Fig. 3

Adsorption isotherm of dyes (a) Langmuir model of MB, (b) Langmuir model of RhB, (c) Freundlich model of MB, and (d) Freundlich model of RhB adsorption by COMC adsorbent.

Adsorption isotherm of dyes (a) Langmuir model of MB, (b) Langmuir model of RhB, (c) Freundlich model of MB, and (d) Freundlich model of RhB adsorption by COMC adsorbent.