 0.7 mm |
| Outer diameter of the hollow fiber | 1.3mm | 1.3mm |
| Turbidity of Permeating water | ≤ 0.2NTU | ≤ 0.2 NTU |
| SDI value of permeating water | ≤ 3 | ≤ 3 |
| Flux rate for of purified water (0.10MP,20℃) | ≥ 3600L/H | ≥ 5400L/H |
| Typical Process | Temperature Range | 5-45 ℃ | 5-45 ℃ |
| PH Value Range | 2-13 | 2-13 |
| Permeating Flux rate for different Water | 40 - 80 l/m2/hr | 40 -80 l/m2/hr |
| Operating Pressure | ≤0.12 MPa | ≤0.12MPa |
| Maximum Inlet Pressure | 0.2 MPa | 0.2MPa |
| Backwashing flux rate | 1.5-2.0 times of Permeating Flux | 1.5-2.0 times of Permeating Flux |
| Backwashing times | Once per 30-120 minutes | Once per 30-120 minutes |
| Chemical cleaning online during backwashing | Once per 7-14 days | Once per 7-14 days |
The whole installation and application process of our MBR modules are described as the following photo:
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8 Inch PVDF Material UF System 200mm Hollow Fiber Ultrafiltration Membrane Images
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