Table 4: Kinetic model constants and correlation coefficients for adsorption of MB dye using various adsorbents at different initial concentrations.

Adsorbents , (mg/L) (mg/g)Pseudo-first-orderPseudo-second-orderIntraparticle diffusion
(mg/g) (mg/g)

2011.60.0358.400.96426.66 × 10−313.90.99231.432.020.9440
ARS5029.50.04015.700.97995.77 × 10−334.50.99872.6719.10.9620
8046.40.03365.700.97954.96 × 10−448.80.97716.5514.60.9881
10055.30.02654.100.97271.70 × 10−353.50.99088.013.410.9811

2011.20.0286.440.88919.92 × 10−312.80.99591.093.540.9173
ARS-0.5C-E5031.70.03214.500.95366.54 × 10−333.00.99241.8617.10.9340
8049.50.03329.300.82192.29 × 10−354.90.99235.0813.20.8512
10059.80.03447.000.95181.28 × 10−370.40.99696.3513.10.9747

2011.80.0203.960.67870.033612.40.99860.3099.630.8864
ARS-1C-E5029.60.02612.800.90288.47 × 10−331.80.99841.6318.50.9212
8047.90.03830.400.95392.47 × 10−346.10.99464.5217.40.9177
10053.10.02448.400.98014.36 × 10−355.60.88685.7610.60.9842

2011.20.0472.400.93380.058113.40.99940.26311.20.9453
ARS-0.5C5030.10.0237.750.89850.017931.90.99971.0823.40.8993
8049.80.02618.50.84616.08 × 10−351.30.99902.9528.30.7549
10061.70.03749.10.91371.27 × 10−355.50.98408.322.370.8711

2011.70.0293.350.82070.032613.90.99970.5828.610.8296
ARS-1C50310.0377.780.95560.016533.10.99981.2123.70.8914
8047.30.03829.90.83452.23 × 10−355.20.99415.1412.60.8685
10062.80.02977.10.89198.01 × 10−366.60.99992.3547.10.8290

2010.40.0198.390.98449.57 × 10−311.80.98350.9123.590.9853
ARS-E5026.10.01820.20.86964.24 × 10−329.00.99821.5910.20.9399
8051.70.01524.10.89120.032150.812.1141.10.8060
100640.02543.80.94655.83 × 10−363.30.99973.6335.30.8518