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 and high fouling resistance, is suitable for a wide range of applications.
The RBW-FRLE reverse osmosis membrane offers lower operating pressure and thus lower energy consumption, making it particularly suitable for feed water with salinity below 2,000 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 | Parameter | ||||
| Item | RBW-FR8040 | RBW-FR4040 | RBW-FRLE8040 | RBW-FRLE4040 | |
| Membrane element parameters ⁽¹⁾ | Effective membrane area | 37 m² | 8.4 m² | 37 m² | 8.4 m² |
| Membrane material | Aromatic polyamide | ||||
| Structure | Spiral-wound | ||||
| Inlet mesh thickness | 34 mil | 28 mil | 34 mil | 28 mil | |
| Dry membrane weight | 13 kg | 4 kg | 13 kg | 4 kg | |
| Wet membrane weight | 15 kg | 4.5 kg | 15 kg | 4.5 kg | |
| 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 | 2000 mg/L NaCl | 1500 mg/L NaCl | |||
| Operating pressure | 1.55 MPa | 1.03 MPa | |||
| Test temperature | 25℃ | ||||
| Recovery rate | 15% | ||||
| pH | 7~8 | ||||
| Water production rate⁽²⁾ | 41 m³/d | 8.5 m³/d | 41 m³/d | 8.5 m³/d | |
| Standard rejection rate | 99.6% | 99.3% | |||
| Membrane operational parameters | Maximum operating pressure | 4.1 MPa/600psi | |||
| Maximum inlet water flow | 17 m³/h | 3.6 m³/h | 17 m³/h | 3.6 m³/h | |
| Inlet water temperature range | 5~40℃ | ||||
| Inlet water pH range | 2~11 | ||||
| Cleaning pH range⁽³⁾ | 1~13 | ||||
| Maximum inlet water turbidity | 1.0 NTU | ||||
| Maximum inlet SDI₁₅ | 5.0 | ||||
| Inlet water residual chlorine | <0.1 mg/L | ||||
| Maximum pressure drop per module ⁽⁴⁾ | 0.1 MPa | ||||
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 herein are derived from specific tests and are true and reliable. However, differences may exist between test conditions and actual application environments, so actual results may vary. It is recommended that users verify and adjust according to their specific operating conditions and assume relevant responsibilities themselves.
Applications
Shuiyi Resalt® Series Water Reuse Reverse Osmosis Membranes, known for their easy cleaning and low energy consumption, are widely used in water reuse applications across industries such as textiles, printing and dyeing, papermaking, and electroplating.
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