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RIEFILT GmbH RF-ROCON

Reverse osmosis plant (RO DTS 20) in 20-foot container – 100 m³/day – Suitable for seawater / wastewater

For sale: a robust and well-maintained disc-tube reverse osmosis plant (RO DTS 20) installed in an insulated 20-foot container. The plant was originally designed for seawater desalination and was operated by the THW (German Federal Agency for Technical Relief) for 20 years. In fact, the unit was only deployed during two disaster relief operations. All modules have been cleaned and preserved. All main components, such as the high-pressure pump and valves, have been replaced. The system is connected and operated once per quarter. It is also ideally suited for the treatment of industrial wastewater or brackish water – e.g., for remediation projects, landfill leachate treatment, or process water recycling.

The disc tube technology makes the reverse osmosis plant highly versatile and offers genuine added value to operators.

Technical specifications:

General:

• Model: Reverse Osmosis RO DTS 20 (Disc-Tube System)
• Year of manufacture: approx. 2004
• Container size: 20-foot insulated (6058 x 2438 x 2591 mm)
• Permeate output: approx. 100,000 liters/day
• Transport weight: approx. 12,000 kg / Operating weight: approx. 14,000 kg

Water parameters & suitability:

• Feed water: originally seawater (up to 45,000 µS/cm)

Applications:
✅ Seawater desalination
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✅ Brackish water treatment
✅ Treatment of lightly polluted industrial wastewater
✅ Landfill leachate / process water / recycling circuits

Conversion possible: Yes – by adapting pre-filtration, chemical dosing, and control system

Performance data:

• Feed water throughput: approx. 13,600 l/h
• Permeate conductivity: < 700 µS/cm
• Efficiency: 30–35 %
• Temperature range: 0–35 °C
• Operating pressure DT module: 30–60 bar (max. 70 bar)

Electrical system:

• Supply voltage: 400 V / 3-phase / 50 Hz
• Connected load: approx. 30 kW
• Control voltage internal: 230 V AC / 24 V DC

Hydraulic connections:

• Feed water inlet: DN65
• Permeate outlet: DN50
• Concentrate/wastewater outlet: DN65

Condition & advantages:

✔ Very good condition, fully functional
✔ Regular maintenance performed
✔ Ready for immediate operation or refurbishment
✔ Ideal as mobile solution for temporary operations or international projects
✔ Lower investment compared to new construction
✔ Maintenance service available upon request

Price: negotiable

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