Application of the Zimm-Bragg Model to the Removal of Azo Dyes with Pectin

Table 3

Zimm-Bragg model parameters obtained by the nonlinear regression process to experimental data from each Pec-dye-Ca system.

	Pec-DR80-Ca	Pec-CR-Ca	Pec-MO-Ca	Pec-MR-Ca
(mol/kg)	258,892.994	1,098,053.203	4,071.733	921.887
	3.409	13.783	169.201	2.513
Std. deviation of	7,481.307	39,343.120	12.799	38.015
Std. deviation of	0.423	4.299	15.136	0.389
	0.989	0.944	0.995	0.985
Average relative error	0.317	0.628	0.388	0.353
Std. deviation of the model	0.030	0.069	0.021	0.038