Shuiyi Resalt® Series Reclaimed Water Reuse Reverse Osmosis Membrane Products
Shuiyi Resalt® Series Water Reuse Reverse Osmosis Membranes are available in two models: RBW-FR and RBW-FRLE, which maintain long-term stable water
production efficiency under highly polluted feedwater conditions.
RBW-FR reverse osmosis membrane, characterized by stable desalination rates, high fouling resistance, and high recovery after cleaning, is suitable for a wide range of applications.
The RBW-FRLE reverse osmosis membrane features low energy consumption and stable permeate quality, making it particularly suitable for feed water with salinity below 2000 mg/L.
Description
- Easily restorable cleaning
Short-path, wide-channel sheet structure clears pollutants with a single flush. - Low-energy operation
Operate at low pressure, reducing energy consumption by 20% compared to conventional products.
Data Sheet
| Model Item | Parameter | ||||
| RBW-FR8040 | RBW-FR4040 | RBW-FRLE8040 | RBW-FRLE4040 | ||
| Membrane element parameters ⁽¹⁾ | Effective membrane area | 37m² | 8.4m² | 37m² | 8.4m² |
| Membrane material | Aromatic polyamide | ||||
| Structure | Spiral-wound | ||||
| Inlet mesh thickness | 34mil | 28mil | 34mil | 28mil | |
| Dry membrane weight | 13kg | 4kg | 13kg | 4kg | |
| Wet membrane weight | 15kg | 4.5kg | 15kg | 4.5kg | |
| Length | 1016mm | 1016mm | 1016mm | 1016mm | |
| Diameter | 201mm | 99mm | 201mm | 99mm | |
| Permeate collector installation diameter | 29mm | 19mm | 29mm | 19mm | |
| Connection length | – | 27mm | – | 27mm | |
| Standard test solution | 2000mg/L NaCl | 1500mg/L NaCl | |||
| Operating pressure | 1.55MPa | 1.03MPa | |||
| Test temperature | 25℃ | ||||
| Recovery rate | 15% | ||||
| pH | 7~8 | ||||
| Water production rate⁽²⁾ | 41m³/d | 8.5m³/d | 41m³/d | 8.5m³/d | |
| Standard rejection rate | 99.6% | 99.3% | |||
| Membrane operational parameters | Maximum operating pressure | 4.1MPa/600psi | |||
| Maximum inlet water flow | 17m³/h | 3.6m³/h | 17m³/h | 3.6m³/h | |
| Inlet water temperature range | 5~40℃ | ||||
| Inlet water pH range | 2~11 | ||||
| Cleaning pH range⁽³⁾ | 1~13 | ||||
| Maximum inlet water turbidity | 1.0NTU | ||||
| Maximum inlet SDI₁₅ | 5.0 | ||||
| Inlet water residual chlorine | <0.1mg/L | ||||
| Maximum pressure drop per single element ⁽⁴⁾ | 0.1MPa | ||||
Note:
(1) The parameters mentioned are based on data collected after the system has been running stably for 30 minutes;
(2) Water production volume has a deviation range of ±15%;
(3) Chemical cleaning is recommended at temperatures ≤30°C, with cleaning solution pH values not exceeding 2.0-12.0 above this temperature;
(4) When running in multi-element pressure vessels, the maximum pressure drop across the vessel should be kept within 0.25 MPa, not exceeding 0.3 MPa under any circumstances.
The data presented in the document has been tested and is reliable, yet variations due to different testing methods and operating conditions can occur. Therefore, users should combine these insights with practical applications and thoroughly understand the products of Ningbo Shuiyi Membrane Technology Development Co., Ltd.
Applications
Shuiyi Resalt® Series Water Reuse Reverse Osmosis Membranes, known for their easy cleaning and low energy consump
tion, are widely used in water reuse applications across industries such as textiles, printing and dyeing, papermaking,
and electroplating.
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