Optical sorter for grains, coffee, nuts, and plastics
Ensure consistent product quality and minimize waste with advanced optical sorting technology, designed to enhance precision in identifying color defects and foreign materials across a range of solid and granular products.

Detects and Removes Defects in Diverse Materials
The SORTEX A Optical Sorter from Bühler Group is an advanced machine learning-enabled sorter designed to enhance the purity and quality of end products like wheat flour, coffee beans, and plastic flakes. Utilizing high-resolution cameras, it detects and removes color defects and foreign materials, ensuring consistent product quality. This optical sorter is ATEX-compliant, making it suitable for grains, nuts, coffee, and plastics industries. Capable of processing up to 40 tons per hour, it optimizes yield by minimizing false ejections of good materials. The SORTEX A supports seamless integration into existing processing lines with its automatic calibration and classification abilities, reducing downtime and maintenance costs with its robust, IP5X-sealed components. Additionally, the equipment’s modular design allows for easy servicing and adaptation to various industry requirements, supported by Bühler’s extensive global network and customization options.
Benefits
- Ensures consistent product quality by removing defects and foreign materials.
- Saves time and labor with automatic calibration and minimal monitoring needs.
- Increases yield by reducing false rejection of good products.
- Minimizes downtime with robust, dust-protected components.
- Global support network provides fast servicing and customization assistance.
- Applications
- Nuts,Grains,Coffee,Plastics
- End products
- Corn kernels,Wheat flour,Hdpe pellets,Walnuts,Barley grains,Pet flakes,Robusta coffee beans,Cashews,Arabica coffee beans,Almonds
- Steps before
- Grain handling,Dehulling,Milling,grinding,flaking,Drying,Cutting,separating
- Steps after
- Packing,Palletizing,Pelleting,Sifting,grading
- Input ingredients
- grains,coffee,nuts,plastic
- Output ingredients
- sorted grains,sorted coffee,sorted nuts,sorted plastic
- 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
- Automation
- Machine learning with automatic calibration
- Accuracy
- Detects light or dark color defects and foreign materials
- Compliance
- ATEX-compliant
- Number of Chutes
- Up to 5 chutes
- Protection Rating
- IP5X for dust protection
- Sorting capacity
- Up to 40 tons per hour
- Defect detection
- Light and dark color defects,foreign materials
- Calibration
- Automatic sorter calibration
- Product tracking
- Machine learning-enabled
- Chutes availability
- Up to 5 chutes
- Automation level
- Machine learning
- Sort type
- Inline
- Environment protection
- IP5X sealed components
- Maintenance strategy
- Minimized sorter downtime
- Compliance
- ATEX-compliant
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- ATEX certification
- Yes
- Number of chutes
- Up to 5 chutes
- Sorting throughput
- Up to 40 tons per hour
- Build quality
- Robust,sealed to IP5X
- Component modularity
- Broadband LED and ejectors modularly arranged
- Number of Chutes
- Up to 5 chutes
- Sorting Throughput
- Up to 40 tons per hour
- Camera Filters
- Configurable
- Machine Configuration
- Advised by Bühler sales engineers