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

Table 7

Fitting results of drying stage of sludge superheated steam drying under different steam flow.

Model name	Steam flow (m^3/h)
	22 m^3/h			29 m^3/h			36 m^3/h			40 m^3/h
	R^2	χ^2 ×10^−4	RMSE	R^2	χ^2 ×10^−4	RMSE	R^2	χ^2 ×10^−4	RMSE	R^2	χ^2 ×10^−4	RMSE
Page	0.99819	1.3531	0.01163	0.99781	1.64966	0.01284	0.99797	1.56497	0.01251	0.99756	1.93658	0.01392
Henderson and Pabis	0.98106	14.2	0.03764	0.98407	12	0.03466	0.98429	12.1	0.03476	0.9853	11.7	0.03417
Overhults	0.99819	1.35305	0.01163	0.99781	1.64828	0.01284	0.99797	1.56362	0.0125	0.99758	1.92397	0.01387
Logarithmic	0.99965	0.26517	0.00515	0.99948	0.39233	0.00626	0.9995	0.38969	0.00624	0.99885	0.91801	0.00958
Lewis	0.88782	83.6	0.09142	0.87456	94.1	0.097	0.89373	81.3	0.09015	0.88438	91.3	0.09555
Two-term model	0.99528	3.53078	0.01879	0.99674	2.45565	0.01567	0.99703	2.28626	0.01512	0.99813	1.1488	0.0122