| Customization: | Available |
|---|---|
| Membrane Type: | Spiral |
| Type: | RO |
|
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| Type | Model | characteristics |
| Seawater desalination membrane | SW30-2521 | High desalination rate, suitable for the desalination of brackish water with a relatively high salt content, etc.; It has remarkable performance in aspects such as desalination rate, boron removal rate, water flux, anti - fouling performance, and membrane performance stability; It can be used for seawater desalination, desalination of high - concentration brackish water, make - up water treatment for power plant boilers, and various industrial water treatments. |
| SW30-2514 | ||
| SW30-2540 | ||
| SW30-4021 | ||
| SW30-4040 | ||
| SW30HRLE-4040 | ||
| SW30HRLE-440i | ||
| SW30HRLE-400/400i | ||
| SW30HR-320 | ||
| SW30XLE-400i | ||
| SW30XHR-400i | ||
| SW30HR-380 | ||
| SW30ULE-400i | ||
| SW30HRLE-370/34i | ||
| Brackish water membrane | BW30-2540 | Dow's brackish water membranes are widely used in brackish water desalination, ultrapure water preparation, power plant boiler makeup water treatment, industrial water equipment, etc.; With high desalination rate, high mechanical strength and long service life; Less affected by pH value, temperature, chemical and biochemical effects; Effectively remove dissolved salts, colloids, microorganisms, organic matter, etc.; With low operating pressure, good desalination performance, not easy to foul and stable technical performance.; |
| BW30-4040 | ||
| BW30HRLE-440i | ||
| BW30-365 | ||
| BW30IG-365 | ||
| BW30FR-365 | ||
| BW30-400 | ||
| BW30-440ig | ||
| BW30LE-440 | ||
| BW30XLE-440 | ||
| BW30HR-440i | ||
| BW30LE-440i | ||
| BW30FR-400 | ||
| BW30LE-400 | ||
| BW30XFR-400/34i | ||
| BW30FR-400/34i | ||
| Ultra-low pressure membrane | LP-4040 | The characteristics of Dow's pressure membrane are low operating pressure and high efficiency, with the feature of low energy consumption. Dow's pressure membrane adopts energy - saving technology, which is a water purification treatment technology using a pure physical method. |
| LP-2540 | ||
| LCHR-4040 | ||
| LCLE 4040 | ||
| LE 4040 | ||
| Low-energy consumption membrane | LE-4040 | Reverse osmosis elements for brackish and saline water are mainly used in commercial, large-scale municipal water treatment, and seawater desalination. They are generally made of polymer materials, such as cellulose acetate membranes, aromatic polyhydrazide membranes, and aromatic polyamide membranes. |
| LE-440/440i | ||
| XLE-4040 | ||
| XLE-440 | ||
| XLE-4021 | ||
| XLE-2521 | ||
| XLE-2540 | ||
| Heat disinfection type membrane | RO-390-FF | Dow heat-disinfection membrane, made of polyamide; It has a high effective membrane area and good water production quality, and can withstand hot water disinfection treatment.; |
| RO-4040-FF | ||
| HSRO-4040-FF | ||
| HSRO-390-FF | ||
| High desalination rate membrane | HRLE-440 | Low operating pressure, easy installation, and high output efficiency |
Physical properties of rolled polyamide composite membranes |
TW30-4021 | TW30-4040 | TW30HP-4040 | TW30LE-4040 |
| Length of membrane element in inches (mm) | 21.0(533) | |||
| Membrane element diameter in inches (mm) | 3.913(99.4) | 3.913(99.4) | 3.913(9.49) | 3.913(99.4) |
| Product water pipe inches (mm) | 0.75(19) | 0.75(19) | 0.75(19) | 0.75(19) |
| The product water pipe protrudes inches (mm) | 1.05(27) | 1.05(27) | 1.05(27) | 1.05(27) |
| Wet weight of membrane elementspound(kg) | 4.0(1.8) | 8.0(3.6) | 8.0(3.6) | 8.0(3.6) |
| Operability | ||||
| Large operating pressurePSI(MPa) | 300(2.1) | 300(2.1) | 300(2.1) | 300(2.1) |
| The concentration of free chlorine(PPm) | <0.1 | <0.1 | <0.1 | <0.1 |
| pHOperating pH range | 2-11 | 2-11 | 2-11 | 2-11 |
| The traffic of the productgpd() | 900(3.41) | 2200(8.33) | 2800(10.60) | 2000(7.57) |
| Stable desalination rate(%) | 99 | 99 | 99 | 98 |
| Inlet water pressurePSI(MPa) | 225(1.6) | 225(1.6) | 225(1.6) | 125(0.9) |
| Recovery rate(%) | 15 | 15 | 15 | 15 |
| Physical properties of rolled polyamide composite membranes | BW30-4040 | BW30HP-4040 | BW30-365 | BW30-400 | BW30LE-440 |
| Length of membrane element in inches (mm) | 40.0(1016) | 40.0(1016) | 40.0(1016) | 40.0(1016) | 40.0(1016) |
| Membrane element diameter in inches (mm) | 3.913(99.4) | 3.913(99.4) | 7.9(201) | 7.9(201) | 7.9(201) |
| Product water pipe inches (mm) | 0.75(19) | 0.75(19) | 1.125(29) | 1.125(29) | 1.5(38) |
| The product water pipe protrudes inches (mm) | 1.05(27) | 1.05(27) | |||
| Wet weight of membrane elementspound(kg) | 11.0(5.0) | 11.0(5.0) | 32.4(17.0) | 32.4(17.0) | 32.4(17.0) |
| Operability | |||||
| Large operating pressurePSI(MPa) | 600(4.1) | 600(4.1) | 600(4.1) | 600(4.1) | 600(4.1) |
| Large operating temperatureºF(ºC) | 113(45) | 113(45) | 113(45) | 113(45) | 113(45) |
| Large influent turbidity(NTU) | 1 | 1 | 1 | 1 | 1 |
| The concentration of free chlorine(PPm) | <0.1 | <0.1 | <0.1 | <0.1 | <0.1 |
| pHOperating pH range | 2-11 | 2-11 | 2-11 | 2-11 | 2-11 |
| Large water inflowgpm() | 17(3.9) | 18(4.1) | 70(16) | 85(19) | 85(19) |
| Greatly floodedSDI | 5 | 5 | 5 | 5 | 5 |
| The traffic of the productgpd() | 2200(8.33) | 3200(12.1) | 9500(36) | 10500(40) | 11500(44) |
| Stable desalination rate(%) | 99 | 99 | 99.5 | 99.5 | 99 |
| 77ºF(25ºC),pH=8 | |||||
| Inlet water concentration(PPm) | 2000 | 2000 | 2000 | 2000 | 2000 |
| Inlet water pressurePSI(MPa) | 225(1.6) | 225(1.6) | 225(1.6) | 225(1.6) | 150(1.0) |
| Recovery rate(%) | 15 | 15 | 15 | 15 | 15 |
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