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Address: Bldg 10-1, # 11 Lingang Rd, Renhe Street, Yuhang Dist, Hangzhou, China
Contact name:Tony Zhang
Hangzhou Kaihong Membrane Technology Co., Ltd. |
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Ultra-filtration Membrane Module for Pure Water Purification with PVDF material
Ultrafiltration is used in chemical and pharmaceutical manufacturing, Beverage and food processing, and waste water treatment to recycle flow or later add value to products. Ultrafiltration is also used in dialysis of blood.
Drinking Water
To make water potable, drinking water ultrafiltration can be used to remove particles and macromolecules from raw water. It's been utilized to either replace current secondary (coagulation, flocculation, sedimentation) and tertiary (sand filtration and chlorination) filtering systems in water treatment plants, or as independent systems in remote areas with expanding populations. When treating water with high suspended particles, UF is frequently used as a pre-treatment stage, with primary (screening, flotation, and filtration) and certain secondary treatments.
UF is widely utilized in the dairy sector, particularly in the production of whey protein concentrate (WPC) and lactose-rich permeate from cheese whey. A UF method can concentrate whey 10–30 times the feed in a single step.
2.2 Structure and Specifications of UF Membrane Modules
2.2.1 Small size of UF modules
Size and weight
| 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 | |
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 of purified water (0.10MP,20℃) | ≥1000L/H | ≥3000L/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 structure as the following:2.2.2 type A of 8 inches UF module.
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 |
2.2.3 type B of 8 inches UF module. The structure as the following:
Size and weight
| Model | KH-UF-SFX2860-PVDF | KH-UF-SFX2880-PVDF |
| Module Diameter (OD, mm) | Φ225 mm | Φ225 mm | |
| Module Length ( L1, mm) | 1500 mm | 2000 mm | |
| Module Length (L2, mm) | 1630 mm | 2130 mm | |
| Module Length (L3, mm) | 1820 mm | 2320 mm | |
| Module Length (L , mm) | 1860 mm | 2360 mm | |
| Operating Type | Outside to Inside | Outside to Inside | |
| Membrane Area | 52 m2 | 77 m2 | |
| Dry weight of the module | 42 Kg | 62 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 of purified water (0.10MP,20℃) | ≥ 6500L/H | ≥ 8000L/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:
