Decanter Centrifuge for Beer Sludge Separation
Description
The Decanter Centrifuge for Beer Sludge Separation is designed for continuous solid-liquid separation in breweries and beverage processing plants.
It is suitable for beer yeast sludge, fermentation residue, brewery wastewater sludge, and organic solids recovery applications.
The centrifuge separates yeast particles and suspended solids from liquid through centrifugal force, producing concentrated yeast cake and clarified liquid. It helps breweries improve yeast recovery, reduce wastewater load, and optimize the efficiency of downstream treatment processes.
Typical Applications
- Beer yeast recovery
- Fermentation sludge separation
- Brewery wastewater sludge dewatering
- Spent yeast concentration
- Brewing process residue treatment
- Organic solid recovery
- Wastewater treatment plant sludge separation
- Liquid clarification before discharge or reuse
Beer Sludge Separation Challenges
Fine Yeast Particles
Beer yeast cells are very small and difficult to separate completely by gravity settling, affecting recovery efficiency.
High Moisture Sludge
Beer sludge contains a large amount of water, increasing storage, transportation, and disposal costs.
Low Density Solids
Yeast and fermentation residues have similar density to liquid, making traditional separation methods less effective.
Product Quality Requirements
Recovered yeast must maintain suitable quality for reuse or further processing.
Variable Sludge Characteristics
Different beer types, fermentation processes, and production conditions create changing sludge properties.
Hygiene Requirements
Breweries require cleanable equipment and food-grade contact materials to prevent contamination risks.
Beer Sludge Separation Solution
Beer Sludge / Fermentation Residue
→ Collection Tank
→ Optional Conditioning
→ Decanter Centrifuge
→ Concentrated Yeast Cake + Clarified Liquid
Recovered Yeast → Reuse / Further Processing
Clarified Liquid → Brewery Wastewater Treatment / Recycling
Peony Can Provide
- Beer sludge testing and centrifuge selection
- Food-grade SS304 / SS316L contact materials
- Yeast recovery and sludge dewatering configuration
- Adjustable bowl speed and differential speed
- PLC automatic control system
- Wear-resistant scroll protection
- Compact brewery wastewater treatment integration
- Installation guidance and after-sales service
How the Decanter Centrifuge Works
1. Beer Sludge Feeding
Collected beer sludge enters the rotating bowl continuously.
2. Solid Sedimentation
High centrifugal force separates yeast particles and suspended solids from the liquid phase.
3. Liquid Clarification
Separated liquid moves toward the center and exits through the liquid discharge outlet.
4. Solid Conveying
The internal scroll transports concentrated yeast solids toward the discharge end.
5. Continuous Discharge
Separated yeast cake is discharged continuously for collection or further processing.
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
Efficient Yeast Recovery
Improves recovery of valuable yeast solids from brewing processes.
Continuous Operation
Suitable for breweries requiring stable and automatic sludge processing.
Reduced Wastewater Load
Removes suspended solids before wastewater treatment.
Food-Grade Design
Stainless steel contact parts support hygienic brewery applications.
Adjustable Separation Performance
Operating parameters can be adjusted according to yeast concentration and process requirements.
What Data Is Needed for Selection?
Please provide:
- Beer sludge source
- Yeast concentration
- Feed solids content
- Processing capacity
- Particle size
- Required yeast recovery rate
- Target cake moisture
- Liquid clarification requirement
- Contact material requirement
- Downstream utilization method
FAQ
Can the decanter centrifuge recover beer yeast?
Yes. It can concentrate yeast sludge and recover solid yeast particles for reuse or further processing.
Is it suitable for brewery wastewater treatment?
Yes. It can separate suspended solids and organic sludge from brewery wastewater streams.
Does it affect yeast quality?
Proper selection of operating speed, differential speed, and process conditions helps protect recovered yeast quality.
Is cleaning required frequently?
Food-grade stainless steel construction and automatic operation help simplify cleaning and maintenance.
Can it operate continuously?
Yes. The decanter centrifuge is designed for continuous feeding, separation, and discharge.
Contact Peony for Partnership
Peony welcomes distributor and agent cooperation with breweries, beverage processing companies, fermentation plants, wastewater treatment contractors, and industrial separation partners.
We support partners with beer sludge testing, centrifuge selection, yeast recovery evaluation, hygienic configuration, installation guidance, commissioning, spare parts, and after-sales service.
Send us your beer sludge information, including solids concentration, yeast content, processing capacity, moisture requirement, liquid characteristics, and downstream handling process. Our engineering team will recommend a suitable beer sludge separation centrifuge solution.
