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Scaled down disperser designed for batch testing

By staff reporter , 16-Apr-2007

A new mixing disperser for foods allows processors to test out their formulas before scaling up to full production levels.

Germany-based Netzsch Feinmahltechnik Micro Psi-Mix is a scaled down version of the company's full-size inline disperser. The company claims the systems reduce process time for particulate foods, even those that are barely pumpable, by up to 90 per cent.



Micro Psi-Mix is capable of handling batch sizes from 15 litres to 700 litres, at a production capacity ranging from 100kg to 400kg per hour, the company claimed.



Micro Psi-Mix requires five kilowatts of input power - less than half that required by conventional single- or multi-shaft mixers, the company claimed.



Psi-Mix was introduced to the market in 2003. The industrial mixer is designed to pre-mix and disperse particles. The system then delivers the finely pulverised solids into the largest possible surface area of liquid to achieve a homogeneous, fine, and repeatable dispersion, claims Netzsch.



The complete dispersion procedure ocurs in an enclosed process chamber, containing the dust and emissions that can foul the workplace and the final product, the company said.



The smaller version can be used for researching and developing new products. It can also be used for quality control or assurance, and to optimise process, the company suggests.



"For the latter, pilot plants and small batch versions of larger machines play a key role in ensuring that scale-up to high-production equipment is executed in a way that will produce optimal results," said Netzsch.

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