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    AI Overview
    Optical sorting for plastic pellets
    uses high-speed cameras, sensors, and AI-driven software to detect and remove contaminants—such as discolored, burnt, or mismatched particles—from pure plastic material. Utilizing technologies like RGB cameras and near-infrared (NIR) sensors, these systems ensure high purity and quality in pellet production and recycling at speeds of up to 3.0 tons per hour. 
    How Optical Pellet Sorting Works 
    • Feeding System: Pellets are fed onto a vibrating chute or conveyor belt to form a thin, single layer.
    • Imaging & Detection: High-resolution cameras (above and below) capture images of the pellets.
    • AI Analysis: Software analyzes the images for color, transparency, size, and shape defects compared to predefined standards.
    • Ejection: A pneumatic air jet system separates the defective pellets into a waste chute instantly. 
    Key Technologies & Features 
    • Color and Material Separation: GoldenSorter notes that technologies can separate by color (RGB), shape, and by different polymer types using infrared.
    • Contamination Detection: Sikora's systems can identify, and in some cases, remove impurities as small as 50
      μmmu m
      𝜇𝑚
      .
    • Combined Technology: Some advanced systems use combined X-ray and optical cameras to detect contaminants inside the pellet, not just on the surface. 
    Benefits of Optical Sorting 
    • High Purity: Protects brand reputation by ensuring nearly 100% purity, notes Satake USA.
    • Reduced Waste: Optimizes the use of recycled materials by identifying usable material, say REO Processing.
    • Increased Efficiency: High-speed processing capabilities.
    • Automation: Reduces the need for manual inspection. 
    Companies producing these systems include Satake, Bühler Group, and Sikora. 
    • Optical Sorter for Plastics "PELLET SORTER Ⅱ" PCS600BWT
      Jan 18, 2026 — Optical Sorter for Plastics "PELLET SORTER Ⅱ" PCS600BWT - YouTube. This content isn't available. "PELLET SORTER Ⅱ" is an optical s...
      YouTube
    • Applications of Optical Color Sorting Machines in Plastic Recycling
      Jul 15, 2025 — OPERATING PRINCIPLES OF OPTICAL COLOR SORTING MACHINES The machine operates based on three main components: Feeding System: Plasti...
      VICHEM
    • Inspection and sorting of plastic pellets as a guarantee for visually ...
      Apr 1, 2020 — Conclusion. Only if flawless raw materials are being processed, common subsequent defects in subsequent processes can be reduced o...
      PETnology
    Show all
    • Inspection and sorting of plastic pellets as a guarantee for visually ...
      Apr 1, 2020 — Conclusion. Only if flawless raw materials are being processed, common subsequent defects in subsequent processes can be reduced o...
      PETnology
    • Satake Pellet Sorter Inspection System
      The Satake Pellet Sorter II is an optical sorter designed to sort plastic pellets. It's designed to: * **Protect your brand** * **
      Satake-USA
    • Optical Sorter for Plastics "PELLET SORTER Ⅱ" PCS600BWT
      Jan 18, 2026 — Optical Sorter for Plastics "PELLET SORTER Ⅱ" PCS600BWT - YouTube. This content isn't available. "PELLET SORTER Ⅱ" is an optical s...
      YouTube
    • Applications of Optical Color Sorting Machines in Plastic Recycling
      Jul 15, 2025 — OPERATING PRINCIPLES OF OPTICAL COLOR SORTING MACHINES The machine operates based on three main components: Feeding System: Plasti...
      VICHEM
    • Plastic Sorting | Flakes and Pellets Sorting I Bühler Group
      Plastic sorting made easy. Improve your plastic recycling profit and yield with Bühler SORTEX. Sort different types of plastics su...
      布勒
    • Technical Bulletins | REO Processing
      Optical sorting is a process that can be used to recover contaminated plastic pellets or to upgrade pellets to a higher quality. I...
      REO Processing
    • PURITY SCANNER ADVANCED - inspection and sorting
      ... sorting of plastic pellets. ... Technical articles. Combined X-ray and optical pellets inspection for smallest impurity detect...
      Sikora
    • PURITY SCANNER - sorting of plastic granules - Sikora
      The PURITY SCANNER is a unique system for 100% online inspection and sorting of plastic pellets. The PURITY SCANNER combines X-ray...
      Sikora
    • Plastic optical sorting technologies color sorting and polymer sorting
      Infrared optical sorter for polymer sorting Infrared optical sorting is a technique that uses near-infrared (NIR) spectroscopy to ...
      goldensorter.com
    • Optical sorting technology works FAST ⚡️ Each of our six ...
      Feb 4, 2026 — Optical sorting technology works FAST ⚡️ Each of our six optical sorters at our recycling plant can sort up to 700 items per minut...
      Facebook·ReGen Monterey
      0:55
    • Plastic Pellet Sorting Machine - MSW Technology Group
      How Does a Plastic Pellet Sorting Machine Work? The machine operates by passing plastic pellets through a scanning area where high...
      www.aisortingmachine.com
    • What Is Optical Sorting & Processing Technology - Satake USA
      Optical sorters utilize reflected light to analyze products that have been singulated and presented to the viewing area. This sing...
      Satake-USA
    • News about plastics processing and recycling: technical reports
      Mar 31, 2004 — A vibrating feeder loosens up the material to form a single layer of particles and conveys it ( Mogensen Sorter ) to a chute. On t...
      Plasticker
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    Web results

    Plastic Sorting | Flakes and Pellets Sorting I Bühler Group


    Bühler Group
    https://www.buhlergroup.com › process-technologies › P...
    Bühler Group
    https://www.buhlergroup.com › process-technologies › P...
    Our optical sorting solutions maximize your processing capacities and the purity of your recycled PET flakes. Our sorters are equipped to remove unwanted colors ...Read more

    Satake Pellet Sorter Inspection System


    Satake-USA
    https://satake-usa.com › Optical Sorting Solutions
    Satake-USA
    https://satake-usa.com › Optical Sorting Solutions
    Satake USA has drawn on its extensive color sorting experience to develop the Pellet Sorter II, an optical sorter specifically designed to sort plastic pellets.Read more

    Optical Sorting


    Plastic Reclaiming Solutions
    http://www.plasticreclaiming.com › optical-sorting
    Plastic Reclaiming Solutions
    http://www.plasticreclaiming.com › optical-sorting
    Optical sorting is a sophisticated technology that uses cameras and sensors to identify and separate materials based on specific characteristics such as color ...Read more

    PURITY SCANNER ADVANCED - inspection and sorting


    Sikora
    https://sikora.net › products › purity-scanner-advanced
    Sikora
    https://sikora.net › products › purity-scanner-advanced
    SIKORA's PURITY SCANNER ADVANCED inspects 100 % of plastic pellets online and automatically sorts out contaminated individual pellets from 25 µm upwards. The ...Read more

    Sorting plastic granules: Optimising product quality


    SEPARATION AG
    https://www.separation.group › sorting
    SEPARATION AG
    https://www.separation.group › sorting
    With more than 20 years of experience in optical and mechanical sorting of plastic pellets, we are the right partner for your needs.Read more

    Optical Sorting for Color Flexibility in Recycled Plastics


    Plastics Technology
    https://www.ptonline.com › articles › optical-sorting-for-...
    Plastics Technology
    https://www.ptonline.com › articles › optical-sorting-for-...
    Aug 13, 2024 — Aaron Industries added optical sorting to its operation, expanding capabilities to meet the color needs of customers.Read more

    Optical Sorting for Plastic Waste Recycling


    Torontech
    https://www.torontech.com › optical-sorting-for-plastic-...
    Torontech
    https://www.torontech.com › optical-sorting-for-plastic-...
    Side-by-side overview of Torontech optical sorting machines for flakes, mixed plastic streams, bottles, and pellets to improve purity and reduce contamination.Read more
    4.8(367)

    AMD® LZ PRO(ES) Pastic Pellets Sorting Machine ...


    AMD Sorter
    https://www.amdcolorsorter.com › amd-lz-proes-pastic-p...
    AMD Sorter
    https://www.amdcolorsorter.com › amd-lz-proes-pastic-p...
    This optical plastic separator machine is mainly used for the separation and purification of PET/PP/HDPE/PC/alloy/PMMA/ABS/PS/PVC/nylon/POM and other materials.Read more
    Videos
    Satake EVOLUTION Sorting Mixed Color Plastic Pellets
    YouTube · Satake USA
    Nov 7, 2017
    YouTube · Satake USA
    1:34
    8 key moments8 key moments in this video
    From 00:05
    PRECISE OPTICAL SORTING TECHNOLOGY
    From 00:09
    MULTILINGUAL TOUCH SCREEN INTERFACE
    From 00:13
    PATENTED LED ILLUMINATION
    From 00:18
    450 LBS. HR. SLIDE
    From 00:39
    1ST PASS ACCEPTS (WILL GO TO 2ND PASS)
    From 01:00
    2ND PASS ACCEPTS
    From 01:04
    2ND PASS REJECTS
    From 01:21
    FINAL REJECT
    Satake USA
    YouTube·
    Nov 7, 2017

    Satake EVOLUTION Sorting Mixed Color Plastic Pellets

    YouTube·Satake USA·Nov 7, 2017
    YouTube
    In this video
    • 00:05
      PRECISE OPTICAL SORTING TECHNOLOGY
    • 00:09
      MULTILINGUAL TOUCH SCREEN INTERFACE
    • 00:13
      PATENTED LED ILLUMINATION
    • 00:18
      450 LBS. HR. SLIDE
    • 00:39
      1ST PASS ACCEPTS (WILL GO TO 2ND PASS)
    • 01:00
      2ND PASS ACCEPTS
    • 01:04
      2ND PASS REJECTS
    • 01:21
      FINAL REJECT
    Satake Pellet Sorter Demo - HDPE Plastic Removing Black ...
    YouTube · Satake USA
    Oct 18, 2018
    YouTube · Satake USA
    2:19
    Satake USA
    YouTube·
    Oct 18, 2018

    Satake Pellet Sorter Demo - HDPE Plastic Removing Black ...

    YouTube·Satake USA·Oct 18, 2018
    YouTube
    Optical Sorter for Plastics "PELLET SORTER Ⅱ" PCS600BWT
    YouTube · SatakeCorporation
    Jan 18, 2026
    YouTube · SatakeCorporation
    2:42
    SatakeCorporation
    YouTube·
    Jan 19, 2026

    Optical Sorter for Plastics "PELLET SORTER Ⅱ" PCS600BWT

    YouTube·SatakeCorporation·Jan 19, 2026
    YouTube
    View all

    Web results

    Optical Sorting in Waste Recycling: Revolutionizing ...


    Eco Recycling Today
    https://www.recyclingtoday.org › blogs › news › optica...
    Eco Recycling Today
    https://www.recyclingtoday.org › blogs › news › optica...
    Plastic Recycling: Optical sorters can identify different types of plastics based on their chemical properties and color. This enables the separation of PET, ...Read more
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