3. Case studies

3.1 Industrial corn drying

France's second-largest plant production, grain corn averaged 16 Mt nationwide, although 44% of production was concentrated in the southwest (Aquitaine, Poitou-Charentes and Pays de Loire).

For storage, grain must be dried to a moisture content of 14-15% (wet basis) to avoid :

reduced germination capacity;
the proliferation of moulds, some of which generate toxic substances;
respiration phenomena (a grain at 30% humidity has a respiration intensity 400 times greater than at 15%), the consequences being a loss of dry matter and an increase in temperature (risk of deterioration, or even fire).

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Ongoing reading
Case studies

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page Product quality, safety, environment

Conclusion

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.