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. 2021 Nov 20;14(22):7045. doi: 10.3390/ma14227045

Table 4.

Kinetic parameters for simultaneous Cu²⁺ and Zn²⁺ adsorption on the activated carbons C_init = 10 mg/L.

Metal Ions	Parameters
	PFO			PSO				IPD
	k₁	R²	q_cal	k₂	h	R²	q_cal	k_i	C	R²
A
Cu²⁺	−0.0004	0.0066	0.855	0.0196	1.17	0.9868	7.72	0.0644	6.467	0.2655
Zn²⁺	−0.0083	0.6963	0.021	−0.087	−0.34	0.9839	1.98	−0.021	2.385	0.1890
AN
Cu²⁺	0.0101	0.6405	2.313	0.0142	2.13	0.9980	12.25	0.1565	9.596	0.6996
Zn²⁺	0.0108	0.3389	0.506	0.0872	1.70	0.9966	4.42	0.0367	3.835	0.3299