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    • ISSN: 2010-0264
    • Frequency: Bimonthly (2010-2014); Monthly (Since 2015)
    • DOI: 10.18178/IJESD
    • Editor-in-Chief: Prof. Richard Haynes
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Editor-in-chief
The University of Queensland, Australia
It is my honor to be the editor-in-chief of IJESD. The journal publishes good papers in the field of environmental science and development.
IJESD 2017 Vol.8(4): 255-259 ISSN: 2010-0264
doi: 10.18178/ijesd.2017.8.4.958

Degradation of Red Anthraquinone Dyes: Alizarin, Alizarin S and Alizarin Complexone by Ozonation

E. Ortiz, H. Solis, L. Noreña, and S. Loera-Serna
Abstract—This paper describes the degradation of red anthraquinone dyes (alizarin, alizarin S and alizarin complexone) with initial concentration of 100 ppm in aqueous solution by ozone oxidation. The results of UV/VIS and FTIR spectra showed that the anthraquinone structures, nitrogen linkages and amino groups of anthraquinone dyes were broken after the direct ozone reaction. Almost complete color removal was obtained through ozonation within about 70, 18 and 18 min, reaction time for alizarin, alizarin S and alizarin complexone, respectively. The analysis of residuals by FTIR indicated that the alizarin primary degradation products were some organic compounds (e.g., aromatic groups, carbonate esther) and CO32- (due to the dye mineralization). Alizarin S degradation products exhibited IR absorption bands at 1717, 1623, 1387, 1105 and 1045 cm-1, attributed to >C=O (carbonyl), >C=C< (alkenes), -C-C-C (alkanes), SO42- and –C-O-C- groups respectively. Approximately 90% of alizarin can be removed from water streams with the present methodology; followed by approximately 80% removal of complexone and 70% removal of alizarin S.

Index Terms—Anthraquinone dyes, ozonation, degradation, alizarin, alizarin S, alizarin complexone.

The authors are with the Metropolitan Autonomous University, Azcapotzalco, Av. San Pablo 180, Col. Reynosa Tamaulipas, Azcapotzalco, Ciudad de México, 02200, Mexico (e-mail: mariaelbaortiz@gmail.com).

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Cite: E. Ortiz, H. Solis, L. Noreña, and S. Loera-Serna, "Degradation of Red Anthraquinone Dyes: Alizarin, Alizarin S and Alizarin Complexone by Ozonation," International Journal of Environmental Science and Development vol. 8, no. 4, pp. 255-259, 2017.

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