What is Demineralised Water?
Demineralised water is water with:
1. Very low TDS (typically < 1–10 ppm)
2. No calcium, magnesium, chlorides, sulfates, sodium, etc.
3. High chemical purity
4. Not suitable for drinking
What is Industrial demineralised water plant?
An Industrial Demineralised (DM) Water Plant is a water treatment system used in industries to produce high-purity water by removing almost all dissolved minerals and salts.
Why Industries Need demineralised water
DM water prevents:
1. Scaling in boilers
2. Corrosion in pipelines and equipment
3. Product contamination in sensitive processes
Key Components of Industrial demineralised water plant
1. Pre-Treatment
--Multi media Filter (MMF): Removes suspended solids, dirt, turbidity
-- Activated Carbon Filter (ACF): Removes chlorine, organics, odor. Protects ion-exchange resins
2. Ion Exchange System
-- Cation Exchanger: Removes Ca²⁺, Mg²⁺, Na⁺
Regenerated using Hydrochloric Acid (HCl)
-- Anion Exchanger: Removes Cl⁻, SO₄²⁻, NO₃⁻
Regenerated using Caustic Soda (NaOH)
3. Mixed Bed Unit (Optional)
Polishing unit for ultra-pure water
Used in pharma, power plants, labs
Industrial Applications
1. Boiler feed water
2. Power plants
3. Pharmaceutical industry
4. Chemical manufacturing
5. Laboratories
6. Textile & food processing
7. Battery manufacturing
Advantages
1. Extremely pure water
2. Reliable for critical processes
3. Long equipment life
Limitations
1. Chemical handling required
2. Higher operating skill
3. Not eco-friendly if effluent not treated
Modern Alternative
Many industries now prefer:
RO + EDI systems (chemical-free, eco-friendly)
If you want, I can help you with:
1. Capacity calculation
2. Cost estimation
3. DM vs RO vs EDI comparison
4. Layout or process diagram
Just tell me:
Industry type + required water quantity + inlet TDS
Our Service
We provide full technical support and after equipment installation.
We help to train operator of the system. And detailed operating manual is provided.
7*24 hours phone assistance on technical support.
We provide consumable and spare parts in the long-term for cost price.
Guarantee
a.All systems delivered to customers are carefully examined and pipe tested.
b.All systems enjoy 12 MONTHS warranty ever since B/L date.
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