3 Tons Per Hour Dual-Stage Reverse Osmosis Equipment Product Introduction
The 3 tons per hour dual-stage reverse osmosis (RO) system is a high-efficiency water purification solution designed for industrial and
commercial applications requiring ultra-pure water. Combining advanced membrane technology and automated controls, this system
ensures stable operation, energy efficiency, and compliance with stringent water quality standards.
Core Features
1. Dual-Stage RO Design
The system utilizes two stages of reverse osmosis membranes (e.g., BW30-4040 or similar models). The first stage removes up to 98% of
dissolved salts, colloids, and organic impurities, while the second stage further reduces residual ions, achieving a resistivity
of up to 18 MΩ·cm. This dual-stage process guarantees water purity suitable for electronics, pharmaceuticals, and high-end
material processing.
2. Comprehensive Pretreatment
A robust pretreatment system includes quartz sand filtration, activated carbon adsorption, and precision filtration (5μm) to eliminate
suspended solids, chlorine, and organic contaminants. An automatic dosing system injects scale inhibitors to prevent membrane
fouling, ensuring long-term membrane durability.
3. Automated Operation
Equipped with PLC control and pressure sensors, the system enables one-touch startup, real-time monitoring of parameters (pressure,
flow rate, TDS), and automatic alarms for abnormal conditions. The integrated high-pressure pump (5.5 kW, 15 bar) optimizes energy
consumption while maintaining consistent output.
4. Compact and Durable Structure
The modular design minimizes footprint, and components like stainless steel or FRP pressure vessels enhance corrosion resistance. UV
sterilization or ozone treatment can be added post-RO to ensure microbial safety.
Applications
– Industrial Use: Boiler feed water, semiconductor manufacturing, and chemical processes.
– Drinking Water: Municipal or community pure water supply compliant with GB17324-2000 standards.
– Wastewater Reuse: Desalination and recycling of industrial wastewater.
Maintenance and Service
Regular membrane cleaning (every 240 operational hours) and replacement of filter media (e.g., quartz sand every 2,900 hours) are
recommended. The system includes a CIP (Clean-in-Place) module for easy maintenance.
With its high automation, reliability, and adaptability to diverse water sources, this 3-ton dual-stage RO system is an ideal choice
for achieving sustainable water resource management and operational cost efficiency.

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