Oat - Processing - Sizing of Groats

Sizing of Groats

Many whole oat groats break during the de-hulling process, leaving the following types of groats to be sized and separated for further processing: whole oat groats, coarse steel cut groats, steel cut groats, and fine steel cut groats. Groats are sized and separated using screens, shakers and indent screens. After the whole oat groats are separated, the remaining broken groats get sized again into the 3 groups (coarse, regular, fine), and then stored. "Steel cut" refers to all sized or cut groats. When there are not enough broken groats to size for further processing, whole oat groats are sent to a cutting unit with steel blades that evenly cut groats into the three sizes mentioned above.

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