STRO Water Treatment System with 45% Water Recovery Rate and Open-Channel Flow Path Design for 4 Tons Per Hour Capacity

Fully Automatic Food and Beverage Liquid Nitrogen Quantitative Feeder Filling Machine designed for energy drinks, fruit juices, and drinking water applications.

Hospital Medical Water System - Medical Laboratory Pure Water Treatment Equipment engineered for demanding healthcare environments.

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.

• Treatment capacity: 4 tons per hour
• Water recovery rate: 45%
• Designed for challenging pharmaceutical effluent profiles
• Handles COD levels up to 500 mg/L
• Processes TDS concentrations reaching 400 mg/L
• Manages strong alkalinity (pH 13) and high chloride content

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.

• Hospital wastewater reuse
• Zero-liquid-discharge (ZLD) pretreatment
• High-salinity industrial water recycling applications

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.

This latest delivery reinforces Tongjie Environmental's reputation as a reliable partner for high-end hospital and chemical wastewater treatment, and positions the company for further global expansion as industries increasingly adopt water conservation and circular economy practices.

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.