Choose Your RO System
Six Lenntech-engineered families — from compact tap-water units to large-scale seawater desalination plants with energy recovery.
LennRO Mini — 100 & 200 L/h
- Permeate flow: 100 / 200 L/h
- Recovery: 75%
- Permeate TDS: < 50 ppm
- Membranes: 1x XLE 4021 (100) / 1x XLE 4040 (200)
- Pump power: 0.55 kW
- Feed TDS: Max. 500 ppm
- Pre-pressure: 2–4 bar
LennRO ECO — 200 to 1600 L/h
- Permeate flow: 200–300 / 400–550 / 1000–1200 / 1400–1600 L/h
- Recovery: 75%
- Max pressure: 14 bar
- Power: 0.7 kW to 11 kW (3~400V)
- Membrane: XLE 4040 / XLE-440
- Application: Boilers, cooling, breweries, laundry
LennRO GreenLine — 250 to 1500 L/h
- Models: G1 (250 L/h) to G6 (1500 L/h)
- Recovery: 50% (G1) — 75% (G2–G6)
- Permeate TDS: < 100 ppm
- Membranes: Up to 6x XLE 4040
- Pump: 1.5 kW with variable speed drive
- Feature: Multi-flow — change capacity by isolating vessels
Small SWRO — 100 to 2000 L/h
- Permeate flow: 100 / 250 / 500 / 1000 / 1500 / 2000 L/h
- Recovery: 30–35%
- Rejection: > 95%
- Feed TDS: 35,000 ppm (seawater)
- Power: 2.2 kW to 18 kW (400V, 50Hz)
- Includes: Antiscalant dosing, 5-micron filter, SW membranes
Large SWRO — 5 to 100 m³/h
- Models: SWRO-L 5 / 10 / 20 / 30 / 50 / 70 / 100 m³/h
- Recovery: ~45%
- Salt rejection: ~95% at 25°C
- Energy recovery: Turbine or pressure exchanger
- Power: 15–20 kW to 280–360 kW (400V, 50Hz)
- Membranes: 8" seawater RO membranes
ReFlex Max — CCRO Technology
- Technology: Closed Circuit Desalination (CCD™)
- Adjustable recovery: 40–98%
- Rejection: 95.0–99.5%
- Feed TDS: 5,000–70,000 mg/L
- Max pressure: 1,200 psi (83 bar)
- Benefits: 75% less water waste, 35% lower energy
Compare All RO System Families
All specifications below are taken directly from Lenntech's official datasheets.
| Parameter | LennRO Mini | LennRO ECO | LennRO GreenLine | Small SWRO | Large SWRO | ReFlex Max |
|---|---|---|---|---|---|---|
| Feed Water Type | Tap water | Tap / low brackish | Tap / low brackish | Seawater | Seawater | Brackish / seawater / wastewater |
| Permeate Flow | 100 / 200 L/h | 200–1600 L/h | 250–1500 L/h | 100–2000 L/h | 5–100 m³/h | Custom |
| Recovery | 75% | 75% | 50–75% | 30–35% | ~45% | 40–98% |
| Salt Rejection | < 50 ppm TDS | — | < 100 ppm TDS | > 95% | ~95% | 95.0–99.5% |
| Feed TDS Max | 500 ppm | 3,000 ppm | 1,000 ppm | 45,000 ppm | 35,000–45,000 ppm | 70,000 mg/L |
| Membrane Type | XLE 4021 / XLE 4040 | XLE 4040 / XLE-440 | Up to 6x XLE 4040 | SW 4" | SW 8" | TFC, 380–440 ft² |
| Pump Power | 0.55 kW | 0.7–11 kW | 1.5 kW (VSD) | 2.2–18 kW | 15–360 kW | — |
| Max Pressure | — | 14 bar | — | — | — | 83 bar |
| Energy Recovery | — | — | — | Optional | Turbine / PX | CCRO™ |
| Typical Application | Small labs, kitchens | Boilers, cooling, breweries | Flexible process water | Resorts, ships, remote areas | Industrial, municipal | Brine concentration, ZLD |
What’s Included in Every LennRO System
Every Lenntech RO system is delivered complete and ready to operate — no missing components, no surprises.
5-micron cartridge filter
High-pressure pump (brass / SS head)
Front panel permeate conductivity display
High-performance Dow membranes
Fiberglass pressure vessels
Permeate & concentrate flow meters
Pressure indicators (feed, HP, concentrate)
Low-pressure switch before HPP
Microprocessor-controlled automation
PVC piping, flexible braided hose, PE hose
Needle valves & inlet valve
CIP connections (GreenLine & above)
Inside a Modern RO Desalination Plant
Watch how reverse osmosis transforms seawater into high-purity process water. This hyper-realistic 3D animation shows the intake, pre-treatment, high-pressure membrane stages, and energy recovery systems — the same technologies TOP Technique supplies and supports every day.
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