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07/04/2009
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The German company Ekato has developed a new method of mixing that allows hot oils and a cooler aqueous phase to be formed into an emulsion without the need to heat up both.
This halves both the energy required to heat the ingredients and also the time taken to cool down to the temperature required for packaging. A 5,000litre vessel heated to 80ºC can take more than eight hours to cool to 20 to 30ºC.
UK managing director John Smith said: "A particularly powerful feature is the way in which the final product is discharged. An external bypass valve can be opened as the mixing unit is running. The pressure in the system ejects even highly viscous products. No additional pumps are required and cleaning times are dramatically cut."
The machine has been developed for the cosmetics industry to produce skin care products, cleansing gels and beaded cosmetics. It is worth noting that many processed foods such as soups and sauces, as well as paints, cutting fluids and a host of other industrial products depend on achieving a homogenous mixing of oily and aqueous phases.
Ekato mixers are currently available in sizes from 50 to 10,000 litres, with laboratory scale systems starting at 3litres.
More information from John Smith: jcs@ekato.com
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Author
Tom Shelley
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