Photo-Fenton oxidation of azo dye Reactive Black B using an immobilized iron oxide as heterogeneous catalyst
The heterogeneous oxidation of azo dye Reactive Black B (RBB) by the photo-Fenton system catalyzed with an immobilized iron oxide, B1 (supported with SiO2 grain), was investigated. Reactive Black B oxidation was carried out in an expended-bed reactor in which the effect of B1 dosage on the decoloriz...
| Veröffentlicht in: | Water environment research : a research publication of the Water Environment Federation. - 1998. - 85(2013), 4 vom: 24. Apr., Seite 340-5 |
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| Weitere Verfasser: | , |
| Format: | Aufsatz |
| Sprache: | English |
| Veröffentlicht: |
2013
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| Zugriff auf das übergeordnete Werk: | Water environment research : a research publication of the Water Environment Federation |
| Schlagworte: | Journal Article Ferric Compounds Naphthalenesulfonates Water Pollutants, Chemical ferric oxide 1K09F3G675 Remazol black B O0HDY58362 |
| Zusammenfassung: | The heterogeneous oxidation of azo dye Reactive Black B (RBB) by the photo-Fenton system catalyzed with an immobilized iron oxide, B1 (supported with SiO2 grain), was investigated. Reactive Black B oxidation was carried out in an expended-bed reactor in which the effect of B1 dosage on the decolorization and degradation of RBB was examined. Through pseudo-first-order kinetic studies, decolorization was found to be faster than degradation with a fixed rate constant ratio. By determining the iron dissolution from B1, RBB oxidation was supposed to mainly occur on the B1 surface, which catalyzed the generation of hydroxyl radicals in the photo-Fenton reaction. Accordingly, the efficiency of photo-Fenton could reach 100% and 91.2% of decolorization and degradation, respectively, in 300 minutes |
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| Beschreibung: | Date Completed 11.06.2013 Date Revised 23.09.2019 published: Print Citation Status MEDLINE |
| ISSN: | 1554-7531 |