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Ion Exchange · Pre-Treatment
Softening Plant
Pre-treatment to RO
Cooling tower & boiler make-up
Hardness (Ca / Mg) removal
15+ yr equipment life
A softener works on ion exchange — sodium-rich resin beads absorb the calcium and magnesium that drive water hardness, releasing sodium in their place.
High total hardness means scale on pipelines, boiler tubes, heat exchangers and MEE calandrias. Ahura Aqua's softeners are the standard pre-treatment to RO and make-up for cooling towers & boilers — protecting utility equipment for 15 years and more.
Application Spotlight · Critical
Nil Hardness for PW Generation & EDI
In Purified Water generation, even trace total hardness is the enemy of EDI. Calcium and magnesium scale the module's concentrate and electrode compartments, collapsing resistivity and shortening stack life. A softener ahead of RO–EDI is therefore non-negotiable — it must deliver essentially nil hardness for the EDI to run stably and hold USP / EP conductivity targets.
How Softening Works
SERVICE
Ion Exchange
Removes (Hardness)
Ca²⁺
Mg²⁺
Replaced by
Na⁺
from the sodium-charged resin bed
REGEN
Regeneration
When total hardness creeps back up, the resin has spent its sodium. A brine wash recharges it and restores full ion-exchange capacity.
Brine (NaCl)
Na⁺ recharges resin
Capacity restored
Total Hardness ↓
No scale on interior pipelines, boiler tubes, heat exchangers & multi-effect evaporator calandrias
Standard Features
F-01
Fully Automatic, Pre-Assembled
Plug-and-play units with timer or meter control, ready for site install.
F-02
Pressure-Rated Steel Tanks
Engineered for 45 psi working pressure and hydro-tested at 75 psi.
F-03
Stops Scale Downstream
Cutting hardness extends the life of UF + RO and utilities — boilers, cooling towers, MEE.
F-04
Auto Regeneration
Timer- or meter-triggered brine regeneration restores ion-exchange capacity automatically.
Product Configurations
Configuration A
Mild Steel Water Softeners
Exchange Capacity
— spec on enquiry
Service Flow Rate
— spec on enquiry
Tank Diameter
24" – 84" dia
Features
- ✓ Epoxy-coated mild steel
- ✓ Diaphragm / butterfly valves*
- ✓ Digital stager or PLC
Configuration B
FRP Water Softeners
Exchange Capacity
— spec on enquiry
Service Flow Rate
— spec on enquiry
Tank Diameter
14" – 63" dia
Features
- ✓ FRP tanks
- ✓ Diaphragm / butterfly valves*
- ✓ Digital stager or PLC
* Valve selection (diaphragm / butterfly) configured to duty · steel tanks engineered for 45 psi working pressure, tested at 75 psi · regeneration recharges resin with sodium chloride brine.