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Reverse Osmosis System (1).jpg
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Commercial Reverse Osmosis System Suppliers in China - Factory Direct Drinking Water Purification Solutions

Reverse osmosis (RO) is a cutting-edge water purification technology utilized by leading China suppliers and factories. It employs advanced semi-permeable membrane technology to effectively eliminate impurities such as dissolved salts, organic matter, and bacteria from water sources. The fundamental principle involves applying pressure to allow water molecules to pass through a reverse osmosis membrane (RO membrane) with an ultra-fine pore size of 1/10,000 μm, while retaining harmful pollutants. This process ensures that the water produced meets stringent physical and chemical drinking water standards and hygiene regulations, resulting in clean and pure water. The water obtained through reverse osmosis (RO) technology is recognized as the highest purity available among water purification methods, achieving an exceptional cleanliness level of almost 100%.

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    Product Details

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    Products Description

    RO equipment is currently one of the most advanced systems for producing pure water in global water treatment technology. It features low operating costs, economic efficiency, ease of operation, and reliable performance, making it the preferred choice for businesses requiring pure water production. The production capacity of RO equipment is based on raw water at 25°C, which represents the standard production condition. Variations in water temperature and production conditions may influence the equipment's output capacity.

    Industrial reverse osmosis equipment must be configured with different processes according to specific water quality requirements. Water standards vary across industries, such as resistivity levels ranging from 18 MΩ·cm to 0.5 MΩ·cm and conductivity ranging from 20 μS/cm to 0.1 μS/cm. Therefore, it is essential to configure appropriate pretreatment systems, single-stage or double-stage reverse osmosis processes, and post-treatment systems (e.g., EDI electric demineralization systems, polishing mixed bed systems, ultraviolet sterilization, ozone generators, chlorine dioxide systems, etc.) to meet these diverse standards.

    Reverse Osmosis System (1)
    Reverse Osmosis System (2)

    Major Components

    1. Pretreatment System
    Multi-media Filter: Removes suspended solids, sediments, and other large particulate impurities.
    Activated Carbon Filter: Adsorbs organic compounds, residual chlorine, odors, and other contaminants.
    Softener: Eliminates calcium and magnesium ions from water to prevent scale formation.
    2. Reverse Osmosis Membrane
    Core component, typically constructed of polyamide or cellulose acetate materials, with an extremely small pore size (approximately 0.0001 microns). It effectively intercepts dissolved salts, bacteria, viruses, and other microorganisms.
    3. High-Pressure Pump
    Supplies sufficient pressure (generally ranging from 100 to 1000 psi) to enable water molecules to permeate through the reverse osmosis membrane.
    4. Post-treatment System
    UV Sterilizer: Provides additional sterilization by eliminating bacteria and viruses.
    Ozone Generator: Utilized for disinfection and odor removal processes.
    5. Control System
    PLC Controller: Automates equipment operation and monitors parameters such as pressure, flow rate, and water quality.
    Instruments: Devices such as pressure gauges, flow meters, and conductivity meters are employed for real-time monitoring and data collection.

    Products Specification

    Reverse osmosis feed water requirements

    Project Unit Indicator
    pH(25℃) - 4~11 (running) 2~11 (cleaning)
    Turbidity NTU <1.0
    Silt Density Index (SDI) - <5
    Free residual chlorine mg/L <0.1[1], Control to 0.0
    Iron mg/L <0.05(Dissolved oxygen >5mg/L)[2]
    Manganese mg/L <0.3
    Aluminum mg/L <0.1
    Water temperature[3] ℃ 5~45
    Note:
    [1] At the same time to meet the total dose of less than 1000 h.mg / L during the life of the membrane.
    [2] Iron oxidation rate depends on the iron content, dissolved oxygen concentration in water and water pH, when pH <6, dissolved oxygen <0.5mg/L, allowing the maximum Fe2+<4mg/L.
    [3] Reverse osmosis unit of the optimal design of the water temperature of 20℃ ~ 25℃.

    Advantages

    • Broad removal of impurities: Capable of removing not only inorganic salt ions but also various organic impurities from water.
    • No phase change during the water separation process, achieving a high desalination rate (up to 99.7%).
    • High water production capacity with compact equipment size, enabling skid-mounted installation or customization based on site dimensions.
    • Low energy consumption, automatic operation, and minimal investment cost.
    • Strong adaptability, wide application range, and no environmental pollution.
    Reverse Osmosis System (3)

    Scope of Application

    As the core treatment equipment for water desalination systems, reverse osmosis equipment, when combined with pretreatment and subsequent desalination systems, has been widely applied in water treatment, electronics, chemicals, pharmaceuticals, food and beverages, metallurgy, and environmental protection sectors.

    Frequently Asked Questions

    Q What is the optimal water temperature for reverse osmosis equipment design?
    The optimal design water temperature for the reverse osmosis unit is between 20°C and 25°C. Variations in water temperature may influence the equipment's overall output capacity.
    Q What does the pretreatment system of an RO system consist of?
    The pretreatment system typically consists of a Multi-media Filter (to remove suspended solids and sediments), an Activated Carbon Filter (to adsorb organic compounds, residual chlorine, and odors), and a Softener (to eliminate calcium and magnesium ions to prevent scale formation).
    Q What is the salt desalination rate of this reverse osmosis system?
    The system achieves a high desalination rate of up to 99.7% without undergoing any phase change during the water separation process.
    Q What are the feed water turbidity and SDI requirements for the RO system?
    For optimal performance, the feed water turbidity must be less than 1.0 NTU, and the Silt Density Index (SDI) must be less than 5.
    Q What industries commonly apply reverse osmosis equipment?
    Reverse osmosis equipment is widely applied in water treatment, electronics, chemicals, pharmaceuticals, food and beverages, metallurgy, and environmental protection sectors.

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