Batch technique was chosen for investigating adsorption of brilliant green, toluidine blue and trypan blue dyes onto [email protected]
Different tubes contain 25 ml measuring concentration dye solution at the same pH. Constant amount of [email protected] was added to dye solution for pumping 1h. The residual dye solution was measured by UV-vis spectrophotometer at ? max specializes for Br.G, To.B and Tr.
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B dyes to get absorbance. By knowing C? (initial concentration, mg/L) and Ce (concentration of dye remains, mg/L), V is the volume of Br.G, To.B and Tr.B dyes and m is gram added from [email protected]
The percentage removal (%E) of dyes and capacity of [email protected] was calculated by equations: %E=(C?-C_e)/C?×100 (1)Q=C?EV?m (2)