Research Article

Separation of Some Anionic Dyes Using Reverse Micelles of CTAB and SDS as Efficient Surfactants Adsorbents from Aqueous Medium

Table 2

Summarizing the constants of kinetics model and the correlation coefficients for RY145 and RB222 by SDS and CTAB surfactants.

SurfactantsPseudo-first-order model
RY145RB222
k1 min−1.R2t0.5 mink1 min−1R2t0.5 min
CTAB0.08040.9998.620.05550.998012.5
SDS0.06130.977211.310.07600.97339.11

Pseudo-second-order model
RY145RB222
k2 g mg−1 min−1R2t0.5 mink2 g mg−1 min−1R2t0.5 min
CTAB0.00290.987115.520.00390.957117.54
SDS0.00290.946115.520.00140.944132.14