Sortex 9000 color sorter

by Emily Wilson
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After two years of development, Sortex, Inc., a division of Buhler AG, is expanding its color sorter range to utilize optical technology. Using a technique called bichromatic sorting, simultaneous measurement of a wide spectrum of colors can be achieved, allowing for differentiation between similar color shades. The removal of sub-standard grains, traditionally done by hand, is crucial to product quality, and the automated Sortex 9000 improves speed and accuracy. Infrared sensors were added to remove difficult-to-see contaminants such as glass, stone or metal, even if they are the same visible color as the product.

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