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Reverse Osmosis Systems From 100 L/h to 100 m³/h

Lenntech-engineered RO systems — tap water, brackish water, and seawater desalination. Skid-mounted, containerized, fully automatic, ready to operate.

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Choose Your RO System

Six Lenntech-engineered families — from compact tap-water units to large-scale seawater desalination plants with energy recovery.

LennRO Mini Reverse Osmosis System
LENNTECH · LENNRO MINI

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
View LennRO Mini →
LennRO ECO Reverse Osmosis System
LENNTECH · LENNRO ECO

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
View LennRO ECO →
LennRO GreenLine Reverse Osmosis System
LENNTECH · LENNRO GREENLINE

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
View GreenLine →
Small Seawater Reverse Osmosis Plant
LENNTECH · SMALL SWRO

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
View Small SWRO →
Large Seawater Reverse Osmosis Plant
LENNTECH · LARGE SWRO

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
View Large SWRO →
Desalitech ReFlex Max CCRO System
DESALITECH · REFLEX MAX

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
View ReFlex Max →
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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
Data source: All specifications are taken directly from Lenntech official datasheets (LennRO Mini, LennRO ECO, LennRO GreenLine, Small SWRO, Large SWRO, and Desalitech ReFlex Max). Performance data is given for information purposes only and is subject to modification depending on actual water quality. Contact TOP Technique for a system sized to your specific feed water analysis.
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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.

Request a System Quote →
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Need Help Sizing Your RO System?

Send us your water analysis and required permeate flow — our engineers will recommend the right LennRO model and provide a full quotation.

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