The solution to be treated contains L dm3 solution and the MB
dye concentration is reduced for each stage from C0 to C1 mg dm−3
[41], C1 to C2. . .Cm − Cn. where Cm is equilibrium concentration of
MB dye in previous adsorption stage (mg L−1) and Cn is final concentration of MB dye in aqueous solution at final adsorption stage
(mg L−1).
The solution to be treated contains