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      Role of Surfactants Cetyl Pyridinium Chloride (CPC) and Cetyltrimethyl Ammonium Bromide (CTAB) in the Reverse Micellar Extraction of Ternary Mixture of Acid Dyes from Textile Effluent Translated title: Bedeutung der Tenside CPC und CTAB für die Extraktion mit inversen Mizellen ternärer Mischungen aus Säurefarbstoffen im Textilabwasser

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          Abstract

          Textile industry produces colored effluent which is the major cause of water pollution. Removal of color from effluent is very important before discharging. Extraction of ternary mixture of anionic dyes, namely, Acid Orange 7 (AO-7), Acid Blue 1(AB-1) and Acid Yellow 17 (AY-17) was carried out from aqueous solutions using reverse micelles of Cetyl Pyridinium Chloride (CPC) and Cetyltrimethyl ammonium bromide (CTAB) in isoamyl alcohol. Extraction efficiency of CPC and CTAB was studied under various experimental conditions, such as pH of feed solution, concentration of surfactant, extraction time, temperature and initial dye concentration. Under the optimized experimental conditions, 93–98 % of dyes were extracted. It was observed that CTAB is more efficient than CPC for extraction of dyes from aqueous medium.

          Kurzfassung

          Die Textilindustrie produziert farbige Abwässer, die die Hauptursache der Wasserverschmutzung sind. Die Entfernung der Farbe aus dem Abwasser vor dem Ablassen ist sehr wichtig. Die Extraktion der ternären Mischung aus den anionischen Farbstoffen Acid Orange 7 (AO-7), Acid Blue 1 (AB-1) und Acid Yellow 17 (AY-17) wurde aus wässrigen Lösungen unter Verwendung von Umkehrmizellen aus Cetylpyridiniumchlorid (CPC) und Cetyltrimethylammoniumbromid (CTAB) in Isoamylalkohol durchgeführt. Die Effizienz der Extraktion mit CPC und CTAB wurde unter verschiedenen experimentellen Bedingungen untersucht: pH der Einsatzlösung, Konzentration des Tensids, Extraktionszeit, Temperatur und anfängliche Farbstoffkonzentration. Unter den optimierten Versuchsbedingungen wurden die Farbstoffe zu 93 % bis 98 % extrahiert. Es wurde beobachtet, dass CTAB für die Extraktion von Farbstoffen aus wässrigem Medium effizienter ist als CPC.

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          Most cited references17

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          Effect of OH and silanol groups in the removal of dyes from aqueous solution using diatomite.

          The removal of methylene blue, reactive black (C-NN), and reactive yellow (MI-2RN) from aqueous solution by calcined and raw diatomite at 980 degrees C was studied. These studies demonstrated the importance of the various functional groups on the mechanism of adsorption. The role of pore size distribution in the dye adsorption studies was also investigated. The adsorption isotherms were pH dependent. Henry and Freundlich adsorption isotherms were used to model the adsorption behavior and experimental results for all dyes used exhibited heterogeneous surface binding. The removal of the ionisable functional groups increased the pH(ZPC) value from 5.4 to 7.7, while FTIR, SEM and XRD analysis showed a remarkable decrease of the characteristic Si-OH peaks after calcinations at 980 degrees C. The removal of hydroxyl groups from the surface of diatomite lead to a decrease in the adsorption. It was evident from pH and infrared spectra results that mechanisms of methylene blue and reactive yellow adsorption differed from that of reactive black. Accordingly, adsorption on the external surface by n-pi interaction between the pi system of the RB and the electron lone pairs of the oxygen atoms of siloxane group and columbic attraction between the dye and the surface of calcined diatomite was proposed as a possible adsorption mechanism.
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            Chemical- and sediment-mediated reduction of the azo dye disperse blue 79.

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              Removal of Ionic Dyes from Water by Solvent Extraction Using Reverse Micelles

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                Author and article information

                Journal
                tsd
                Tenside Surfactants Detergents
                Carl Hanser Verlag
                0932-3414
                2195-8564
                16 November 2018
                : 55
                : 6
                : 498-503
                Affiliations
                1 Kanya Maha Vidyalaya, Department of Chemistry, Jalandhar, Punjab, India
                2 Research Scholar, IKGPTU, Jalandhar
                3 Shaheed Bhagat Singh State Technical Campus, Department of Applied Sciences and Humanities, Ferozepur, Punjab, India
                4 Hans Raj Mahila Maha Vidyalaya, Jalandhar, Punjab, India
                Author notes
                [* ] Correspondence address, Dr. Ekta Khosla, Associate Professor in Chemistry, Hans Raj Mahila Maha Vidyalaya, Jalandhar (144008), Punjab, India, Tel.: +91-9815461401, E-Mail: ekta1999@ 123456gmail.com

                Mrs. Narinderjit Kaur Assistant professor in Chemistry Kanya Maha Vidyalaya, Jalandhar Punjab (India) Papers published in refereed international journals – 5 Book Published – 1, titled “Effluent treatment technologies” Area of research – Environmental Chemistry and physical chemistry

                Dr. Sangeeta Sharma Associate Professor in Chemisty Shaheed Bhagat Singh State Technical Campus, Ferozepur Punjab (India) Papers published in refereed national/international journals – 32 Book Published – 1, titled “Effluent treatment technologies” Area of research- Environmental Chemistry and physical chemistry

                Dr. Ekta Khosla Associate Professor in Chemisty Hans Raj Mahila Maha Vidyalaya, Jalandhar Punjab (India) Papers published in refereed national/international journals – 35 Book Published – 8 Area of research – Environmental Chemistry and physical chemistry

                Article
                TS110589
                10.3139/113.110589
                858245ff-3559-4be8-a215-62463287343d
                © 2018, Carl Hanser Publisher, Munich
                History
                : 12 September 2017
                : 17 January 2018
                Page count
                References: 18, Pages: 6
                Categories
                Environmental Chemistry

                Chemistry,Pharmaceutical chemistry,Analytical chemistry,General chemistry
                Säurefarbstoffe,surfactant,solvent extraction,Reverse micelles,acid dyes,micellar extraction,Umkehrmizellen,Tensid,Lösemittelextraktion,mizellare Extraktion

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