Pre-heating in dairies

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• Applications

Pre-heating is typically used before further processing (e.g separation, culture adding, pasteurization, sterilization, evaporation) of intermediate milk products.

• Milk and cream production
• Condensed milk production
• cheese production
• yogurt production
• ice-cream production

• Case studies

Example flowsheet

Image:pre-heating in dairies.jpg

Literature: Guide to Energy Efficiency Opportunities in the Dairy Processing Industry, National Dairy Council of Canada, June, 1997

Typical parameters of the process

Milk products	Temperature [°C]	Pressure (bar)	Heat ransfer medium	Residence Time	Details	Literature
Ice cream	30-40					BAT in Food, Drink and Milk Industries, June 2005 and Dairy science and technology, University of Guelph, http://www.foodsci.uoguelph.ca/dairyvedu/home.ht

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