1. Dryers

1.1 Numerous models

There are many different types of dryer, almost as diverse as the products to be dried. The flow rates of the products to be dried and their residence times in the dryer are also extremely varied, ranging from a few kilograms to several tons per hour, with the product being dried in a fraction of a second, or several tens of days.

Dryers used in the food industry can be classified according to various criteria:

the drying principle (entrainment/boiling) ;
method of heat supply ;
product residence time ;
product handling mode (solid, liquid, pasty), etc.

The...

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Dryers

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Product quality, safety, environment

Bibliography

(1) - KEEY (R.B.) - Drying. Principles and practice. - Oxford, Pergamon (1972).
(2) - VASSEUR (J.), BIMBENET (J.J.), DUPRAT (J.C.), TOURON (B.) - Séchage sur cylindres dans les IAA : nouvelles techniques, nouvelles perspectives. - Industries...

Reviews

• Drying Technology (Marcel Dekker, Inc., 270 Madison avenue, New York, NY 10016).

• Cahiers de l'AFSIA.

• Journal of food engineering (Elsevier Science B.V., Amsterdam).

Organizations

(non-exhaustive list)

• AFSIA (Association française de séchage dans l'industrie et l'agriculture), ESCPE, 43 Bd du 11 novembre 1918, LAGEP bât. 308G, BP 2077, 69616 villeurbanne cedex.

• CETIAT (Centre technique des industries aérauliques et thermiques), domaine scientifique de la Doua, 15 avenue des Arts, PB 2042, 69603 villeurbanne cedex.