The results showed that the bentonite-CaCl2 (type 1) desiccant gave a maximum moisture sorption of 45% dry weight basis (DWB) while bentonite-CaCl2 (type2) and kaolinite-CaCl2 (type3) solid desiccants each gave moisture sorption values of 30% (DWB). It was concluded from the moisture sorption and regeneration characteristics that their application in solar crop drying and air dehumidification is highly useful due to their low regeneration temperatures (sub 100 °C). An indirect forced convection solar dryer with integrated desiccants was built and tested by Shanmugam and Natarajan, with four main parts namely a flat-plate solar air collector, a drying chamber, desiccant bed and a centrifugal blower.