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Crumbling the pellets

The cooled pellets are now hardened and ready for crumbling. This process is depicted schematically on the image below.


The grain’s size is reduced by two ribbed cylindrical rolls which rotate towards one another. The resulting crumbs are then sieved in different fractions.

The fractions Joosen-Luyckx Aqua Bio offers are::

< 300 µm

300 - 500 µm

500 - 800 µm

800 - 1200 µm

1200 - 1500 µm