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Brief Introduction
This series of membrane elements features low operating pressure, small investment in equipment, good and stable desalination performance. With a maximum desalination rate of 99.85%, seawater of different salinities can be desalinated into fresh water for direct consumption. In addition to the very high desalination rate, the feed water temperature range is also extended, reducing the cost of system operation.
Specifications and Major Properties
| Model | Average Permeated Flow GPD (m3/d) | Stable Rejection Rate (%) | Minimum Rejection Rate (%) |
| IWL 21-8040 | 10000(37.8) | 99.5 | 99.2 |
| IML 22-8040 | 1 1000(41.5) | 99.5 | 99.2 |
| IWL 21-4040 | 2500(9.4) | 99.5 | 99.2 |
Testing Conditions:
Testing Pressure: 225 psi (1.55Mpa)
Temperature of Testing Solution: 25°C
Concentration of Testing Solution (NaCl): 2000ppm
pH Value of Testing Solution: 7.5
Recovery Rate of Single Membrane Element: 15%
Extreme Operation Conditions
Max. Working Pressure: 600psi(4. 14Mpa)
Max. Feedwater Flow: 75gpm(17 m3/h) (8040)
16gpm (3.6 m3/h) (4040)
Max. Feedwater T emperature: 45°C
Max. Feedwater SDI: 5
Residual chlorine Concentration of Feedwater: < 0.1ppm
pH Range of Feedwater during Continuous Operation: 3~10
pH Range of Feedwater during Chemical Cleaning: 2~12
Max. Pressure Drop of Single Membrane Element: 15psi(0.1Mpa)
Dimensions of Membrane Element
All dimensions are shown in: millimeter (inch)
Applications
1. Electric power industry water heat, thermal power generation boiler plant and mining enterprises, medium and low pressure boiler power, feed water system.
2. Chemical industry water chemical reaction cooling, chemical agents, fertilizer and fine chemical, cosmetics manufacturing process water system.
3. Beverage industry water drinking pure water, natural water, beverages, low wine blending water, pure draft beer filtration, etc.
4. Public water treatment system desalination, schools, communities, hotels, real estate properties, water plants and other quality water supply network systems.
5. Seawater desalination drinking water supply platform for sea docks, island water, etc.
6.Highly salty and bitter water RO system for recycling and zero drainage system.
Brief Introduction
This series of membrane elements features low operating pressure, small investment in equipment, good and stable desalination performance. With a maximum desalination rate of 99.85%, seawater of different salinities can be desalinated into fresh water for direct consumption. In addition to the very high desalination rate, the feed water temperature range is also extended, reducing the cost of system operation.
Specifications and Major Properties
| Model | Average Permeated Flow GPD (m3/d) | Stable Rejection Rate (%) | Minimum Rejection Rate (%) |
| IWL 21-8040 | 10000(37.8) | 99.5 | 99.2 |
| IML 22-8040 | 1 1000(41.5) | 99.5 | 99.2 |
| IWL 21-4040 | 2500(9.4) | 99.5 | 99.2 |
Testing Conditions:
Testing Pressure: 225 psi (1.55Mpa)
Temperature of Testing Solution: 25°C
Concentration of Testing Solution (NaCl): 2000ppm
pH Value of Testing Solution: 7.5
Recovery Rate of Single Membrane Element: 15%
Extreme Operation Conditions
Max. Working Pressure: 600psi(4. 14Mpa)
Max. Feedwater Flow: 75gpm(17 m3/h) (8040)
16gpm (3.6 m3/h) (4040)
Max. Feedwater T emperature: 45°C
Max. Feedwater SDI: 5
Residual chlorine Concentration of Feedwater: < 0.1ppm
pH Range of Feedwater during Continuous Operation: 3~10
pH Range of Feedwater during Chemical Cleaning: 2~12
Max. Pressure Drop of Single Membrane Element: 15psi(0.1Mpa)
Dimensions of Membrane Element
All dimensions are shown in: millimeter (inch)
Applications
1. Electric power industry water heat, thermal power generation boiler plant and mining enterprises, medium and low pressure boiler power, feed water system.
2. Chemical industry water chemical reaction cooling, chemical agents, fertilizer and fine chemical, cosmetics manufacturing process water system.
3. Beverage industry water drinking pure water, natural water, beverages, low wine blending water, pure draft beer filtration, etc.
4. Public water treatment system desalination, schools, communities, hotels, real estate properties, water plants and other quality water supply network systems.
5. Seawater desalination drinking water supply platform for sea docks, island water, etc.
6.Highly salty and bitter water RO system for recycling and zero drainage system.
