Oxidative removal of Fast Green FCF and ponceaux 4R dyes by H2O2/NaHCO3, UV and H2O2/UV processes: A comparative study

Adina Raducan,Dinu Bogdan,Toma Galaon,Petruta Oancea

Journal of Photochemistry and Photobiology A: Chemistry（2022）

Cited 8|Views6

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Abstract

•We evaluated the oxidation capacity of the UV-H2O2 systems on the degradation of FG and P4R.•The degradation rate follows pseudo-first order kinetics with respect to dyes concentration.•The total organic carbon (TOC) data showed that for chemical oxidation of FG, the mineralization degree is 86%.•The possible mechanism of dyes degradation is proposed.

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Key words

Azo dyes degradation,Bicarbonate,Photodegradation,Kinetic analysis,Reaction mechanism

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