Comprehensive monitoring of the performance of homogenous and heterogeneous UV/H2O2/S2O8 2-/Fe2+ processes in mineralization of Acid Red 73

Alireza Khataee; Hamid Aleboyeh; Mohsen Sheydaei; Azam Aleboyeh

doi:10.1007/s11164-015-2042-1

Comprehensive monitoring of the performance of homogenous and heterogeneous UV/H₂O₂/S₂O₈ ^2-/Fe²⁺ processes in mineralization of Acid Red 73

Alireza Khataee^*, Hamid Aleboyeh, Mohsen Sheydaei, Azam Aleboyeh

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

Degradation of an azo dye, Acid Red 73 (AR73), was examined in detail using the UV/H₂O₂/S₂O₈ ^2-/Fe²⁺ process. UV-Vis absorbance, total organic carbon, H₂O₂ concentration, and pH of solution were monitored during the mineralization process. The results indicated that the mineralization efficiency was optimized from 78.8 to 95.6 % as a result of increasing the initial concentration of S₂O₈ ^2- from 0.923 to 3.70 mM. The capability of this process was compared with those of UV/H₂O₂, UV/H₂O₂/Fe²⁺, and UV/H₂O₂/S₂O₈ ^2- processes. The UV/H₂O₂/S₂O₈ ^2-/Fe²⁺ process was more effective than other processes in degradation of AR73. Moreover, Fe²⁺ was immobilized on the surface of zeolite (ZSM5), and its immobilization effect was examined. Mineralization efficiency in the Fe²⁺ catalyzed process was higher than that of the Fe²⁺-ZSM5 catalyzed process.

Original language	English
Pages (from-to)	571-580
Number of pages	10
Journal	Research on Chemical Intermediates
Volume	42
Issue number	2
DOIs	https://doi.org/10.1007/s11164-015-2042-1
Publication status	Published - 1 Feb 2016
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2015 Springer Science+Business Media Dordrecht.

Keywords

Advanced oxidation processes
Degradation
Monitoring
Textile dye
Zeolite

Access to Document

10.1007/s11164-015-2042-1

Cite this

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title = "Comprehensive monitoring of the performance of homogenous and heterogeneous UV/H2O2/S2O8 2-/Fe2+ processes in mineralization of Acid Red 73",

abstract = "Degradation of an azo dye, Acid Red 73 (AR73), was examined in detail using the UV/H2O2/S2O8 2-/Fe2+ process. UV-Vis absorbance, total organic carbon, H2O2 concentration, and pH of solution were monitored during the mineralization process. The results indicated that the mineralization efficiency was optimized from 78.8 to 95.6 % as a result of increasing the initial concentration of S2O8 2- from 0.923 to 3.70 mM. The capability of this process was compared with those of UV/H2O2, UV/H2O2/Fe2+, and UV/H2O2/S2O8 2- processes. The UV/H2O2/S2O8 2-/Fe2+ process was more effective than other processes in degradation of AR73. Moreover, Fe2+ was immobilized on the surface of zeolite (ZSM5), and its immobilization effect was examined. Mineralization efficiency in the Fe2+ catalyzed process was higher than that of the Fe2+-ZSM5 catalyzed process.",

keywords = "Advanced oxidation processes, Degradation, Monitoring, Textile dye, Zeolite",

author = "Alireza Khataee and Hamid Aleboyeh and Mohsen Sheydaei and Azam Aleboyeh",

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AU - Sheydaei, Mohsen

AU - Aleboyeh, Azam

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N2 - Degradation of an azo dye, Acid Red 73 (AR73), was examined in detail using the UV/H2O2/S2O8 2-/Fe2+ process. UV-Vis absorbance, total organic carbon, H2O2 concentration, and pH of solution were monitored during the mineralization process. The results indicated that the mineralization efficiency was optimized from 78.8 to 95.6 % as a result of increasing the initial concentration of S2O8 2- from 0.923 to 3.70 mM. The capability of this process was compared with those of UV/H2O2, UV/H2O2/Fe2+, and UV/H2O2/S2O8 2- processes. The UV/H2O2/S2O8 2-/Fe2+ process was more effective than other processes in degradation of AR73. Moreover, Fe2+ was immobilized on the surface of zeolite (ZSM5), and its immobilization effect was examined. Mineralization efficiency in the Fe2+ catalyzed process was higher than that of the Fe2+-ZSM5 catalyzed process.

AB - Degradation of an azo dye, Acid Red 73 (AR73), was examined in detail using the UV/H2O2/S2O8 2-/Fe2+ process. UV-Vis absorbance, total organic carbon, H2O2 concentration, and pH of solution were monitored during the mineralization process. The results indicated that the mineralization efficiency was optimized from 78.8 to 95.6 % as a result of increasing the initial concentration of S2O8 2- from 0.923 to 3.70 mM. The capability of this process was compared with those of UV/H2O2, UV/H2O2/Fe2+, and UV/H2O2/S2O8 2- processes. The UV/H2O2/S2O8 2-/Fe2+ process was more effective than other processes in degradation of AR73. Moreover, Fe2+ was immobilized on the surface of zeolite (ZSM5), and its immobilization effect was examined. Mineralization efficiency in the Fe2+ catalyzed process was higher than that of the Fe2+-ZSM5 catalyzed process.

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