Table 2: The parameters of Langmuir, Freundlich, Tempkin, and Redlich-Peterson isotherms for MB adsorption.

ParametersRSARSARS-0.5C-EARS-1C-EARS-0.5CARS-1CARS-E

Langmuir
(mg/g)32.662.969.074.695.2135.1107.5
(L/g)0.44530.38040.22310.40120.24250.14070.3432
0.09940.01290.02190.01230.02020.03430.0143
(J/mol)−24.6−30.0−28.6−30.1−28.8−27.4−29.7
0.99800.98950.99840.99970.99460.99660.9991
Freundlich
(mg/g)/(L/mg 2.727.127.835.627.231.845.2
0.5680.2150.2330.1760.3870.3580.227
0.98210.99250.97060.86410.95470.99190.9722
Tempkin
—*10.39.910.922.927.517.0
(L/mol)8.625.68.81.91.710.5
(J/mol)248.1257.8234.5111.993.2151.0
0.99210.90740.93580.98000.99860.9943
Redlich-Peterson
0.78060.82150.87440.63060.64210.7650
(L/g)0.13640.59510.06280.01290.01630.0616
(L/mg)8.37 × 10−30.01139.95 × 10−38.63 × 10−34.41 × 10−37.60 × 10−3
0.99930.99380.99090.97620.99730.9947

—*: not detected.