Sustainable Environment Research

Table 1 Adsorption isotherm parameters at various temperatures

From: Treatment of C.I. Reactive Blue-21 effluent by microcrystalline cellulose grafted with APTES: kinetics, isotherm and thermodynamic study

Isotherm	Parameters	Temperatures (K)
Isotherm	Parameters	303	313	323
Langmuir	q_max (mg g^− 1)	23.0	28.2	30.4
	b (L⁻¹ mg)	0.76	0.48	0.33
	R²	0.99	0.99	0.99
Freundlich	K_f (L mg⁻¹)	10.3	10.3	10.0
	n	0.32	0.33	0.68
	R²	0.91	0.94	0.98
Redlich-Peterson	K_RP	2.32	2.32	2.30
	β	0.67	0.66	0.68
	R²	0.97	0.98	0.98

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ISSN: 2468-2039

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