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| Place of Origin | China |
| Brand Name | CNKHONG |
| Model Number | KH-UF-6040W-PVDF |
UltraFiltration(UF) Hollow Fiber Membrane for Ground Water Purification with 0.03um pore size
Ultrafiltration is a simple pressure-driven technology, which can filter water and wastewater without the use of chemicals. Chemicals are only needed for membrane cleaning. Thus, it is a safe and sound solution, enabling greener filtration processes.
Simply put, pressure forces the water purification process by forcing the liquid through the semipermeable membrane surface. A feed stream enters the membrane, and a feed pump generates pressure. This will separate the feed stream into two new streams called permeate and retentate. The permeate consists of water molecules and dissolved solutes, which can pass through the semipermeable membrane barrier. Meanwhile, suspended solids and solutes of high molecular weight are retained by the membrane barrier. It is the membrane pore size that controls the selectivity, meaning the size of the particles that are retained.
The membranes can operate at low pressure, which makes them an energy-efficient, low-cost solution.
Structure and Specifications of UF Membrane Modules
Small size of UF modules
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Size and weight
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Model | KH-UF-4040W-PVDF | KH-UF-6040W-PVDF |
| Module Diameter ( A, mm) | Φ90 mm | Φ160 mm | |
| Module Length ( B, mm) | 960mm | 960mm | |
| Module Length (C, mm) | 1106 mm | 1304 mm | |
| Size of Inlet/Outlet (D, mm) | DN25 | DN32 | |
| Operating Type | Outside to Inside | Outside to Inside | |
| Membrane Area | 8.0 m2 | 20 m2 | |
| Dry weight of the module | 5 Kg | 12 Kg | |
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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 | |
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SDI value of permeating water
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≤ 3 | ≤ 3 | |
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Flux rate of purified water (0.10MP,20℃) |
≥1000L/H | ≥3000L/H | |
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Typical Process
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Temperature Range | 5-45 ℃ | 5-45 ℃ |
| PH Value Range | 2-13 | 2-13 | |
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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 |
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| 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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