No               Model Names                         Model Equation
a.            Newton                                           MR=exp(-kt)                (6)
b.           Page                                                  MR=exp(-ktn)               (7)
c.           Two-term exponential            MR=a exp(-kt) + (1 - a) exp(-kt) (8)    
a, n, empirical constants; k, drying constant; t, drying time; MR, moisture ratio.
Table 1: Typical models for thin layer drying [35].