
••Design, integration schemes, and economic analysis of Solar Dryer were discussed.••The most importa. . A The last period with a negative cumulative cash flow, USDAannual,n . . The world population will exceed 9 billion by 2050, which would imply an increase in food production of about 70% [1], with the consequent increase in the energy demand [2]. Energy is a fu. . There are different methods to reduce the initial moisture content in products, such as thermal, mechanical, and osmotic methods. The last two drying methods (without phase change) are not t. . 3.1. Classification of drying technologiesA general classification of drying technologies is shown in Fig. 3. The literature on industrial dryers is too extensive for a d.