A Purified Water Generation System for Petrochemical Industry is a treatment setup that produces low-TDS, low-hardness, low-silica, and clean water for critical plant uses such as boiler feed, cooling systems, process reactions, hydrogen units, and utilities.
Water quality is vital in petrochemical plants because poor water causes:
- Scaling in boilers & heat exchangers
- Corrosion of pipelines and reactors
- Catalyst poisoning
- Process instability and shutdowns
Where Purified Water Is Used in Petrochemical Plants
Boiler Feed Makeup (High Pressure)
Needs very high purity water
Cooling Tower Makeup
Needs low hardness and controlled TDS
Process & Reaction Systems
Needs low salts and metals
Hydrogen Generation Units
Needs ultra-low conductivity water
Washing & Utility Services
Different uses need different purity levels, so systems are usually designed in stages.
Typical Purified Water Generation System for Petrochemical Industry
Step 1: Pretreatment (Protects RO & equipment)
Raw Water
→ Multi Media Filter (MMF)
→ Activated Carbon Filter (ACF)
→ Softener or Antiscalant Dosing
→ Cartridge Filter (5 micron)
Removes:
- Suspended solids
- Oil & organics
- Chlorine
- Hardness (partly or fully)
Step 2: Reverse Osmosis (Main Desalination)
Pretreated Water → RO (1st Pass)
RO removes:
- 95–99% of TDS
- Most metals and silica
Used directly for:
- Cooling tower makeup
- Many process utilities
Step 3: High-Purity Polishing (for boilers & hydrogen units)
RO + EDI (Modern & Chemical-Free)
RO Permeate → EDI → DM Water Tank → Boiler / Process
Required for:
- High-pressure boilers
- Hydrogen reformers
- Sensitive catalytic processes
Different Technology & Water Quality Standard
|
Output water quality (conductivity/resistivity) |
Processing Technology |
Material |
|
≤ 10μS/cm |
Pretreatment + Single Pass RO |
FRP/SUS + PVC/SUS |
|
≤ 5μS/cm |
Pretreatment + Double Pass RO |
FRP/SUS + PVC/SUS |
|
≥ 15MΩ·cm |
Pretreatment + Double Pass RO + EDI |
FRP/SUS + PVC/SUS |
|
≥ 18.2MΩ·cm |
Pretreatment + Double Pass RO + EDI + Polishing mixed bed |
FRP/SUS + PVC/SUS |
If you want a more specific system concept, tell me:
- Raw water source (river / borewell / mixed)
- Raw water TDS, hardness, silica (if available)
- Required total treated flow (m³/hr)
- Main uses: boiler %, cooling %, process %
- Required water TDS
I can then suggest a practical purified water generation scheme for your petrochemical plant.
Our Advantages
a.We provide full technical support and after equipment installation.
b.Engineered and custom designed solutions for unique solutions
c.We help to train operator of the system. And detailed operating manual is provided.
d.7*24 hours phone assistance on technical support.
e.We provide consumable and spare parts in the long-term for cost price.
Successful Cases
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