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231224s2012 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2012.202
|2 doi
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|a pubmed24n0715.xml
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|a (NLM)22233898
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Huang, Yao-Hui
|e verfasserin
|4 aut
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|a Heterogeneous photo-catalysis system for the degradation of azo dye Reactive Black 5 (RB5)
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|c 2012
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 10.04.2012
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|a Date Revised 25.11.2016
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|a published: Print
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|a Citation Status MEDLINE
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|a This study investigated a heterogeneous photo-catalysis system by introducing a novel brick supported iron oxide (denoted as B1) for the heterogeneous photoassisted degradation of Reactive Black 5 (RB5) at pH value from 3 to 7 in a three-phase (gas-liquid-solid) fluidized bed reactor (3P-FBR). Scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), X-ray powder diffraction (XRD) and N(2) adsorption/desorption were used to characterize the B1 catalyst. The in situ formation of hydrogen peroxide and the depletion of oxalic acid by photochemical cycle of Fe(III)-oxalate complex under UVA light (λ = 365 nm) were studied. The effects of the solution pH and the concentration of oxalic acid on the degradation of RB5 are elucidated. About 90% decolourization was measured and 80% of the total organic carbon (TOC) was eliminated at pH 5.0 after 120 min for 20 mg/L RB5 in presence of 10 g/L B1 catalyst, 30 mg/L oxalic acid under 15 W UVA light. A mechanism for the photocatalytic degradation of RB5 over B1 catalyst is proposed
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Coloring Agents
|2 NLM
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|a Ferric Compounds
|2 NLM
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|a Naphthalenesulfonates
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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|a ferric oxide
|2 NLM
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|a 1K09F3G675
|2 NLM
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|a Oxalic Acid
|2 NLM
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|a 9E7R5L6H31
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|a Remazol black B
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|a O0HDY58362
|2 NLM
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|a Wei, Hau-Cheng
|e verfasserin
|4 aut
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|a Chen, Hung-Ta
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 65(2012), 2 vom: 01., Seite 221-6
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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|g volume:65
|g year:2012
|g number:2
|g day:01
|g pages:221-6
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|u http://dx.doi.org/10.2166/wst.2012.202
|3 Volltext
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