LLA Instruments GmbH

Model KUSTAx.xMSI - NIR Hyperspectral Imaging Cameras for Recycling


High-speed identification and analytical imaging in sorting processes. The hyperspectral cameras KUSTA1.7MSI, KUSTA1.9MSI and KUSTA2.2MSI (KUSTAx.xMSI) are designed for the identification and the subsequent sorting of materials from waste collections (recycling).

KUSTA1.7MSI and KUSTA2.2MSI are particularly suitable for the identification of fine grained materials (flakes, agglomerates, granulates) of a few mm in diameter on fast moving conveyor belts. Whether the hyperspectral camera KUSTA1.7MSI or KUSTA2.2MSI is proposed depends on the NIR absorption characteristics of the material to be analysed.

Due to the reduced number of measurement tracks of KUSTA1.9MSI compared to KUSTA1.7MSI and KUSTA2.2MSI, the identification of small parts is limited to conveyor belt widths of 1400 mm.

The high sensitivity of the hyperspectral camera KUSTA1.9MSI permits applications like:

  • PVC elimination of PET-flakes
  • Identification of thin foils in mixed plastics
  • Detection of additives in plastics
  • Paper analysis

Additional equipment is described below.
Suitable software for LLA NIR technology is described here.

Schematic illustration of a sorting plant

The sorting material is moving on a conveyor belt with a speed of up to 2.5 m/s towards the hyperspectral camera KUSTAx.xMSI. The material is analysed passing below illumination unit and hyperspectral camera. The analysis result is forwarded to process control which controls the nozzles located at the end of the conveyor belt. Depending on the identification result, the material is passed through or ejected by the nozzles.

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