Starch processing decanter centrifuge
Optimize starch and protein recovery with a versatile decanter centrifuge, ensuring higher yield and consistency in separation processes while reducing operational noise and energy consumption.

Dewaters and Separates Starch, Protein, and Juices
The STNX decanter centrifuge from Alfa Laval is engineered for the rigorous demands of starch and juice processing. Utilizing a horizontal cylindrical bowl and screw conveyor design, it efficiently handles continuous dewatering and separation tasks. This equipment excels in applications ranging from potato protein concentrate and maize gluten meal production to apple and orange juice clarification. With its direct drive gearbox and IoT capabilities, the STNX optimizes energy use and operational reliability, adjusting for feed variations to maintain product quality. Suitable for high-capacity operations, it integrates seamlessly into existing production lines, offering customizable configurations to meet specific processing needs. Constructed with durable materials and featuring replaceable wear lines, it ensures longevity and ease of maintenance, making it an excellent choice for food, beverage, and starch industries.
Benefits
- Enhances product quality by maintaining optimal balance between liquid clarity and solids dryness.
- Reduces energy consumption through efficient back drive system and variable speed control.
- Minimizes maintenance downtime with replaceable wear lines and open feed zone design.
- Integrates smoothly into production processes with customizable configurations and IoT connectivity.
- Supports high-capacity processing with continuous operation for increased productivity.
- Applications
- Tapioca starch industry,Protein processing,Food processing,Starch processing,Potato starch industry,Fruit juice processing
- End products
- Maize gluten meal,Wheat starch,Apple juice,Orange juice,Potato starch,Wheat gluten,Tapioca starch,Potato protein concentrate
- Steps before
- Heat-coagulation,Drying,Grinding,Milling
- Steps after
- Packing,Filtration,Sterilization,Mixing
- Input ingredients
- heat-coagulated potato protein,maize gluten,wheat starch,fruit juice,tapioca starch,protein,fiber
- Output ingredients
- dewatered potato protein,dewatered maize gluten,2-phase wheat starch,3-phase wheat starch,separated protein,separated fruit juice,dewatered fiber
- Market info
- Alfa Laval is renowned for its expertise in heat transfer, separation, and fluid handling technologies, providing innovative, energy-efficient engineered-to-order solutions for various industries including food, marine, and energy.
- Separation type
- 2-phase / 3-phase separation
- Conveyor design
- Replaceable wear lines / Full-flow open feed zone
- Drive system
- Direct drive gearbox
- Noise level
- Low noise levels
- Automation
- Automatic differential speed control
- Working mechanism
- Horizontal cylindrical bowl with screw conveyor
- Integrated steps
- 2-phase and 3-phase separation
- Automation level
- Automatically controlling differential speed
- Noise level
- Low noise levels
- Energy efficiency
- Big savings in energy
- Flow distribution
- Full-flow open feed zone
- Maintenance ease
- Easy access and control
- Abrasion resistance
- High
- Corrosive resistance (e.g. acids)
- Stainless steel construction
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- Biological compatibility
- Food-grade materials
- Cleanability
- CIP compatible
- Separation type
- 2-phase / 3-phase
- Cone shape
- Conical end
- Feed/discharge method
- Stationary inlet tube,solids discharge openings
- Discharge method
- Solids discharge openings into the casing
- Conveyor design
- Replaceable wear lines,full-flow open feed zone
- Back drive design
- Direct drive gearbox,unique differential speed control