Figures & data
Figure 1. Optimized structure of (a) methyl blue and (b) malachite green.
Figure 2. Variation of equilibrium concentration of dye adsorbed with dye concentration.
Figure 3. Variation of equilibrium concentration of dye adsorbed with biomass dose.
Figure 4. Variation of equilibrium concentration of dye adsorbed with pH.
Figure 5. Variation of equilibrium concentration of dye adsorbed with time.
Figure 6. (a) Langmuir and (b) Temkin plots for the adsorption of MB and MG dyes on neem leaves.
Table 1. Langmuir and Temkin parameters for the adsorption of MB and MG dyes.
Figure 7. Pseudo (a) first and (b) second-order kinetic plots for the adsorption of MB and MG dyes.
Table 2. Pseudo first and second-order kinetic parameters for the adsorption of MB and MG.
Figure 8. Intra particle diffusion plots for the adsorption of MB and MG on neem leaves.
Table 3. Calculated quantum chemical descriptors for MB and MG dyes.
Figure 9. HOMO and LUMO molecular orbital diagrams of MB and MB dyes.
