Advanced oxidation of commercial textile biocides in aqueous solution : effects on acute toxicity and biomass inhibition

In the present study, the decomposition of two biocides used in the textile finishing process with Advanced Oxidation Processes (AOPs) has been studied. Different AOPs, i.e O3/OH-, TiO2/UV-A and Fe2+/H2O2 have been used representing mutually combined components of the chemically and photochemically...

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Veröffentlicht in:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 52(2005), 10-11 vom: 18., Seite 309-16
1. Verfasser: Arslan-Alaton, I (VerfasserIn)
Weitere Verfasser: Eremektar, G, Germirli-Babuna, F, Insel, G, Selcuk, H, Ozerkan, B, Teksoy, S
Format: Aufsatz
Sprache:English
Veröffentlicht: 2005
Zugriff auf das übergeordnete Werk:Water science and technology : a journal of the International Association on Water Pollution Research
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Anti-Bacterial Agents Fenton's reagent Organic Chemicals Sewage Sulfuric Acids titanium dioxide 15FIX9V2JP Carbon mehr... 7440-44-0 Hydrogen Peroxide BBX060AN9V Titanium D1JT611TNE Iron E1UOL152H7 potassium peroxymonosulfuric acid HL6A2XXU5D Oxygen S88TT14065
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520 |a In the present study, the decomposition of two biocides used in the textile finishing process with Advanced Oxidation Processes (AOPs) has been studied. Different AOPs, i.e O3/OH-, TiO2/UV-A and Fe2+/H2O2 have been used representing mutually combined components of the chemically and photochemically driven advanced oxidation systems. The course of reaction was examined by changes in chemical oxygen demand (COD), total organic carbon (TOC) and acute toxicity towards the water flea Daphnia magna (assessed in terms of the effective dilution ratio LD50). Particular attention has been paid to determine the inhibitory effect of raw and ozonated biocides on biological activated sludge consortium at concentrations typically encountered in textile finishing effluents. Significant oxidation and mineralization of both biocides could be achieved employing ozonation at pH = 11.5 and heterogeneous photocatalysis (TiO2/UV-A) at pH = 5.0, whereas Fenton's reagent appeared to be less effective in COD and acute toxicity abatement 
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700 1 |a Eremektar, G  |e verfasserin  |4 aut 
700 1 |a Germirli-Babuna, F  |e verfasserin  |4 aut 
700 1 |a Insel, G  |e verfasserin  |4 aut 
700 1 |a Selcuk, H  |e verfasserin  |4 aut 
700 1 |a Ozerkan, B  |e verfasserin  |4 aut 
700 1 |a Teksoy, S  |e verfasserin  |4 aut 
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