Nanofiltration
Hollow Fiber Nanofiltration Membranes
SV-HFNF Series — PES hollow fiber, 500–1000 Da MWCO
Product description
SV-HFNF Series is an advanced hollow fiber nanofiltration membrane technology using proprietary polyethersulfone (PES) hollow fiber technology. HFNF membranes offer precise molecular separation with controlled rejection characteristics between 500 and 1000 Dalton. The membranes are chemically robust, backwashable, chlorine resistant, and suitable for water reuse, wastewater reclamation, caustic purification, dye recovery and industrial process water applications.
HFNF membranes are widely used for industrial water reuse, tertiary wastewater treatment, process water polishing and sustainable water footprint reduction programs. The technology removes color, dissolved organics, micropollutants, bacteria, viruses, hardness, iron and selected heavy metals in a single treatment step. Exceptional chemical stability enables operation in alkaline streams and recovery of valuable process chemicals for circular water economy initiatives.
Specifications
| Model | SV-HFNF-4 | SV-HFNF-8 |
|---|---|---|
| Membrane Type | Hollow Fiber NF | Hollow Fiber NF |
| Membrane Material | PES | PES |
| MWCO | 500 Da | 1000 Da |
| Typical Flux | 20–40 LMH | 25–50 LMH |
| MgSO₄ Rejection | 90% | 80% |
| Configuration | Inside-Out Hollow Fiber | Inside-Out Hollow Fiber |
| Backwashable | Yes | Yes |
| Chlorine Resistant | Yes | Yes |
| Chemical Stability | Excellent | Excellent |
Performance figures are nominal values obtained under the standard test conditions stated with each table. Actual performance varies with feedwater chemistry, pretreatment, flux, recovery, temperature, pressure and operating practice. Individual element flow may vary from the nominal value. Specifications are subject to change without notice — request the current datasheet before specifying.
Typical applications
- Textile dye recovery and caustic recovery
- CIP chemical recovery
- Food, beverage and pharmaceutical process water
- Surface water treatment and industrial effluent recycling
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