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Industrial Decanter Centrifuge for Petrochemical Sludge

Categories Industrial Decanter Centrifuge
Operation: Automatic Continuous
Control System: PLC Automatic Control
Separation Type: Solid-Liquid Separation
Application: Refinery & Petrochemical Sludge Dewatering
Place of Origin: China
Brand Name: Peony
Certification: ISO9001& ISO14001
Model Number: PDC
MOQ: 1 set
Price: USD30000~150000/SET FOB Shanghai
Packaging Details: Standard export package, polywood, fumigated wood, filmed
Delivery Time: Standard wooden case
Payment Terms: TT,.LC,Western Union
Supply Ability: 60 sets per month
Material: SS316L
Differential Speed: Adjustable
Wear Protection: Tungsten Carbide Optional
Sludge Type: Oily Sludge / Industrial Sludge
Structure: Horizontal
Product Name: Decanter Centrifuge for Petrochemical Sludge
Capacity: Customized
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Industrial Decanter Centrifuge for Petrochemical Sludge

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

Complex Sludge Composition

Petrochemical sludge contains oil, water, solids, and chemical residues with variable characteristics.

High Oil and Moisture Content

High viscosity and water retention increase sludge dewatering difficulty and disposal costs.

Fine Solid Particles

Fine particles require strong centrifugal force for effective separation and recovery.

Continuous Industrial Operation

Refineries require reliable equipment for continuous feeding, separation, and solids discharge.


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
ModelDiameter (mm)Length (mm)Length-to-diameter rateG forceMax solid discharge (m³/h)Weight (kg)Dimension (L*W*H) (mm)
PDC-102501000440800.410002410*800*1080
PDC-1242001350435000.612002610*800*1080
PDC-12420013504.531801.218003495*840*1180
PDC-18400016004.531801.232003497*1020*1385
PDC-18450215042500238004447*1080*1385
PDC-2040022504.525003.540004580*1140*1470
PDC-2153022804.32500550004924*1170*1540
PDC-2665528004.32270870004300*1900*1350

Main Advantages

Efficient Separation of Complex Sludge

Optimized bowl and scroll design provides stable separation for oil-containing and high-solid petrochemical sludge.

Reduced Sludge Disposal Volume

Effective dewatering reduces sludge moisture and lowers transportation and disposal costs.

Continuous Automatic Operation

The decanter centrifuge enables continuous feeding, separation, and solids discharge.

Adjustable Process Parameters

Differential speed, bowl speed, and operating conditions can be adjusted for different sludge characteristics.

Closed and Cleaner Processing

Sealed operation helps reduce odor, hydrocarbon exposure, and material leakage.

Wear Protection for Industrial Conditions

Wear-resistant components improve service life when processing abrasive petrochemical sludge.


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.

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