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Batch technique was carried out for discovering 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. specific amount of [email protected] was shacked in these tubes for 1h. The concentration of residual dye solution was measured spectrophotometrically at maximum wavelength for Br.G, To.B and Tr.B dyes. 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)

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