Hunan Keensen Technology Co., Ltd.
Leading RO/NF Membranes Manufacturer.
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Lower Pressure Brackish Membrane BW-040 Membrane
| Material: | Aromatic Polyamide |
| Working Pressure: | 225psi |
| Suitable Raw Water: | Brackish water, groundwater, surface water, tap water treatment |
| Ph Range: | 2-11 |
| Pressure Rating: | 225psi |
| Membrane Area: | 400 Square Feet |
| Type: | Brackish Water RO Membrane Element |
| Permeate Flow Rate: | 10500GPD |
| Certifications: | NSF/ANSI 61, NSF/ANSI 58, ISO 9001:2015 |
| Operating Temperature: | 0-45℃ |
| Size: | 4040 |
| Salt Rejection: | 99.6 |
Description:
BW aromatic polyamide composite membrane elements is specially developed to widely use forgroundwater and surface water treatment. The models are characterized in high rejection rate andhigh permeate flow.
It mainly applied to desalination treatment of brackish water, surface water, groundwater, tap water.etc. within salinity<5000mg/L, and can also used for waste water reuse , concentration and otherprojects. The application fields include electronics, electricity, municipal drinking water, chemicalspharmaceutical and so on. lt has the characteristics of high rejection rate, high permeate flux andlow operating pressure.
Applications:.
● Brackish water, groundwater, surface water, tap water treatment.
● Production water supply system for electronics, power, steel & iron, pharmacy, thermoelectric.petrochemical, Coal chemical industry etc
● Feed TDS above 5000mg/L.
Specifications:
| Model | Active Area ft2(m2) | Feed Spacer Thickness(mil) | Permeate Flow Rate GPD(m3/D) | Stabilized Salt Rejection (%) |
| BW-4040 | 85(7.9) | 28 | 2500(9.5) | 99.6 |
Standard Test Conditions:
| Solution | Temperature (℃) | pH | Operating Pressure psi(MPa) | Recovery (%) |
| 2000mg/L NaCl | 25 | 7.5-8.0 | 225(1.55) | 15 |
Benefits:
● High Rejection Rate.
● Strong Stability and Durability.
Element Dimensions and Operating Limits:
| Model | Length | Diameter | Permeate Tube inner Diameter | Permeate Tube Extension Length | ||||
| inch | mm | inch | mm | inch | mm | inch | mm | |
| 8040 | 40 | 1016 | 7.9 | 201 | 1.12 | 28.5 | / | / |
| 4040 | 40 | 1016 | 3.9 | 99 | 0.75 | 19.1 | 1.04 | 26.5 |
| Maximum Operating Pressure | 600psi(4.14MPa) |
| Operating Temperature Range | 0-45℃ |
| Maximum Feed Silt Density Index (SDI15) | 5.0 |
| Free Chlorine Tolerance | 0.1mg/L |
| pH Range,Continuous Operation | 3-10 |
| pH Range,Short-Term Cleaning | 1-13 |
| Maximum Element Pressure Drop | 15psi(0.1MPa) |
