Removal of Direct Yellow 12 from Water Samples by Cloud Point Extraction Using Triton X‐100 as Nonionic Surfactant | Zendy

Shahnaz Abedi | Zendy; Farzin Nekouei | Zendy

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Removal of Direct Yellow 12 from Water Samples by Cloud Point Extraction Using Triton X‐100 as Nonionic Surfactant

Author(s) -

Shahnaz Abedi,

Farzin Nekouei

Publication year - 2011

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2011/207640

Subject(s) - cloud point , chemistry , pulmonary surfactant , extraction (chemistry) , chromatography , triton x 100 , electrolyte , nonionic surfactant , salt (chemistry) , analytical chemistry (journal) , electrode , organic chemistry , biochemistry

A surfactant mediated cloud point extraction (CPE) procedure has been developed to remove color from wastewater containing direct yellow 12 (Chrysophenine G), using triton x-100 (TX-100) as nonionic surfactant. The effects of the concentration of the surfactant, pH, temperature and salt concentration on the different concentration of dye have been studied and optimum conditions were obtained for the removal of direct yellow 12 (DY 12). The concentration of DY 12 in the dilute phase was measured using UV-Vis spectrophotometer. It was found that the separation of phases was complete and the recovery of DY 12 was very effective in the presence of NaCl as an electrolyte. The results showed that up to 600 mg L−1 of DY 12 can quantitatively be removed (>96%) by Cloud point extraction procedure in a single extraction using optimum conditions.

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