Industrial Decanter Centrifuge for Petrochemical Sludge
Description
The Industrial Decanter Centrifuge for Zirconium Processing is designed for solid-liquid separation in zirconium production and mineral processing applications, including zircon sand treatment, zirconium chemical slurry separation, and process residue dewatering.
It provides continuous separation of fine zirconium-containing solids, mineral particles, and process slurry, helping improve material recovery, reduce liquid content in solids, and maintain stable downstream processing.
Typical Applications
- Refinery wastewater sludge dewatering
- Petrochemical process sludge treatment
- Oil tank bottom sludge separation
- Chemical plant wastewater sludge
- Hydrocarbon-containing sludge processing
- API separator sludge treatment
- Sludge volume reduction before disposal
- Waste recovery and resource recovery systems
Petrochemical Sludge Treatment Challenges
Petrochemical Sludge Dewatering Solution
Petrochemical Sludge
↓
Conditioning System
↓
Decanter Centrifuge
↓
Dewatered Sludge Cake + Clarified Liquid
Dewatered Sludge Cake
→ Incineration / Disposal / Further Treatment
Clarified Liquid
→ Oil Recovery / Wastewater Treatment System
Peony Can Provide
- Petrochemical sludge separation evaluation
- Decanter centrifuge sizing and selection
- Oil-containing sludge dewatering solutions
- Adjustable differential speed configuration
- High-torque scroll conveying system
- Wear-resistant scroll protection
- Corrosion-resistant material selection
- Closed sludge processing design
- Automatic PLC control system
- Integration with refinery wastewater treatment systems
How the Decanter Centrifuge Works
1. Petrochemical Sludge Feeding
Petrochemical sludge containing oil, water, and suspended solids enters the rotating bowl through a controlled feeding system.
2. Solid Sedimentation
Under centrifugal force, dense solid particles move toward the bowl wall and form a concentrated solids layer.
3. Liquid Clarification
Separated liquid remains in the inner liquid zone and moves toward the clarified liquid area.
4. Solids Conveying
The scroll continuously transports concentrated sludge solids toward the conical discharge end.
5. Continuous Separation
Dewatered sludge solids and separated liquid are continuously discharged for further treatment or recovery.
Technical Parameter
| Model |
Diameter (mm) |
Length (mm) |
Length-to-diameter rate |
G force |
Max solid discharge (m³/h) |
Weight (kg) |
Dimension (L*W*H) (mm) |
| PDC-10 |
250 |
1000 |
4 |
4080 |
0.4 |
1000 |
2410*800*1080 |
| PDC-12 |
4200 |
1350 |
4 |
3500 |
0.6 |
1200 |
2610*800*1080 |
| PDC-12 |
4200 |
1350 |
4.5 |
3180 |
1.2 |
1800 |
3495*840*1180 |
| PDC-18 |
4000 |
1600 |
4.5 |
3180 |
1.2 |
3200 |
3497*1020*1385 |
| PDC-18 |
450 |
2150 |
4 |
2500 |
2 |
3800 |
4447*1080*1385 |
| PDC-20 |
400 |
2250 |
4.5 |
2500 |
3.5 |
4000 |
4580*1140*1470 |
| PDC-21 |
530 |
2280 |
4.3 |
2500 |
5 |
5000 |
4924*1170*1540 |
| PDC-26 |
655 |
2800 |
4.3 |
2270 |
8 |
7000 |
4300*1900*1350 |
Main Advantages
What Data Is Needed for Selection?
Please provide:
- Sludge flow rate
- Total solids concentration (%DS)
- Oil content
- Particle size distribution
- Sludge viscosity
- Temperature
- Chemical composition
- Required cake moisture
- Liquid recovery requirements
- Operating hours per day
- Installation environment
FAQ
Why use a decanter centrifuge for petrochemical sludge treatment?
A decanter centrifuge provides continuous dewatering and solid-liquid separation, helping reduce sludge volume and improve downstream treatment efficiency.
Can the centrifuge handle oil-containing sludge?
Yes. The decanter centrifuge is suitable for many oil-containing sludge applications, including refinery sludge and petrochemical wastewater sludge.
Is a closed design required for petrochemical applications?
A closed system is recommended because it helps reduce odor, hydrocarbon exposure, and environmental contamination during operation.
Can the differential speed be adjusted for different sludge conditions?
Yes. Adjustable differential speed allows operators to optimize solids dryness, liquid clarity, and processing capacity.
What materials are available for petrochemical sludge applications?
Material selection depends on chemical composition and corrosion conditions. Stainless steel and customized corrosion-resistant materials are available.
Contact Peony for Partnership
Peony provides decanter centrifuge solutions for petrochemical sludge treatment, supporting refineries, chemical plants, EPC contractors, and wastewater treatment projects.
We provide sludge analysis, equipment selection, process optimization, manufacturing, and commissioning services to help customers achieve reliable and efficient sludge separation.
