Ionic Dye Removal Using Solvent-Assisted Ionic Micellar Flocculation

Comparative study of the co-assembly behaviour of 3-chloro-4-hydroxy-phenylazo dyes with DTAB

“…The formation of such solid dye–surfactant complexes, from oppositely charged species, was described previously for various systems. 24,25,31,32…”

“…The formation of such solid dye-surfactant complexes, from oppositely charged species, was described previously for various systems. 24,25,31,32 Determining the phase transition threshold line according to eqn (1) indicates the stoichiometry of dye-surfactant complex formation within the observed concentration range (2 mM r [DTAB] tot r 30 mM). This was done by a linear fit to the compositions of samples containing the highest concentration of dye still being within the 1-phase region.…”