Process description: Evaporation for milk products

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1. DESCRIPTION OF TECHNIQUES, METHODS AND EQUIPMENT

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2. NEW TECHNOLOGIES:


a) Changes in the process
  • Use of multi-effect evaporators and use of vapour recompression: (BAT for Food, Drink and Milk Industries, June 2005)


a) Description of the technology:
To produce powdered milk, the use of multi-effect evaporators and optimization of vapour recompression, related to heat and power availability in the installation, results in reduced energy consumption.


b) Description of suitable energy supply systems:
In the case of multi-effect evaporators, vacuum should be applied to multiple-effect series to allow the water to boil off. To create and preserve the vacuum, vacuum pumps may be used, therefore electrical energy will be additionally consumed.
In the case of vapour recompression, electricity is used when vapour is recompressed mechanically, while live steam is used in thermal recompression.


c) Possible energy savings reachable by those measures:
No information available.


d) Economic evaluations:
No information available.


b) Changes in the energy distribution system

No information is available.


c) Changes in the heat supply system

No information is available.


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