High-salinity wastewater salt resource recovery equipment with DTRO membrane purification for 160bar high-pressure operation, 45% water recovery rate, and up to 500 mg/L COD levels

Chemical metallurgy multi-effect concentration high-ratio concentration system with DTRO membrane purification equipment, 160bar high-pressure operation, high-concentration multiple purification.

High-salinity wastewater salt resource recovery equipment, chemical metallurgy multi-effect concentration high-ratio concentration system, DTRO membrane purification equipment, 160bar high-pressure operation, high-concentration multiple purification.

Skid-mounted seawater desalination systems featuring brackish water desalination, fully automatic saltwater filtration, and outdoor reverse osmosis technology for drinking water production. Available in containerized and mobile configurations with custom capacities including 100TPD, 150TPD, 200TPD, and 400LPH, achieving 99.2% desalination rate.

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

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.