External Pressure Reinforced Hollow Fiber Membrane PVDF Material Shuiyi Zeropa® ZS-L Series
huiyi Zeropa™ Series Submerged Ultrafiltration (UF) Membranes employ
1.35mm large-bore PVDF composite membranes and high-packing-density module design, delivering superior performance with high permeate flux, stable effluent quality, robust anti-fouling performance, compact footprint, and
low energy consumption. These systems are extensively applicable in water reuse, advanced wastewater treatment, and municipal water supply. For large-scale municipal water projects, the recommended siphon-based, non-electric water production reduces energy consumption by over 50%
compared to conventional pressurized systems.
Description
- The membrane pores are uniform and have a high porosity rate
The fiber has an average pore size of 0.03μm, with uniformly
distributed pores, high porosity, higher resistance to pollution, and
a longer lifespan. By adjusting the membrane material formula and
upgrading the process, the operational flux has increased by 25%. - Ultra-fine inner lining fibers, high packing density
The ultra-fine inner lining fibers are packed in a columnar assembly structure, increasing packing density by 50%, effectively reducing land occupation and project investment. - High retention rates for bacteria and viruses
Bacterial retention >5Log, viral retention >4Log, ensuring water quality is safe and stable for drinking, meeting health and safety standards, and possessing product health permit approval. - No-Power (Siphon-Based) water production
Shuiyi low-pressure high-flux submerged UF membranes can
operate using power-free siphon-produced water, saving over 50%
energy, with water production efficiency increased to 97%.
Data Sheet
| Membrane cassette model
|
Parameter | ||||
| Item | SM20-ZS35L | SM40-ZS35L | SM20-ZS50L | SM40-ZS50L | |
| Membrane cassette parameters | Total membrane area | 700m² | 1400m² | 1000m² | 2000m² |
| Number of membrane elements | 20 units | 40 units | 20 units | 40 units | |
| Arrangement style | 4 rows | 4 rows | 4 rows | 4 rows | |
| Membrane cassette length | 2110mm | 2510mm | 2110mm | 2510mm | |
| Membrane cassette width | 792mm | 792mm | 792mm | 792mm | |
| Membrane cassette height | 2330mm | 2330mm | 2850mm | 2850mm | |
| Membrane element parameters | Membrane element model | ZS-35L | ZS-50L | ||
| Effective membrane area | 35m² | 50m² | |||
| Form of membrane modules | Columnar | ||||
| Membrane material | Support layer: PET; Separation layer: PVDF | ||||
| Membrane form | External pressure hollow fiber membrane | ||||
| Nominal pore size⁽¹⁾ | 0.03μm | ||||
| Membrane fiber outer diameter | 1.35mm | ||||
| Dimensions | φ192×1660mm | φ192×2180mm | |||
| Interface size | φ50 | φ50 | |||
| Membrane operational parameters | Recommended transmembrane pressure differential | 0~35kPa | |||
| Maximum backwash pressure | 70kPa | ||||
| Operational flux⁽²⁾ | 25~40L/m²·h,25℃ | ||||
| Backwash flux⁽²⁾ | 40~80L/m²·h | ||||
| Working temperature | 5~40℃ | ||||
| Operational pH range | 2~10 | ||||
| Aeration intensity⁽³⁾ | 4~6 (Nm³/h•unit) | ||||
| Chemical cleaning pH range⁽⁴⁾ | 1~11 | ||||
| Maximum NaClO tolerance concentration | 3000mg/L | ||||
| Produced water quality⁽⁵⁾ | Turbidity | ≤0.5NTU | |||
| SDI15 | ≤3.0 | ||||
Note:
(1) Test method: GB/T38949-2020 Determination of Pore Size for Porous Membranes—Standard Particle Method, standard particles: polystyrene microspheres;
(2) Designed flux and backwash flux depend on the operation and maintenance ofthe entire system;
(3)Columnar membranes are calculated per unit, while membrane assemblies are calculated based on the projected area of the membrane part (upper part);
(4) Cleaned understandard conditions at 30°C;
(5)The quality of the produced water may vary slightly depending on the quality ofthe inlet water.
The data presented herein have been tested and are reliable, but variability may occur due to different testing methods and operating conditions. Therefore, users should combine practical application processes and thoroughly understand the products of Ningbo Shuiyi MembraneTechnology Development Co.,Lt
Applications
Shuiyi Zeropa™ series submerged UF membrane products strong resistance to fluctuations in water quality and hydrau
lic shock loads, capable of handling more complex inlet water qualities. Optional siphon-based power-free water production, suitable for large-scale projects with low operational costs and some variability in water quality and quantity. Widely used in municipal drinking water, municipal recycled water, textile dyeing wastewater, pulp and paper wastewater, basic chemical wastewater, mine water, steel water, PCB electroplating wastewater, power plant water, semiconductor water, and other water treatment areas.
