Research Article

Sequestration of Hazardous Dyes from Aqueous Solution Using Raw and Modified Agricultural Waste

Table 6

Isotherm model parameters for sorption of CR dye onto RL and CL.

Temp (K)Langmuir modelFreundlich modelTemkin model
(mg/g) (L/mg) (L/mg) (L/g) (J/mol)

RL
30355.560.04309.8560.2052.1491.04909.7770.8977.96108.321
32335.210.05109.8380.1791.6391.13509.5520.7046.88407.759
33323.420.05809.7700.1611.6261.45409.7400.6644.93908.957
35319.920.06209.7150.1521.5121.51109.6070.6234.52408.677

CL
30315.670.12709.5670.0811.9981.65309.5290.8864.31208.436
32321.370.15609.5950.0672.8451.45409.4641.3035.60008.032
33352.080.15909.8640.0656.8661.14909.8352.8978.16709.175
35358.480.16309.9030.0647.9211.18909.7733.4678.03709.372