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18 years of experience as a source manufacturer of water treatment equipment, supporting ODM/OEM.

3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 1
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3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 7
3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 1
3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 2
3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 3
3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 4
3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 5
3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 6
3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 7

3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System

This industrial-grade reverse osmosis (RO) system is designed for 2–3 m³/h continuous permeate flow, built for commercial and light industrial facilities requiring reliable, high-volume purified water.

The system features a full pre-treatment chain (multi-media sand filtration + activated carbon filtration), a dedicated chemical dosing system, a precision security filter, and a high-efficiency RO unit. It effectively removes sediment, chlorine, organic contaminants, scaling ions, and dissolved salts, delivering consistent, high-quality water for manufacturing, food & beverage, boiler feed, and general process applications.

Designed for intermittent on-demand operation instead of 24-hour continuous running, it supports flexible start and stop to save energy and reduce equipment wear, perfectly matching places with fixed working hours water demand.
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    Core Process Flow

    3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 8
    ⚙️ Multi-Media Filtration (MMF)
    Removes suspended solids, sediment, rust, and turbidity from raw water, protecting downstream components and preventing clogging.
    3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 9
    ⚙️ Activated Carbon Filtration (ACF)
    Eliminates residual chlorine, organic compounds, tastes, odors, and color, protecting the RO membrane from oxidation and fouling.
    3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 10
    ⚙️Chemical Dosing System
    A fully integrated dosing station for scale inhibitors, flocculants, or pH adjusters, ensuring optimal feed water conditions for the RO membrane and preventing mineral scaling.
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    ⚙️ Security Filtration
    A high-capacity cartridge filter captures fine particulates, acting as the final barrier before the RO membrane to reduce fouling risk.
    3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 12
    ⚙️ Reverse Osmosis (RO) System
    The core purification stage removes over 98% of dissolved salts, heavy metals, bacteria, and other contaminants, producing high-purity water for industrial use.

    Technical Specifications

    Parameter Specification
    Rated Permeate Flow 3–20 m³/h (3,000–20000 L/h)
    System Configuration MMF → ACF → Dosing System → Security Filter → RO
    RO Recovery Rate 50–75% (adjustable based on feed water)
    TDS Rejection Rate ≥98%
    Dosing Function Scale inhibitor, flocculant, pH adjustment (configurable)
    Tank Material FRP (Sand & Carbon Filters)
    RO Membrane Housing FRP / Stainless Steel
    Control System Automatic Multiport Valves + RO Control Panel
    Operating Temperature 5–45°C
    Power Supply 220V/380V, 50/60Hz (Customizable)
    Certification CE Compliant

    Benefits for Your Business

    • Superior Membrane Protection: The integrated dosing system prevents scale formation, extending the RO membrane’s service life and reducing replacement costs.

    • Consistent High-Purity Water: The RO system reliably meets the water quality standards of industrial processes, ensuring product quality and process stability.

    • Low Maintenance & Downtime: Automated backwashing, flushing, and dosing control minimize manual intervention and unplanned stops.

    • Space-Efficient Layout: The modular design allows for flexible installation in industrial facilities, with clear separation of pre-treatment and RO stages.

    • Versatile Applications: Suitable for boiler feed water, manufacturing processes, food & beverage production, agriculture, and commercial use.


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    📦 What’s Included

    3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 14 2 x FRP tanks (Multi-Media Filter + Activated Carbon Filter) with automatic control valves

    3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 15 1 x dedicated chemical dosing system (pump, tank, and accessories)

    3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 16 1 x large-capacity security filter housing

    3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 17 Complete RO skid with pressure vessels, high-pressure pump, and control panel

    3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 18Pressure gauges, flow meters, and conductivity monitor

    3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 19Pre-plumbed piping and valves

    3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 20 User manual and installation guide

    💼 OEM/ODM Services

    As a professional light-custom water treatment equipment manufacturer, we offer comprehensive OEM/ODM solutions to meet your unique requirements:

    3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 21Custom flow rates and system configurations

    3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 22 Branding and logo customization

    3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 23Design modifications for specific feed water conditions

    3–20 T/H Industrial RO Systems With Pre-Treatment Dosing System 24 Packaging and documentation tailored to your target market






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    Shandong Qingqingquan Environmental Protection Technology Co., Ltd. is a professional water treatment equipment manufacturer integrating R&D, production, and sales, focusing on providing water treatment equipment for residential, commercial, and industrial applications to global customers.
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