Customization: | Available |
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Membrane Type: | Spiral |
Type: | NF |
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NF98 Series Nanofiltration Membrane ElementThe NF98 series nanofiltration membrane element adopts a proprietary multilayer composite membrane, utilizing nano-level, ultra-thin hydrophilic coating technology. This design offers exceptional anti-fouling performance and provides flux levels that are twice as high as those of leading international brands, while maintaining operational pressures at least 50% lower. Its comprehensive performance enables it to replace traditional TFC membranes such as NF270, XC-N, DL, DK, and more.
1. The NF98 membrane features a super hydrophilic surface, excellent anti-fouling properties, and a long lifespan.Nanofiltration is a specialized membrane process that rejects dissolved solutes approximately in the size range of 1 nanometer (10 Angstroms), hence the term 'nanofiltration.'
Regarding the size and weight of solutes that nanofiltration membranes reject, NF operates in the domain betweenreverse osmosis (RO) and ultrafiltration (UF). : Organic molecules with molecular weights greater than 200 - 400 are effectively rejected by nanofiltration membranes, including various contaminants such as:
Typical applications of nanofiltration membrane systems include:
Product | Effective Membrane area ft² (m²) |
Feed spacer thickness (mil) |
Product Flow Rate ¹ ²gpd( m³/d) |
Rejection rate of Bivalent salt ion¹(%) | Rejection rate of Monovalent salt ion¹(%) |
NF98-HF-4040F34³ | 82(7.6) | 34 | 2800(10.6) | 96 | 30-50 |
NF98-HF-8040F34³ | 400(37) | 34 | 13800(52.2) | 96 | 30-50 |
NF98-SP-4040F34³ | 82(7.6) | 34 | 2500(9.5) | 99 | 30-50 |
NF98-SP-8040F34³ | 400(37) | 34 | 12500(47.3) | 99 | 30-50 |
NF98-Pro-4040F34³ | 82(7.6) | 34 | 1850(7.0) | 99 | 40-60 |
NF98-Pro-8040F34³ | 400(37) | 34 | 9100(34.4) | 99 | 40-60 |
NF98-SPEC-4040F34³ | 82(7.6) | 34 | / | Customized | Customized |
NF98-SPEC-8040F34³ | 400(37)) | 34 | / | Customized | Customized |
Water yield and desalination rates were determined under the following precise test conditions: 2000 ppm MgSO4, 70 psi (0.48 MPa), 77°F (25°C), and 15% recovery, coupled with 2000 ppm NaCl at 70 psi (0.48 MPa), 77°F (25°C), and 15% recovery.
2. The water yield variation range is +/-15%.
3. The F34 model features a robust fiberglass wrapped case with a mesh thickness of 34 mil. Additional shells, meshes, and components are available as options. The designations HF, SP, Pro, and SPEC indicate high throughput, salt separation, high rejection, and customized nanofiltration membrane series, respectively. (Please consult our pre-sales engineers for more detailed information).
SIZE: mm
Model | A | B | C |
4040 | 1016 | 100.3 | 19.1 |
8040 | 1016 | 200 | 28.6 |
1. Q:Are you a manufacture or a trading company?
A:We are a manufacturer with our own state-of-the-art factory and we also collaborate with other factories using our proprietary technology.
2. Q: What about the lead time for mass production?
A: Our standard production time is 10-15 days for regular models.
3. Q:How do you guarantee product quality?
A: We meticulously inspect and control every stage, from raw materials and production processes to the finished product and shipment.
4. Q: Can you offer samples before a mass order? Are they free or extra?
A: Yes, samples will be generously provided for your confirmation. Please contact us for more details.
5. Why choose us?
We utilize advanced technology for the production of TFN membranes.
We have established China's first TFN coating production line, achieving stable mass production.
We are equipped with a 1000m2 test platform and advanced water testing technology.
We provide RO, NF,UNF, Special Membrane Elements, and SPEC Customized Membranes.
We offer competitive pricing, excellent product quality, and comprehensive services to our customers.