Water treatment plant

RIEFILT RO-Umkehrosmoseanlage

RO 510-DT2-15S – Compact Seawater Reverse Osmosis System, approx. 15,000 L/day Potable Water

Compact, fully automated reverse osmosis system for the production of hygienic drinking and process water from natural seawater. Ideal for maritime applications, island supply, hotels, as well as small-scale industrial and utility operations.

Technical Specifications

Type: RO 510-DT2-15S

Process: Reverse osmosis with Disc-Tube (DT) technology

Permeate Output: Approx. 15,000 L/day (15 m³/day, depending on operating conditions)

Feed Water: Seawater with high conductivity, approx. 55,000 µS/cm (high salinity)

Permeate Quality: Drinking water, approx. 500 mg/L residual minerals (reference value)

Recovery Rate: Approx. 30% (typical operating range) at 55,000 µS/cm conductivity

Design Temperature: Approx. 25°C (Operating range: approx. −2 to 35°C)

Process Technology & Configuration

DT module with open feed channel – highly fouling-tolerant and fully cleanable

Mechanical pre-filtration (high-performance filter + 10 µm cartridge filter)

Chemical pre-treatment of feed water (acid dosing) generally not required

Integrated rinsing and CIP (clean-in-place) function, PLC controlled
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Skid-mounted on stainless steel frame (AISI 316)

High-pressure lines in stainless steel, low-pressure section in seawater-resistant plastic

Pumped seawater components made from corrosion-resistant materials

Operating & Energy Data

Feed Water Flow: Approx. 1,000 L/h (reference value)

RO Module Operating Pressure: High pressure range, designed for seawater desalination

Power supply: 230 V, 50 Hz, single phase

Connected load: Approx. 6 kW

Control, Monitoring & Safety

Local operator panel with integrated PLC control

Monitoring of pressures, flows, conductivity, and operating hours

Automatic shutdown in case of:

- Insufficient feed pressure
- Exceeding permissible operating pressure
- Overpressure in permeate/concentrate lines
- Exceeding defined conductivity limits (with automatic redirection to drain)

Automatic “Stop & Rinse” function: Permeate flushes all seawater-contacted components on shutdown, reducing fouling during system standby

Dimensions & Weight (Skid)

L × W × H: Approx. 1,190 × 705 × 1,500 mm

Weight: Approx. 530 kg (dry), approx. 605 kg (operating)

Typical Applications

Vessels, offshore platforms, ports

Island and coastal supply

Hotels, resorts, small industrial and utility operations

Backup or peak load system for existing potable water production

Additional technical documentation, photos, and information on scope of supply, pricing, and availability are available on request.

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