Optical sorter for coffee, grains, nuts, and plastic flakes
Ensure precise defect detection and foreign material removal with high-capacity optical sorting, perfect for achieving superior quality control in diverse solid products like coffee beans and nut kernels.

Automates Optical Sorting and Defect Detection
The SORTEX A DualVision Optical Sorter from Bühler Group is an advanced solution designed for precise sorting and defect detection across multiple industries, including food, grain, and plastic recycling. Utilizing innovative machine learning and InGaAs technology, it effectively identifies and removes both visible and invisible defects, ensuring high-quality end products like roasted coffee beans, almond kernels, and recycled plastic pellets. This equipment operates at throughputs of up to 40 tons per hour, integrating seamlessly into existing production lines with automated calibration and product tracking features that minimize configuration efforts and reduce recovery loss. Its robust design meets ATEX compliance for safer operations and offers up to 100 programmable sorting modes, accommodating diverse product requirements with ease. Additionally, Bühler’s comprehensive global support and spare parts services further enhance the machine’s operational longevity and adaptability.
Benefits
- Enhances product quality by accurately detecting and removing defects and foreign materials.
- Increases operational efficiency with automatic calibration, reducing manual intervention.
- Boosts yield by minimizing false ejections through intelligent product tracking software.
- Supports diverse product sorting with 100 customizable modes, minimizing need for reconfiguration.
- Ensures safe operation with ATEX-compliant design, suitable for high-risk environments.
- Applications
- Grains,Pulses,Coffee,Plastic flakes,Nuts,Spices,Dried fruits
- End products
- Ground black pepper,Lentil flour,Dehydrated apple slices,Wheat flour,Recycled plastic pellets,Roasted coffee beans,Almond kernels
- Steps before
- Purification,Drying,Dehulling,Grinding
- Steps after
- Packing,Coating,Sifting,Packing,Palletizing
- Input ingredients
- coffee,grains,nuts,plastic flakes,pulses,dried fruits
- Output ingredients
- sorted coffee,sorted grains,sorted nuts,sorted plastic flakes,sorted pulses,sorted dried fruits
- Market info
- Buhler is renowned for manufacturing advanced process solutions for food, feed, and advanced materials. They are highly regarded for their innovation in milling technology and equipment quality.
- Capacity
- Up to 40 tons per hour
- Defect Detection
- Detects both light and dark defects
- Automation
- Automatic sorter calibration
- Sorting modes
- Stores up to 100 sorting modes
- Machine Learning
- Product tracking software for analyzing and classifying grains
- Infrared Technology
- InGaAs technology for detecting invisible defects
- Compliance
- ATEX-compliant
- Automation level
- Manual / PLC / SCADA
- Batch vs. continuous operation
- Continuous
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- Control panel type
- Touchscreen / HMI
- Integration possibilities
- PLC / SCADA