COLOR REMOVAL FROM TEXTILE DYES MIXING WITH PHOTOREDUCTIVE TREATMENT
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Published:
Apr 30, 2021
Keywords:
Textile industry. Degradation. Treatment. Reactor.
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Abstract
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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How to Cite
Dufrayer, . C. R. ., Andrade, P. M. de ., Coelho, . W. C. da S. ., & Brito, . N. N. de . (2021). COLOR REMOVAL FROM TEXTILE DYES MIXING WITH PHOTOREDUCTIVE TREATMENT. Revista Brasileira De Meio Ambiente & Sustentabilidade, 1(2), 299–311. Retrieved from https://rbmaes.emnuvens.com.br/revista/article/view/62
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