EN 
Category Introduction
The Brackish Water Ro Membrane series is suitable for desalination and deep treatment of brackish water with a salinity below 10,000 ppm, surface water, groundwater, tap water, and municipal water.
It offers excellent desalination performance and high water yield.
It is widely used in municipal water supply, surface water reuse, boiler feed water, food industry water, coal chemical industry, papermaking, textile printing and dyeing, material concentration, and purification and refining.
Product Information
| Model | Stable Rejection | Min Rejection | Permeate Flow | Effective Membrane Area | Spacer Thickness |
| (%) | (%) | GPD(m³/d) | ft2(m2) | (mil) | |
| BW-4040 | 99.7 | 99.5 | 2400(9.1) | 85(7.9) | 34 |
| Testing Conditions | Operating pressure | 225psi( 1.55MPa) | |||
| Test solution temperature | 25 ℃ | ||||
| Test solution concentration (NaCl) | 2500ppm | ||||
| PH value | 7-8 | ||||
| Recovery rate of a single membrane element | 15% | ||||
| Flow range of a single membrane element | ±15% | ||||
| Operating Conditions & Limits | Maximum operating pressure | 600 psi(4.14MPa) | |||
| Maximum temperature | 45 ℃ | ||||
| Maximum feedwater flow | Maximum feedwater flow: 4040-16gpm(3.6m3/h) | ||||
| Maximum feedwater flow SDI15 | 5 | ||||
| Maximum concentration of free chlorine: | ＜0.1ppm | ||||
| Allowed pH range for chemical cleaning | 2-11 | ||||
| Allowed pH range for feedwater in operation | 1-13 | ||||
| Maximum pressure drop per element | 15psi(0.1MPa) | ||||
