. 2018 Mar 23;23(4):743. doi: 10.3390/molecules23040743

Table 2.

Isotherm model parameters for the adsorption of CV and MB on Cel or PhCel.

Adsorbent	pH	Dye	Temperature (K)	Langmuir				Freundlich			Temkin
Adsorbent	pH	Dye	Temperature (K)	q_max (mg g⁻¹)	K_L (L mg⁻¹)	R_L	R²	n_f	K_f (L g⁻¹)	R²	A_T (L mg⁻¹)	b_T (J mol⁻¹)	R²
Cel	7.0	CV	298	27.1985	0.1403	0.1336	0.9844	3.5521	7.8022	0.9648	1.9197	110.1706	0.9843
			308	26.6632	0.1354	0.1696	0.9700	3.7394	8.0199	0.9541	2.6169	151.0012	0.9690
			318	27.0856	0.1166	0.1538	0.9784	3.4158	7.2187	0.9637	1.7727	166.9936	0.9783
Cel	8.0	MB	298	12.0854	0.0671	0.2193	0.9909	2.7744	2.1758	0.9615	0.6367	216.2711	0.9863
			308	14.3716	0.0549	0.2446	0.9886	2.4717	2.0835	0.9558	0.5589	228.1585	0.9811
			318	14.1790	0.0731	0.2240	0.9910	2.7743	2.6760	0.9604	0.7447	278.4868	0.9857
PhCel	6.0	CV	298	37.5097	0.2686	0.1067	0.9682	4.0826	13.6859	0.9666	7.6652	96.5475	0.9790
			308	37.1611	0.2677	0.0881	0.9637	4.0281	13.4287	0.9820	9.8824	126.9822	0.9840
			318	43.2401	0.0696	0.2596	0.9805	2.4657	6.8735	0.9849	1.1053	103.9071	0.9699
PhCel	8.0	MB	298	52.2047	0.1590	0.1885	0.9256	3.5962	16.0065	0.8550	1.7601	53.5470	0.8930
			308	56.9999	0.0847	0.2935	0.9448	2.4163	9.4411	0.8712	0.6308	51.7234	0.9418
			318	55.0383	0.1428	0.3313	0.9567	2.8477	12.7742	0.8709	1.2046	69.4659	0.9360