Lenntech - Ion Exchange Demineralization Plants

• Cationic operating capacity*: 1 eq/L
• Anionic operating capacity*: 0,5 eq/L
• Water TDS max.: 500 ppm
• Regeneration cycle:
• Small scale: 24 hrs / column
• Large scale: 6 hrs / column
• No. cationic column:
• Small scale: 1
• Large scale: 2
• No. anionic column:
• Small scale: 1
• Large scale: 2
• Water outlet with co-current regeneration*: < 30 uS/cm
• Water outlet with counter -current regeneration*: < 5 uS/cm
• Recovery at 500 ppm TDS: 76%

*Indicative values for feed tap water at TDS = 500 ppm

• Feed pump (optional)
• Cationic column
• CO2 scrubber (optional)
• Anionic column
• Conductivity probe
• Regeneration station with
• Acid dosing station
• Caustic dosing station
• Dilution pump
• Electrical valves and fittings
• Control panel

Regeneration is performed on conductivity signal or water volume