RO Membrane BW4040
Key Specifications
Model
BW4040
Effective Membrane Area
78 ft² / 7.2 m²
Work Pressure
225 psi
Salt Rejection
99.7%
Product Description
The BW series membrane module is made of polyamine membrane material with higher desalination performance, which can cope with the desalination and purification of high TDS (>2000mg/L) water source water quality, and can withstand higher operating pressure.
Products are widely used in:
Pure water production
Brackish water desalination
Groundwater desalination
Reclaimed water reuse
Advanced treatment and other fields
Technical Specifications
| Membrane Element Model | Stable Desalination Rate (%) | Average Water Output GPD (m³/d) | Effective Membrane Area ft²(m²) |
|---|---|---|---|
| CM-BW-2521 | 99.2 | 370 (1.4) | 13 (1.2) |
| CM-BW-2540 | 99.2 | 1800 (3.0) | 30 (2.8) |
| CM-BW-4021 | 99.5 | 1,000 (3.8) | 36 (3.3) |
| CM-BW-4040 | 99.7 | 2,500 (9.5) | 78 (7.2) |
Test Conditions
Test pressure 225 psi (1.55 MPa)
Test solution temperature 25±1 ℃
Test solution concentration (NaCl) 2000±50 ppm
Test solution pH 7-8
Extreme Operating Conditions
Maximum operating pressure 600 psi (4.14 MPa)
Maximum water temperature 45°C
Maximum water SDI₁₅ 5
Free chlorine concentration in water <0.1 ppm
pH range during continuous operation 2-11
pH range during chemical cleaning 1-13