Tratamento de corantes têxteis por degradação redutiva, reação de fenton, coagulação/floculação e filtração lenta
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Data
2015
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Resumo
In this work it was studied the degradation of the direct dye Optisal Yellow 2RL, through treatment
reductive followed by Fenton reaction and coagulation/flocculation. The analytical tests were
accomplished in a glass reactor with 2.0L volumetric capacity. Subsequently it was studied the slow
filtration for mixture of textile dyes, the slow filter consisted of a cylindrical tube of polyvinyl chloride
with height of 65.0 cm and diameter of 14.5 cm. For the reductive degradation and Fenton reaction
followed by coagulation/flocculação the main results were: Removals of 75.26% of the organic
matter (COD) and 90.63% of color. In the study of the technology slow filtration the main results
found for the treatment of mixture of textile dyes, they were: Removals of 72,00% of COD and
91,00% of color. It was possible to conclude that the proposed treatments were demonstrated
efficient in the degradation of the organic matter being accessible and of low cost.
Descrição
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Mistura de corantes, Indústria têxtil, Tratamento, Mixture of textile dyes, Textile industry, Treatment
Citação
MALHEIROS, Felipe Chaves et al. Tratamento de corantes têxteis por degradação redutiva, reação de Fenton, coagulação floculação e filtração lenta. Revista de Química Industrial, Rio de Janeiro, v. 83, n. 749, p. 57-68, 2015.