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| Place of Origin | China |
| Brand Name | CNKHONG |
| Model Number | Customized |
Columned UF Equipment System for Water Purification with PVDF material
1. Brief Introduction
Ultrafiltration is an advanced technology to separate, purify and concentrate substance. It presents hollow capillary tube shapeor hollow fiber shape, micro-pore covers tube wall densely. Feed liquid is flowing in or out the membrane under the influence of pressure, dissolvent or small molecule can permeate membrane and become pure liquid by collection, while large molecule (such as protein, each kind of enzyme, nucleic acid, polysaccharide and so on), colloid particle (such as emulsion, micro-ion) and bacterium are cut off by the membrane and are taken off by the circulating liquid flow to become concentrating liquid.
2. Description of CNKHONG ultrafiltration modules
2.1 Module Features
The CNKHONG Ultrafiltration modules are made of high strength hollow fiber membranes, they are made of Polyvinylidene Fluoride(PVDF). The pore size of 0.03 µm is enough for the removal of bacteria, viruses, and particles including all kinds of colloids. v
The membranes have been special treated to be hydrophilic. It is easy cleaning and wettability that help maintain long term performance. v Out to In flow configuration can endure high tolerance of feed solids. They also can be used pressed air to help the cleaning recovery.
The dead-end filtration way offer higher recovery rate and energy savings. The largest water recovering rate can be more can 95%.
2.2 Structure and Specifications of CNKHONG UF Membrane Modules
2.2.1 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 | |
|
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
|
≤ 3 | ≤ 3 | |
|
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 | |
|
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.
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Size and weight
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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:
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Size and weight
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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:
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