Fenton process for removal of Sunset yellow as an edible dye

Publish Year: 1391
نوع سند: مقاله کنفرانسی
زبان: English
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IAUET01_169

تاریخ نمایه سازی: 9 تیر 1392

Abstract:

This research was designed to investigate the oxidation (decolorization/degradation) of Sunset Yellow azo dye which is used greatly as colorant in food and drug industries in aqueous solutions using Fenton (H2O2/Fe2+) reagent.The effect of operating parameters affecting the removal efficiency such as H2O2, Fe2+ and dye concentrations and pH were investigated and optimized.In order to optimize theparameters, the Taguchi fractional factorial design was used (4 factors in 4 levels).Optimum conditionsfor Fenton process were established as:(0.005 mmol Fe, 0.1 mmol H(2)O(2), 20 mg/L initial dye concentration and pH=3).The results showed that Fenton process have high ability in Sunset yellow removal, so this advanced oxidation process can be used for removal of Sunset yellow from waste waters.

Authors

Afrooz Khavaran

Department of Chemistry, North Tehran Branch, Islamic Azad University, Tehran, Iran.

Shahab Shariati

Department of Chemistry, Science and Research Branch, Islamic Azad University, Guilan, Iran

Mahmood Reza Sohrabi

Department of Chemistry, North Tehran Branch, Islamic Azad University, Tehran, Iran.

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