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Ion Exchange System


Ion Exhange System for wastewater treatment or reuse of metal treatment application
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Ion exchange demineralization plants


5 m3/h IX- demi plant

Hinada designs and build tailor-made IX demi-plants to produce demi-water from groundwater, tapwater or RO permeate.

General Design data:

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

Small-scale IX demi plants data for 500 mg/L TDS tap water*:

Flows (L/h) 100 200 500 1000
Bed depth (m) 0.8 0.8 0.8 0.8
SAC resin volume (L) 25 50 125 250
SBA resin volume (L) 50 100 250 500
SAC column diameter (mm) 200 285 450 630
SBA column diameter (mm) 285 400 630 900
Co-current Reg. HCl 33% (kg / reg.) 6 12 30 60
Co-current Reg. NaOH 50% (kg / reg.) 8 16 40 80
Counter-current Reg. HCL 33% (kg / reg.) 3 6 15 30
Counter-current Reg. NaOH 50% (kg / reg.) 4 8 20 40

Large-scale IX demi plants data for 500 mg/L TDS tap water:

Flows (m3/h) 5 10 20 50 70
Bed depth (m) 0.8 0.8 0.8 1 1.2
SAC resin volume (L) / column 315 630 1260 3150 4410
SBA resin volume (L) 630 1260 2520 6300 8820
SAC column diameter (m) 0.7 1 1.4 2 2.2
SBA column diameter (m) 1 1.4 2 2.8 3.0
Co-current Reg. HCl 33% (kg / reg.) 75 150 300 770 1070
Co-current Reg. NaOH 50% (kg / reg.) 100 200 400 1000 1410
Counter-current Reg. HCL 33% (kg / reg.) 37,5 75 150 385 535
Counter-current Reg. NaOH 50% (kg / reg.) 50 100 200 500 705

Our Ion Exchange plants include:

- 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




Ion exchange plants

Ion exchange resin


HINADA is a professional manufacturer of water treatment Membranes and Equipments, we can be customized for customers according to project requirement, while providing customers with technical support and design solutions
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