Pasteurization of goat milk using a low cost solar concentrator

FRANCO J.; SARAVIA L.; JAVI V.; CASO R.; FERANANDEZ C.

SOLAR ENERGY

PERGAMON-ELSEVIER SCIENCE LTD

Lugar: New York; Año: 2007 vol. 11 p. 1088 - 1094

0038-092X

This paper presents the design of a system for pasteurizing goat milk as a part of a process for artisan elaboration of cheese. The system consists in a Fresnel type concentrator used for cooking large amounts of food with a vaporizer located in the focus. The steamsystem consists in a Fresnel type concentrator used for cooking large amounts of food with a vaporizer located in the focus. The steam bubbles into the isolated container where the milk is cooked by a double boiler.bubbles into the isolated container where the milk is cooked by a double boiler. When the desired temperature is reached, the steam flow is closed and the milk remains in this condition for 30 min into the closedWhen the desired temperature is reached, the steam flow is closed and the milk remains in this condition for 30 min into the closed container. Pasteurizing of 10 l of milk is done in about 1 h. The project considers guidelines for achieving a successful process.container. Pasteurizing of 10 l of milk is done in about 1 h. The project considers guidelines for achieving a successful process.