[Retracted] Kinetics of Sludge Superheated Steam Drying and Optimization of Process Parameters

Table 4

Mathematical thin-layer drying models.

No.	Model name	Model equation
1	Lewis	MR = exp(−kt)
2	Page	MR = exp(−kt^n)
3	Henderson and Pabis	MR = aexp(−kt)
4	Overhults	MR = exp[− (kt)^n]
5	Logarithmic	MR = aexp(−kt) + b
6	Two-term mode	MR = aexp(−kt) + (1 − a)exp(−kat)