The food industry accounts for approximately 30% of global energy consumption. In addition, food-processing activities contribute almost 26% of total greenhouse gas emissions. Dehydration is an energy-intensive uni. ••Design, integration schemes, and economic analysis of Solar Dryer. A The last period with a negative cumulative cash flow, USDAannual,n Yearly money sa. The world population will exceed 9 billion by 2050, which would imply an increase in food production of about 70%, with the consequent increase in the energy demand. 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.