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Recovery of Reactive (Triazine) Dyes from Textile Effluent by Solvent Extraction Process
Asian Journal of Chemistry,
Vol. 22 No. 1 (2010): Vol 22 Issue 1, 2010
Abstract
In the present work, triazine reactive dyes are recovered from the
textile effluent by the solvent extraction process using surfactants. Work
is carried out on three different triazine dyes i.e., reactive blue 171,
reactive red 141 and reactive yellow 84. As these dyes are anionic in
nature so cationic surfactant i.e., hexadecyl trimethyl ammonium bromide
(HTAB) is used for the forward extraction of dye into solvent phase.
For the backward extraction of dye into aqueous phase an anionic
surfactant is used to counter the charge effect i.e., sodium dodecyl
benzene sulfonate (SDBS). The cationic surfactant is chosen in such a
way that it forms reverse micelle with solvent. Isoamyl alcohol is selected
as solvent for the present studies, since the other lower alcohols are
soluble in water, where as it is almost immiscible and forms distinct
upper layer in aqueous solution. The effects of different parameters,
such as the surfactant concentration, pH and electrolyte (NaCl) concentration
are studied in the present work.
textile effluent by the solvent extraction process using surfactants. Work
is carried out on three different triazine dyes i.e., reactive blue 171,
reactive red 141 and reactive yellow 84. As these dyes are anionic in
nature so cationic surfactant i.e., hexadecyl trimethyl ammonium bromide
(HTAB) is used for the forward extraction of dye into solvent phase.
For the backward extraction of dye into aqueous phase an anionic
surfactant is used to counter the charge effect i.e., sodium dodecyl
benzene sulfonate (SDBS). The cationic surfactant is chosen in such a
way that it forms reverse micelle with solvent. Isoamyl alcohol is selected
as solvent for the present studies, since the other lower alcohols are
soluble in water, where as it is almost immiscible and forms distinct
upper layer in aqueous solution. The effects of different parameters,
such as the surfactant concentration, pH and electrolyte (NaCl) concentration
are studied in the present work.
Keywords
Triazine dyes
Reverse micelle
Surfactant
Solvent extraction
Electrostatic interaction.
TUTEJA*, R., KAUSHIK, N., KAUSHIK, C., & SHARMA, J. (2024). Recovery of Reactive (Triazine) Dyes from Textile Effluent by Solvent Extraction Process. Asian Journal of Chemistry, 22(1), 539–545. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/16676
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