Table 3.

Isotherms coefficients for the adsorption of HA onto MNPs and SMNPs at different adsorbent dosages (condition: pH = 3.0; agitation speed = 200 rpm; W = 0.25–0.75 g/L, C₀ = 1–50 mg/L, t = 90 min and T = 20 ± 2 °C)

Adsorbent dose (g/L)	Langmuir				Freundlich			Temkin
	Eq: Ce/qe = Ce/q0 + 1/KLq0 plot: (Ce/qe) vs. Ce				Eq: lnqe = lnKF + n−1 lnCe plot: ln qe vs. ln Ce			Eq: qe = B1 ln KT + B1 ln Ce plot: qe vs. ln Ce
	qm (mg/g)	KL (L/mg)	r2	RL	KF (mg/g(L/mg)1/n	n	r2	kT	qm	r2
MNPs
0.25	96.15	0.024	0.9578	0.45–0.97	2.53	1.2	0.9952	0.85	11.36	0.8794
0.5	95.23	0.02	0.9738	0.5–0.98	2	1.13	0.9972	0.98	8.94	0.8633
0.75	62.9	0.04	0.9818	0.5–0.98	2.45	1.2	0.995	1.44	7.4	0.875
SMNPs
0.25	196.07	0.041	0.9571	0.32–0.96	8.05	1.22	0.9982	1.55	22.8	0.8583
0.5	101.1	0.078	0.8523	0.2–0.93	7.36	1.33	0.996	2.84	12.6	0.8301
0.75	67.6	0.283	0.8971	0.06–0.78	12.7	1.66	0.9977	8.04	14.4	0.768