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Eco/genotoxicity of commercial dye CI Disperse Red 1 and chlorinated byproducts.

Grant number: 09/12739-5
Support Opportunities:Scholarships in Brazil - Master
Effective date (Start): March 01, 2010
Effective date (End): February 29, 2012
Field of knowledge:Interdisciplinary Subjects
Principal Investigator:Gisela de Aragão Umbuzeiro
Grantee:Francine Inforçato Vacchi
Host Institution: Faculdade de Tecnologia (FT). Universidade Estadual de Campinas (UNICAMP). Limeira , SP, Brazil

Abstract

About 70% of dyes used in textiles industries are of type azo. These days 15% of the dye world production is discharged into the environment during its production, processing and application. Effluent that contains dyes must have their color removed in order to be in compliance with environmental regulations, but sometimes the treatment can lead to more toxic compounds. The commercial azo dye Disperse Red 1 used in this study is composed of six different dye constituents and surfactant; however the main dye of the commercial product is the Disperse Red 1 (N-Ethyl-N-(2-hydroxyethyl)-4-(4-nitrophenylazo) aniline; CAS number 2872-52-8). Commercial dye samples were treated with chlorine gas, in order to simulate the conditions used in effluent treatment plant. The ecotoxicity of the commercial dye and chlorinated byproduct was evaluated in acute tests with Ceriodaphnia dubia, Ceriodaphnia silvestrii, Daphnia similis, Daphnia magna, and Hydra attenuata as well as in chronic toxicity tests with Pseudokirchneriella subcapitata, Ceriodapnhia dubia and Hydra attenuata. Mutagenicity was evaluated using Salmonella/microsome assay with TA98, TA100 and YG1041 strains.

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
VACCHI, FRANCINE INFORCATO; ALBUQUERQUE, ANJAINA FERNANDES; VENDEMIATTI, JOSIANE APARECIDA; MORALES, DANIEL ALEXANDRE; ORMOND, ALEXANDRA B.; FREEMAN, HAROLD S.; ZOCOLO, GUILHERME JULIAO; BOLDRIN ZANONI, MARIA VALNICE; UMBUZEIRO, GISELA. Chlorine disinfection of dye wastewater: Implications for a commercial azo dye mixture. Science of The Total Environment, v. 442, p. 302-309, . (09/12739-5, 08/10449-7)
FRANCISCON, ELISANGELA; MENDONCA, DANILO; SEBER, SAMILE; MORALES, DANIEL ALEXANDRE; ZOCOLO, GUILHERME JULIAO; ZANONI, MARIAVALNICE BOLDRIN; GROSSMAN, MATTHEW JAMES; DURRANT, LUCIA REGINA; FREEMAN, HAROLD S.; UMBUZEIRO, GISELA ARAGAO. Potential of a bacterial consortium to degrade azo dye Disperse Red 1 in a pilot scale anaerobic-aerobic reactor. Process Biochemistry, v. 50, n. 5, p. 816-825, . (09/12739-5, 08/10449-7)
VACCHI, FRANCINE INFORCATO; VON DER OHE, PETER CARSTEN; DE ALBUQUERQUE, ANJAINA FERNANDES; DE SOUZA VENDEMIATTI, JOSIANE APARECIDA; JESUS AZEVEDO, CARINA CRISTINA; HONORIO, JAQUELINE GONCALVES; DA SILVA, BIANCA FERREIRA; BOLDRIN ZANONI, MARIA VALNICE; HENRY, THEODORE B.; NOGUEIRA, ANTONIO J.; et al. Occurrence and risk assessment of an azo dye - The case of Disperse Red 1. Chemosphere, v. 156, p. 95-100, . (12/13344-7, 09/12739-5, 08/10449-7, 14/13157-8)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
VACCHI, Francine Inforçato. Eco/genotoxicity of commercial dye CI Disperse Red 1 and chlorinated by-products. 2012. Master's Dissertation - Universidade Estadual de Campinas (UNICAMP). Faculdade de Tecnologia Limeira, SP.

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