Reclaimed water Industrial wastewater reuse, after sewage treatment water can be used in agriculture, industry, construction, groundwater recharge, landscaping, recreation, river ecology maintenance
A custom-engineered, PLC-controlled reverse osmosis water treatment system with integrated UV and ozone disinfection, designed for demanding medical and industrial applications.
The system delivers a treatment capacity of 4 tons per hour with a 45% water recovery rate, handling feed water with TDS concentrations up to 400 mg/L.
An advanced semiconductor ultrapure water system featuring TOC levels below 1 ppb for semiconductor wafer cleaning applications. The system includes a dual-stage RO EDI reverse osmosis unit, high-performance pumps, and comprehensive PLC control.
An OEM/ODM pharmaceutical-grade pure water production system designed for storage and distribution in the pharmaceutical industry. This advanced system combines RO membrane reverse osmosis with EDI filtration technology to deliver high-purity water solutions.
| 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) |
Tongjie Environmental's STRO membrane technology features a patented open-channel, low-fouling flow path design that minimizes membrane blockage and enables stable, long-term operation even under extreme water quality fluctuations.
- 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."
— Tongjie Environmental
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.
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.
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DTRO is a patented special membrane separation technology used for treating high-concentration wastewater, leachate from landfills, leachate from composting sites, groundwater softening, drinking wate
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