Seawater RO Desalination Equipment with 4 tons per hour capacity and 45% water recovery rate for high COD levels up to 500 mg/L

Product Summary
Seawater Purification RO Desalination Equipment Pressure Vessel 200 liters/hour capacity seawater desalination and water treatment reverse osmosis system designed for industrial applications. System Overview Shanghai Tongjie Environmental Technology Co., Ltd., a trusted name in industrial wastewater ...
Basic Properties
Place of Origin: China
Brand Name: stjept
Trading Properties
Minimum Order Quantity: 1
Price: 1000000$
Payment Terms: T/T
Product Description
Seawater Purification RO Desalination Equipment Pressure Vessel
200 liters/hour capacity seawater desalination and water treatment reverse osmosis system designed for industrial applications.
System Overview
Shanghai Tongjie Environmental Technology Co., Ltd., a trusted name in industrial wastewater treatment and membrane separation technology, has successfully commissioned a customized STRO (Spiral Tube Reverse Osmosis) hospital wastewater treatment system for WuXi AppTec's manufacturing site in Singapore.
Technical Specifications
Parameter Value
Treatment Capacity 4 tons per hour
Water Recovery Rate 45%
COD Levels Up to 500 mg/L
TDS Concentrations Up to 400 mg/L
pH Level 13 (strong alkalinity)
Technology Advantages
Tongjie Environmental's STRO membrane technology offers a distinct advantage: its patented open-channel, low-fouling flow path design minimizes membrane blockage and enables stable, long-term operation even under extreme water quality fluctuations.
Ideal Applications
  • Hospital wastewater reuse
  • Zero-liquid-discharge (ZLD) pretreatment
  • High-salinity industrial water recycling applications
"We are proud to support WuXi AppTec's sustainability goals with a robust, energy-efficient treatment system that reduces liquid waste volume while maximizing water recovery. This project not only validates our STRO technology in a rigorous regulatory environment like Singapore but also strengthens our presence in the fast-growing Southeast Asian water treatment market."
Company Expertise
With over a decade of R&D and engineering experience, Tongjie Environmental specializes in:
  • STRO/DTRO membrane systems
  • Landfill leachate treatment
  • Industrial zero-discharge solutions
The company has delivered hundreds of projects across China and export markets, including Southeast Asia, the Middle East, and South America.
Medical water treatment equipment diagram showing system components and flow
STRO Hospital Medical Water Treatment System installation view
About Tongjie Environmental
Shanghai Tongjie Environmental Technology Co., Ltd. is a high-tech enterprise focused on the R&D, design, manufacturing, and after-sales support of advanced membrane separation systems. The company's core technologies include STRO, DTRO, NF, and UF membrane processes, serving industries such as medical, chemicals, landfill leachate, and power generation.
Product Details
Treatment Capacity: 4 Tons Per Hour
Membrane Processes: STRO, DTRO, NF, UF
Water Recovery Rate: 45%
COD Levels: Up To 500 Mg/L
TDS Concentrations: Up To 400 Mg/L
PH Level: 13

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