Remoção da cor de mistura de corantes têxteis com tratamento fotorredutivo
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2021-04
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Remediation of the mixture of the textile dyes (C.I. Disperse Red 60; C.I. Direct Yellow 162 e C.I. Direct Orange 39) by reductive process (Na2SO3) under ultraviolet radiation (254 nm) in a recirculating photoreactor; was investigated in this study. The effects of operational parameters, such as: sulfite concentration, pH values and treatment time were experienced with a focus on removing the color. The best conditions selected in this study were: Higher percentage of color removal (410 nm absorbance) in the mixture of textile dyes 30% and turbidity was 90% ̈using 1.0 mmol L-1 of sodium sulfite at pH 3.0 during 120 minutes of treatment.
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Indústria têxtil, Degradação, Tratamento, Reator, Textile industry, Degradation, Treatment, Reactor
Citação
DUFRAYER, Carlos Rafael et al. Remoção da cor de mistura de corantes têxteis com tratamento fotorredutivo. Revista Brasileira de Meio Ambiente & Sustentabilidade, Florianópolis, v. 1, n. 2, p. 299-311, abr. 2021. Disponível em: https://rbmaes.emnuvens.com.br/revista/article/view/62. Acesso em: 10 jun. 2024.