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? DONGYANGTMexteal pressure type SFX-N series module by NIPS(wet process) preparation of PVDF hollow fiber ultrafiltration membrane, with a long service life, high throughput, high anti-pollution capacity, water quality and stability characteristics. ? DONGYANGTM SFX-N Series ultrafiltration components structure of exteal pressure, selectable dead-end filtration, flow, runs two ways, ensuring that more than 90%. ? DONGYANGTM SFX-N Ultrafiltration using the safe and reliable design, gas flow distribution, water quality more broadly, the product can remain stable and reliable under extreme operating conditions. ? The company is based on many years of continuous innovation, development and investment, large-scale use in desalination, water And preparation of ultrapure water pretreatment and wastewater, water reuse and other fields.
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? Characteristics of ultrafiltration technology
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》Long service life ? PVDF membrane material, oxidation resistance, high chemical resistance; ? Double seals at both ends, soft flexible roots not easily broken; ? Proprietary blend formula, high compressive and tensile strength 》High flux and low energy consumption ? High surface porosity and uniform pore size, membrane resistance, high water flux; ? Exteal pressure structure, high filtration efficiency, large amount of dirt, easy to clean |
》Water quality stability ? Nominal pore size of 0.03 μ m,PVDF membrane material sieve apertures in the smallest one of the manufacturers; ? Membrane composed of a dense layer and the layer structure, high retention rate; ? Patented hydrophilic modification of permanent water, greatly improved stain resistance. |
? Technical parameters
| Category | Project | Model | ||
| SFX-N-2660 | SFX-N-2860 | SFX-N-2880 | ||
| The membrane characteristics | Membrane material | PVDF | ||
| Filter | Exteal pressure | |||
| / Outer diameter mm | 0.7/1.3 | |||
| Effective membrane area m2 | 33 | 52 | 78 | |
| Filter pore size μm | 0.03 | |||
| Standard flux L/(m2. hr. Bar.25℃) | ≥400 | |||
| Design of water flux L/m2.hr | 40-120 | |||
| Cleaning pH Range | 2-11 | |||
| CEB Residual chlorine concentration mg/L | 2000 | |||
| Operating temperature ℃ | 1-40 | |||
| Maximum inlet pressure MPa | 0.5 | |||
| Maximum TMP MPa | 0.21 | |||
| Maximum turbidity of the water NTU | 300 | |||
| Single membrane gas strength m3/hr | 5-12 | |||
| Gas pressure MPa | ＜0.2 | |||
? Structure size
| Model | L | L1 | L2 | L3 |
| SFX-N-2660 | 1860 | 1500 | 1610 | 1710 |
| Model | L | L1 | L2 | L3 |
| SFX-N-2860 | 1860 | 1500 | 1630 | 1820 |
| SFX-N-2880 | 2360 | 2000 | 2130 | 2320 |
| Model | L | L1 | L2 | L3 |
| SFX-N-D-2860 | 1860 | 1510 | 1595 | 215 |