| Comparison of photocatalytic degradation of dyes in relation to their structure. | |
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MedLine Citation:
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PMID: 23423868 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The photocatalytic degradation of a series of six acid dyes (Direct Red 80, Direct Red 81, Direct Red 23, Direct Violet 51, Direct Yellow 27, and Direct Yellow 50) has been tested compared in terms of color removal, mineralization, and toxicity (Lactuca sativa L. test) after photocatalysis on immobilized titanium dioxide. The dyes were examined at their natural pH and after hydrolysis at pH 12. Results show that hydrolysis decreases strongly the efficiency of color removal, that full mineralization takes much longer reaction time than color removal, and that toxicity is only very partially reduced. Some structural parameters, related to the structure and the topology of the dye molecules, could be correlated with the apparent color removal rates at natural pH. |
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Authors:
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R Byberg; J Cobb; L Diez Martin; R W Thompson; T A Camesano; O Zahraa; M N Pons |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2013-2-20 |
Journal Detail:
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Title: Environmental science and pollution research international Volume: - ISSN: 1614-7499 ISO Abbreviation: Environ Sci Pollut Res Int Publication Date: 2013 Feb |
Date Detail:
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Created Date: 2013-2-20 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9441769 Medline TA: Environ Sci Pollut Res Int Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Laboratoire Réactions et Génie des Procédés-CNRS, Université de Lorraine, 1 rue Grandville, BP 20451, 54001, Nancy cedex, France. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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