Lenntech Water Treatment

- Model EDI Series - Reverse Osmosis + EDI Tap / Low Brackish Water up to 500 l/h

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Lenntech reverse osmosis +EDI systems provide low conductivity water (Demi water) from tap water and low brackish water. Lenntech units are ready-to-use, skid mounted, easy to operate. Compact design, low energy demand and high recovery; Fully automatic system, microprocessor controlled.

  • 5-micron cartridge filter;
  • High pressure pump;
  • High performance Dow membranes;
  • Fiberglass pressure vessels;
  • Permeate and concentrate flow meters;
  • Pressure indicators after each pump;
  • Low pressure switch before the HPP;
  • Control cabinet fully automatic;
  • CIP connections;
  • PVC piping;
  • Needle valves, high pressure throttle valve, high pressure check valve in stainless steel.

  • Twin softener- pre-treatment;
  • CIP connections;
  • Testomat;
  • Unitronics PLC with 10” colour touch screen;
  • Data logging and trending possible.

  • LennRO-EDI: 500
  • Permeate flow m3/h: 0.5
  • Feed flow m3/h: 0.72
  • Recirculation flow m3/h: 1
  • Recovery: 75%
  • Permeate TDS (iS/cm: <0.8
  • Membranes: LCHR4040
  • Array ((/Vessels): 1/1/1
  • Pump power: 2.2 kW
  • EDI Recovery: Up to 95%
  • EDI module:

  • Total dissolved solids: Max. 600 ppm
  • pH value continuously: 2-11
  • pH short time during cleaning: 1-12
  • Dissolved iron: Max 0.05 ppm
  • Dissolved manganese: Max 0.05 ppm
  • Chlorine (continuously): 0 ppm
  • Oil and grease: 0 ppm
  • Silt Density Index SDI15: <3
  • Turbidity: < 1 N TU
  • Temperature: Min. 8°C-max. 20°C
  • Pre-pressure: Min. 2 bar - max. 4 bar

Reverse Osmosis units often required pre-treatment for the following parameters:

  • Suspended solids
  • TOC, COD/BOD, oil and grease
  • Iron and manganese
  • Hardness

Lenntech provides all kinds of pre and post treatment required before and after your RO, according to your water analysis and process requirements.

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