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A novel route for waste water treatment: photo-assisted fenton degradation of Naphthol Green B
Anil Kumar, Mukesh Paliwal, Rameshwar Ameta, Suresh C. Ameta
Jazyk angličtina Země Česko
- MeSH
- barvicí látky škodlivé účinky MeSH
- chemické látky znečišťující vodu MeSH
- čištění vody metody MeSH
- financování organizované MeSH
- fotochemie metody MeSH
- odpadní vody MeSH
- peroxid vodíku chemie MeSH
- železo chemie MeSH
This study was conducted to assess the removal of the Naphthol Green B dye from aqueous medium using the photo-Fenton process. The Fenton reagent, a mixture of hydrogen peroxide and Fe3+ ions, was used to generate the hydroxyl radical (•OH) that degrades the dye. Experiments were conducted at laboratory temperature and atmospheric pressure to examine the effect of reaction conditions such as the concentration of Fe3+ ions, the dye and hydrogen peroxide, pH, and light intensity on the reaction rate. The progress of the photochemical degradation was monitored spectrophotometrically. The optimum photochemical degradation conditions were determined. Naphthol Green B was completely degraded into CO2 and H2O. A tentative mechanism for photochemical bleaching of the dye by the photo- Fenton reaction has been proposed.
Citace poskytuje Crossref.org
Lit.: 41
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- $a Lit.: 41
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- $a This study was conducted to assess the removal of the Naphthol Green B dye from aqueous medium using the photo-Fenton process. The Fenton reagent, a mixture of hydrogen peroxide and Fe3+ ions, was used to generate the hydroxyl radical (•OH) that degrades the dye. Experiments were conducted at laboratory temperature and atmospheric pressure to examine the effect of reaction conditions such as the concentration of Fe3+ ions, the dye and hydrogen peroxide, pH, and light intensity on the reaction rate. The progress of the photochemical degradation was monitored spectrophotometrically. The optimum photochemical degradation conditions were determined. Naphthol Green B was completely degraded into CO2 and H2O. A tentative mechanism for photochemical bleaching of the dye by the photo- Fenton reaction has been proposed.
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