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Home/Water Treatment Equipment/Low Pressure Series Reverse Osmosis Membrane Elements OV-L-4040/
Hunan Ovay Technology Co., Ltd.
HuNan-ZhuZhou, China
Low Pressure Series Reverse Osmosis Membrane Element is an aromatic polyamide composite membrane element developed by OVAY Technology for desalting medium and low concentration brackish water. It has the characteristics of high desalination rate and large flux, and can be widely used in municipal water supply, surface water reuse, coal chemical industry, thermal plant boiler make-up water, food industry water, textile printing and dyeing, electroplating industry and other fields.
Specification Parameters
| Membrane Model | Stabilized Salt Rejection (%) | Minimum Salt Rejection (%) | Average Permeate Flow GPD (m³/d) | Effective Membrane Area ft² (m²) |
|---|---|---|---|---|
| OV-L-4040 | 99.7 | 99.5 | 2600 (9.8) | 100 (9.3) |
| OV-L-8040-400 | 99.7 | 99.5 | 10000 (39.7) | 400 (37.2) |
| OV-L-8040-400PRO | 99.8 | 99.5 | 11500 (43.5) | 400 (37.2) |
| OV-X-8040-440 | 99.7 | 99.5 | 12650 (48.0) | 440 (40.9) |
Note:
- The water production listed in the table is an average value, and the water production error of a single membrane element is within 20%.
- When the membrane element is used for the first time, the produced water should be discharged and not used for the first hour.
- When the membrane element leaves the factory, the dry membrane element does not have protective fluid. Once the element is wetted, it should always remain wet.
- The feed water pressure should be gradually increased within a time range of 30-60 seconds, otherwise it may cause irreversible damage to the membrane element.
- Back pressure on the water production side must be avoided at all times.
- Wet membrane elements are tested for water before leaving the factory, and are stored using 1.5% sodium bisulfite (10% propylene glycol antifreeze is required in winter) solution, and then vacuum packed.
- If the system is shut down for a long time, in order to prevent the growth of microorganisms, it is recommended to immerse the membrane elements in 1.5% (weight ratio) sodium bisulfite (food grade) protective solution and replace the protective solution regularly.
- Users must strictly follow the operating limits and rules set in this manual, otherwise Hunan Aowei Environmental Protection Technology Co., Ltd. will not be responsible for any consequences arising therefrom.
- Users are strictly prohibited from using any chemicals that may have an impact on membrane elements during storage and operation. If such chemicals are used in violation of regulations, Hunan Aowei Environmental Protection Technology Co., Ltd. will not be responsible for any consequences arising therefrom.
Model of membrane element :
OV-L-4040
Stable desalination rate(％) :
99.7
Minimum desalination rate(％) :
99.5
Average water productionGPD(m³/d) :
2600(9.8)
Effective membrane areaft²(㎡) :
100(9.3)
● Testing conditions:
Test pressure225psi(1.55MPa)
Test solution temperature25℃
Test solution concentration(NaCl)2000ppm
Test solution pH value7
Recovery rate of single membrane element15%
● Operating and cleanimg limits:
Maximum operating pressure600psi(4.14 MPa)
Maximum inlet flow rate :75gpm (17m³/h) (8040)
Maximum inlet flow rate :16gpm (3.6m³/h) (4040)
Maximum inlet temperature45℃
Maximum inletSDI155
Inlet free chlorine concentration＜0.1 ppm
Inlet pH range for continuous operation2-11
Inlet pH range for chemical cleaning1-13
Maximum pressure drop of single membrane element15psi(0.1 MPa)
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