| Certification: | ISO9001, CE |
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| Salt Rejection Rate: | 99.5% |
| Application: | Industry |
| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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What are the types of membranes for drinking water ro systems?
1. Cellulose acetate reverse osmosis membrane. Cellulose acetate is also called acetyl cellulose or cellulose acetate. Cellulose acetate is usually obtained from cotton and wood containing cellulose through esterification and hydrolysis, and then processed into reverse osmosis membrane.
2. Composite reverse osmosis membrane. The composite reverse osmosis membrane is mainly composed of the above two materials, consisting of a thin dense layer and porous support layer. The porous support layer, also known as the base membrane, enhances mechanical strength. The dense layer, also called the epidermis, plays a role in desalting, so it is also called the desalting layer. The thickness of seawater desalination layer is generally 50nm, and the thinnest is 30nm.
3. Polyamide reverse osmosis membrane. Polyamides include aliphatic and aromatic polyamides. The main applications in the 1970s were aliphatic polyamides, such as nylon-4, Nylon-6 and Nylon-66 membranes.
Since the pore size of the RO membrane is one millionth of the hair (0.0001 micron), it is generally invisible to the naked eye, and bacteria and viruses are 5000 times larger than it. Therefore, only water molecules and some mineral ions can pass through (the ions that pass through) No profit or loss orientation), other impurities and heavy metals are discharged from the waste water pipe.
What size unit of RO Water Treatment System do I need to purchase?
For different types of water, the limits of osmotic flux and elemental recovery in ro water treatment system are based on the correlation between SDI value and membrane contamination and the correlation between mineral content and elemental recovery respectively. For example, systems designed to have high permeability flux rates may experience higher scaling rates and more frequent chemical cleaning. The design of seawater systems is further limited by osmotic pressure and durability of membrane elements due to high salinity (> 36,000 PPM TDS).
Characteristics of RO Water Treatment System
Compared with other water treatment methods, it has the advantages of no phase change, normal temperature operation, simple equipment, high efficiency, less occupation, convenient operation, less energy consumption, wide range of adaptation, high degree of automation and good effluent quality. Reverse osmosis desalination rate and purity of produced water are higher than electrodialysis, for high fluoride and low salinity brackish water desalination by reverse osmosis, effluent water quality can reach our daily drinking purified water health standards. And reverse osmosis desalination brackish water energy consumption - - electricity consumption, water consumption are lower than electrodialysis, and reverse osmosis equipment compact structure, small footprint, stable and reliable operation effect, in line with the "clean production" requirements, reverse osmosis is more reasonable than other methods, effective desalination brackish water method.
Ro water treatment system method is used to desalinate brackish water with different salt content. The desalting rate of the system is above 96 %, and the quality of desalted water reaches the standard of drinking water. The brackish water desalination device of reverse osmosis system has strong adaptability. It can realize continuous treatment of brackish water with different salt content by adjusting operation parameters according to the quality of raw water. The device is highly integrated and is expected to become a complete set of finalized equipment.
Technical Parameters of RO Water Treatment System
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Model |
JFRO-500L |
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Host Size |
800x600x1600mm (can be customized) |
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Power |
1.5KW |
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Power Supply |
220V /380V/460V - 50Hz/60Hz,220V 50Hz can be customized |
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Operating Pressure |
0.8-1.2MPa |
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Recovery Rate |
50% |
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Designed Water Inlet22 |
2000L/h |
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Outlet Flow |
1000L/h |
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Desalination Rate |
≥99.5% |
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RO Frame |
SUS304 |
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Membrane Size |
4040 |
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Number of Membranes |
4 |
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Raw Water Pump |
CNP/NYP/ (Optional) |
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Raw Water Pump |
CNP/NYP (Optional) |
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Tank Material |
SS/FRP (Optional) |
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Control Valve |
Manual/Automatic |
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Control Valve Brand |
FLECK/RUNXIN |
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Membrane Housing |
SS/FRP (Optional) |
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Pipe Material |
U-PVC, Stainless steel (Optional) |
Introduction of RO Water Treatment System Consumables
1. Original water pump: to provide pressure to quartz sand filter/activated carbon filter/water softener;
2. Quartz sand filter: glass fiber as the shell, filled with quartz sand, can filter large particle impurities, suspended matter, colloid, etc.. It is important to remove sediment; (Optional shell and stainless steel, carbon steel)
Activated carbon filter: glass fiber as shell, filled with activated carbon, remove color, odor, residual chlorine and organic matter; (Optional shell and stainless steel, carbon steel)
4. Safety filter: prevent large particles, bacteria and viruses from entering RO film, accuracy is 5μm;
5. Reverse osmosis system: can remove particles, colloid, organic impurities, heavy metal ions, bacteria, virus, heat source, etc. Hazardous substances and 99% dissolved salt;
6. High pressure pump: provide high pressure to reverse osmosis membrane;
7. Polypropylene filter cartridge: interception of large particles, bacteria and viruses with accuracy greater than 5μm. (Optional);
8. Folding filter cartridge: intercept large particles, bacteria and viruses with accuracy > 0.22μm. (optional).
Classic model of reverse osmosis system:
1. Preferential adsorption capillary pore model: No pore was found under weak point dry state electron microscope. The wet membrane specimens are not electron microscopic samples.
2. Dissolution diffusion model: no holes are considered.
3. Dry closed wet open model: the most appropriate modern reverse osmosis mechanism model that can explain the unity of models 1 and 2. The "dry-closed wet-open" reverse osmosis model unifies the two most classical reverse osmosis mechanism models, the fine pore model and the dissolved diffusion model.
Process flow of RO water treatment system:
Composition of RO Water Treatment System
Reverse osmosis purified water treatment system generally includes pretreatment system, reverse osmosis device, post-treatment system, cleaning system and electrical control system.
1, the pretreatment system generally includes the original water pump, dosing device, quartz sand filter, activated carbon filter, precision filter, etc. Its main function is to reduce the pollution index of raw water and other impurities such as residual chlorine to meet the requirements of reverse osmosis inlet water.
2. Reverse osmosis device mainly consists of multistage high pressure pump, reverse osmosis membrane element, membrane shell (pressure vessel), bracket and so on. Its main function is to remove impurities in water, so that the water meets the requirements of use.
3. Post-treatment system is an additional configuration in the case that reverse osmosis cannot meet the requirements of outlet water. Mainly including negative bed, positive bed, mixed bed, sterilization, ultrafiltration and other one or more of the equipment.
4, cleaning system is mainly composed of cleaning water tank, cleaning water pump, precision filter. When the reverse osmosis system is polluted and the effluent index cannot meet the requirements, it is necessary to clean the reverse osmosis system to restore its efficacy.
5. Electrical control system is used to control the normal operation of the whole reverse osmosis system. Including instrument panel, control panel, all kinds of electrical protection, electrical control cabinet, etc.
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