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centrisys decanter centrifuge
,solid liquid centrifuge
The Three Phase Decanter Centrifuge for Algae Oil Recovery continuously separates recovered algae oil, aqueous liquid, and concentrated biomass solids from conditioned algae slurry.
It is suitable for microalgae oil production, cell-disruption slurry treatment, fermentation residues, solvent-assisted extraction processes, and algae biomass dewatering before downstream purification.
- Microalgae oil recovery
- Cell-disrupted algae slurry separation
- Algae fermentation broth treatment
- Lipid-rich biomass processing
- Solvent-assisted oil extraction
- Algae protein and solids recovery
- Process-water clarification
- Biomass sludge concentration
- Pretreatment before oil polishing
- Biofuel feedstock preparation
Algae cells and cell fragments are small and slow-settling. High centrifugal force and stable feeding improve solids capture.
Stable Oil-Water Emulsions
Proteins, lipids, and cell debris may stabilize emulsions. Heating, enzymes, pH adjustment, or demulsifier dosing may be required.
Intracellular Oil
The centrifuge cannot release oil enclosed inside intact cells. Cell disruption or upstream extraction is required first.
Variable Feed Properties
Algae species, solids concentration, oil content, viscosity, and cultivation conditions can affect separation performance.
Solvent and Hygiene Requirements
Solvent-containing feeds may require gas-tight, explosion-proof construction. Food or nutraceutical applications require sanitary materials and cleaning systems.
Algae Oil Recovery Solution
Conditioned Algae Slurry
→ Cell Disruption
→ Feed Tank
→ Three Phase Decanter
→ Oil + Water + Biomass
Recovered Oil → Purification
Water Phase → Reuse / Treatment
Biomass → Drying / Further Processing
Peony Can Provide
- Slurry testing and selection
- Feed tank and pump
- Optional conditioning
- Adjustable phase interface
- Sanitary or solvent-resistant design
- CIP cleaning
- PLC and dual-VFD control
How the Decanter Centrifuge Works
1. Conditioned Slurry Feeding
Conditioned algae slurry enters the rotating bowl.
Agitation maintains stable solids and oil distribution.
2. Solids Sedimentation
Centrifugal force moves algae cells, cell debris, and dense particles toward the bowl wall.
A concentrated biomass layer forms.
3. Oil-Water Separation
The lighter algae oil remains closer to the bowl center.
The heavier aqueous phase forms a separate outer liquid layer.
4. Continuous Solids Conveying
The screw conveyor transports settled biomass solids toward the conical end.
The solids discharge continuously.
5. Three-Phase Discharge
Recovered oil and aqueous liquid leave through separate outlets.
Biomass solids discharge continuously for further processing.
| 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
Continuous Algae Oil Recovery
Separates oil, water, and biomass in one continuous process.
Fine Biomass Separation
Removes algae cells, disrupted cell material, and suspended solids.
Reduced Oil Loss
Adjustable phase interface and operating speeds improve oil recovery.
Biomass By-Product Recovery
Concentrated solids can be evaluated for protein, feed, fertilizer, or biofuel applications.
Flexible Process Integration
Suitable for connection with cell disruption, extraction, purification, and drying systems.
Please provide:
- Algae species and process stage
- Oil, water, and solids content
- Particle size and cell-disruption method
- Temperature and viscosity
- Required capacity and oil recovery
- Solvent and downstream process
Can the centrifuge extract oil directly from intact algae cells?
No. The cells normally require disruption, fermentation, enzymatic treatment, or solvent extraction before three-phase separation.
Can it process both microalgae and macroalgae?
Possibly. Feed particle size, fiber content, oil concentration, and pretreatment method must be evaluated.
Can it separate a stable algae oil emulsion?
Stable emulsions may require heating, enzymes, pH adjustment, or another conditioning step before centrifugation.
Is it suitable for solvent-assisted algae oil extraction?
Yes, with compatible seals, closed construction, solvent-resistant materials, and explosion-proof equipment when required.
Can the separated biomass be reused?
Possibly. Protein content, solvent residue, moisture, contamination, and downstream product requirements should be checked.
Peony welcomes cooperation with algae processors, biofuel producers, fermentation companies, nutraceutical manufacturers, research institutes, and process-engineering partners.
Send us your algae type, feed composition, capacity, oil-recovery target, and downstream process. Our engineering team will recommend a suitable three-phase decanter centrifuge solution.
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