Table 2.

CPP extraction kinetic model

Model	Equation	Parameters	Reference
Second-order model	$C_t=\frac{C_{\mathrm{s}}^{2}kt}{1+C_{\mathrm{s}}kt}$	Cs, k, and h	[20, 25, 26, 55]
Fick’s second law model	$\ln [({\rho }_{w\infty })/\left({\rho }_{w\infty },-,{\rho }_{w0}\right)]=\mathrm{kt}+\ln b$	K and Ds	[27, 28, 56]
Peleg model	$C_t=\frac{t}{K_1+K_{2}t}$	K1 and K2	[29, 45, 57]