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Campo DCValorLenguaje
dc.creatorSolís-Oba,M.-
dc.creatorEloy-Juárez,M.-
dc.creatorTeutli,M.-
dc.creatorNava,J. L.-
dc.creatorGonzález,I.-
dc.date2009-12-01-
dc.date.accessioned2012-07-31T21:57:36Z-
dc.date.available2012-07-31T21:57:36Z-
dc.date.issued2012-07-31-
dc.identifierhttp://www.scielo.org.mx/scielo.php?script=sci_arttext&pid=S1665-27382009000300006-
dc.identifier.urihttp://repositoriodigital.academica.mx/jspui/handle/987654321/86813-
dc.descriptionIndigo blue is one of the most important textile dyes. The wastewaters for indigo blue used are thought to be contaminated because; indigo can be oxidized to isatin, which is hydrolyzed to antranilic acid, a compound that is toxic to aquatic life. Indigo oxidation was evaluated using a model solution that simulated a textile wastewater. Three oxidation systems: electro incineration, chemical coagulation using Al2 (SO4)3, and enzymatic degradation with laccase. With electro incineration, the indigo solution was completely discolored; chemical oxidation demand diminution was 98% in approximately 3 hours and indigo blue was mineralized with no sludge production. Chemical coagulation with 40 mg L-1 sulfate aluminum removed some color though control of pH was necessary. At pH 5, the chemical oxygen demand was reduced by 76%, with sludge formation. Laccase enzyme, processing required 72 hours for complete discoloration of the indigo model solution; chemical oxidation demand diminution was nearby 50%, but laccase could not mineralize the dye. Toxicity assays indicated that the processes generated more toxic products than the control.-
dc.formattext/html-
dc.languageen-
dc.publisherRevista mexicana de ingeniería química-
dc.subjectelectro incineration-
dc.subjectindigo-
dc.subjectoxidation-
dc.subjectchemical coagulation-
dc.subjectlaccase-
dc.subjecttoxicity-
dc.titleComparison of advanced techniques for the treatment of an indigo model solution: Electro incineration, chemical coagulation and enzymatic-
dc.typejournal article-
Aparece en las Colecciones:Revista Mexicana de Ingeniería Química

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