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23.07.2018 Laboratory extruder for food applications

Coperion, Stuttgart, Germany, recently supplied a ZSK 27 Mv PLUS twin screw extruder to the Institute for Food and Beverage Innovation at Zurich University of Applied Sciences (ZHAW) in Wädenswil, Switzerland. With a screw diameter of 27mm, the unit satisfies key food production regulations and has impressively compact dimensions. It is well suited for research projects and formulation development, as well as small batch production. With its specific torque of 10.6Nm /cm3 and a maximum screw speed of 1800rpm, the extruder can achieve throughput rates of 10 to 100kg/h depending on the product. It is easy to scale the extruder up to other sizes. The food extruder supplied comes with a number of options that allow highly flexible use and convenient handling. The scope of supply also includes a KT 20 gravimetric twin screw feeder from Coperion K-Tron, which is capable of accurately feeding free flowing powders and flakes as well as other difficult, poor flowing bulk materials.

ZHAW uses its extruder for a wide range of research and development work, so it must be versatile and perform effectively in a variety of applications. Coperion designed the unit for exactly these requirements and equipped it with many quick-change features and devices for flexible processing set-up. For example, the solid feeder can be mounted to two different barrels of the process section. This allows processes to be extended or shortened easily and customised to the requirements of each individual product.


The Coperion extruder at Zurich University of Applied Sciences

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