Investigation of the adsorption of anionic surfactants at different pH values by means of active carbon and the kinetics of adsorption | Zendy

Sibel Zor | Zendy

Open Access

Investigation of the adsorption of anionic surfactants at different pH values by means of active carbon and the kinetics of adsorption

Author(s) -

Sibel Zor

Publication year - 2004

Publication title -

journal of the serbian chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.227

H-Index - 45

eISSN - 1820-7421

pISSN - 0352-5139

DOI - 10.2298/jsc0401025z

Subject(s) - adsorption , chemistry , freundlich equation , pulmonary surfactant , kinetics , benzene , activated carbon , sulfonate , inorganic chemistry , alkyl , reaction rate constant , organic chemistry , sodium , biochemistry , physics , quantum mechanics

In this study, the effect of pH on the removal of anionic surfactants, such as linear alkyl benzene sulfonate (LABS) and dodecyl benzene sulfonate (DBS) by means of adsorp- tion by activated carbon was investigated. For this purpose activated carbon was used as ad- sorbent. Anionic surfactant solutions with initial pH values of 3, 6, 8 and 12 were used. The adsorption isotherms for the adsorption of anionic surfactants by active carbon at different pH were determined. These adsorption isotherms were seen to be consistent with Freund- lich's adsorption isotherm. k and n constants were determined from Freundlich's linear equation. Adsorption rate constants were determined from the obtained kinetic curves which were suitable for the first order of rate kinetics.

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