FeIII‐TAML‐Catalyzed Green Oxidative Decolorization of Textile Dyes in Wastewater
Identifieur interne : 000081 ( Maroc/Analysis ); précédent : 000080; suivant : 000082FeIII‐TAML‐Catalyzed Green Oxidative Decolorization of Textile Dyes in Wastewater
Auteurs : Naima Chahbane [Allemagne] ; Dieter Lenoir [Allemagne] ; Salah Souabi [Maroc] ; Terrence J. Collins [États-Unis] ; Karl-Werner Schramm [Allemagne]Source :
- CLEAN – Soil, Air, Water [ 1863-0650 ] ; 2007-11.
English descriptors
Abstract
The FeIII‐TAML®/hydrogen peroxide system was first tested for decolorization of structurally different synthetic dyes. The kinetic of decolorization was greatly affected by pH. In alkaline medium the system is much faster, with more than 90% decolorization being attained within the first minutes. At pH 11, the treatment achieves over 98% degradation of the eight tested dyes within 15 min, and around 60% for another four dyes. Furthermore, when the performances of the oxidizing system were checked for decolorization of real textile wastewater, FeIII‐TAML®/H2O2 showed promising results by a complete decolorization of the samples studied within 5 min at a temperature ranging between 25 to 40°C.
Url:
DOI: 10.1002/clen.200720011
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ISTEX:407F751DB7430B2E0A6DB6222DFB4A5124131009Le document en format XML
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The kinetic of decolorization was greatly affected by pH. In alkaline medium the system is much faster, with more than 90% decolorization being attained within the first minutes. At pH 11, the treatment achieves over 98% degradation of the eight tested dyes within 15 min, and around 60% for another four dyes. Furthermore, when the performances of the oxidizing system were checked for decolorization of real textile wastewater, FeIII‐TAML®/H2O2 showed promising results by a complete decolorization of the samples studied within 5 min at a temperature ranging between 25 to 40°C.</div></front></TEI><affiliations><list><country><li>Allemagne</li><li>Maroc</li><li>États-Unis</li></country><region><li>Pennsylvanie</li></region><settlement><li>Pittsburgh</li></settlement><orgName><li>Université Carnegie-Mellon</li></orgName></list><tree><country name="Allemagne"><noRegion><name sortKey="Chahbane, Naima" sort="Chahbane, Naima" uniqKey="Chahbane N" first="Naima" last="Chahbane">Naima Chahbane</name></noRegion><name sortKey="Lenoir, Dieter" sort="Lenoir, Dieter" uniqKey="Lenoir D" first="Dieter" last="Lenoir">Dieter Lenoir</name><name sortKey="Schramm, Karl Erner" sort="Schramm, Karl Erner" uniqKey="Schramm K" first="Karl-Werner" last="Schramm">Karl-Werner Schramm</name><name sortKey="Schramm, Karl Erner" sort="Schramm, Karl Erner" uniqKey="Schramm K" first="Karl-Werner" last="Schramm">Karl-Werner Schramm</name></country><country name="Maroc"><noRegion><name sortKey="Souabi, Salah" sort="Souabi, Salah" uniqKey="Souabi S" first="Salah" last="Souabi">Salah Souabi</name></noRegion></country><country name="États-Unis"><region name="Pennsylvanie"><name sortKey="Collins, Terrence J" sort="Collins, Terrence J" uniqKey="Collins T" first="Terrence J." last="Collins">Terrence J. 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