Synthesis, Characterization, and Application of Co-Al-Zn Layered Double Hydroxide/Hydrochar Composite for Simultaneous Removal of Cationic and Anionic Dyes

Table 4

Values of fitting parameters obtained from LF and DR isotherms.

	MB	MO	RY-2
Langmuir–Freundlich isotherm parameters
N t (µmol g^−1)	242.8219	5.27	16.2892
m	0.7162	1.23	4.6753
(mM^−1)	0.0018	0.639	1.0152
R ^2	0.99	0.99	0.99
DR isotherm
Xm (mgg^−1)	6.65	4.12	0.26
E (KJ mol^−1)	10	11	6.37
R ^2	0.98	0.94	0.95