Hangzhou Kaihong Membrane Technology Co., Ltd.
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8060W Ulta-filtration Membrane Modules for Purified Water Treatment with Pore Size 0.03um PVDF material
An ultrafiltration membrane is a membrane that effects separation on the principle of sieving. The membrane has pores that are in the nanometre size range, and will therefore prevent particles, colloids, microorganisms and dissolved solids that are larger in dimension than the pores in the membrane surface from passing. The membrane therefore acts as a physical, size-exclusion barrier, and it is for that reason that ultrafiltration membranes produce such a high quality product.
Ultrafiltration membranes are produced in either flat-sheet or tubular-type geometries. The membranes that were used in this study are referred to as capillary membranes. The membranes are narrow-bore tubes that have an outside diameter of 1.8 mm and a lumen (bore) diameter of 1.2 mm. The membranes are internally skinned, which means that the pre-treated feed water enters into the lumen from where it filters outwards under a pressure driving force. The trans-membrane pressure required to produce clean-filtered and disinfected water is typically less than 200 kPa, typically 120 kPa.
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 | |
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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: