Extruders: cook, form, mix, texturise and shape
A bewildering variety of extrusion devices
are used in today's technology. The devices are constructed in many different
ways and are given many different names. A feed extruder is a device that
expedites the shaping and restructuring process for feed ingredients. Extrusion
is a highly versatile unit operation that can be applied to a variety of feed
processes. Extruders can be used to cook, form, mix, texturise and shape feed
products under conditions that favour quality retention, high productivity and
low cost. Mian Riaz gives an overview.
This article can also be found at Feed Tech, volume 10, no. 8
Keywords: Extruders, expanders,
extruding, expanding, animal feed, cooking, forming, mixing, texturising
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