Biosorption of Acid Dye in Single and Multidye Systems onto Sawdust of Locust Bean (Parkia biglobosa) Tree

Table 2

Isotherm parameters for the adsorption of Acid Blue 161 onto raw sawdust.

Adsorbate	Langmuir			Freundlich			Temkin and Pyzhev
system
AB	0.991	40.0	0.02	0.998	1.48	0.651	0.924	4.12	0.351
AB + MB	0.982	100	0.5	0.983	13.84	0.284	0.999	417.79	1.22
AB + RB	0.964	100	0.25	0.991	10.09	0.213	0.855	133.05	1.92
AB + MB + RB	0.954	94.3	0.28	0.904	3.69	0.237	0.848	10.41	1.77