2010
DOI: 10.1590/s0100-40422010000200027
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Aplicação de fotólise direta e UV/H2O2 a efluente sintético contendo diferentes corantes alimentícios

Abstract: Recebido em 20/4/09; aceito em 11/8/09; publicado na web em 8/1/10 PHOTOLYSIS AND UV/H 2 O 2 TREATMENT OF A SYNTHETIC EFFLUENT CONTAINING FOOD DYES. Food industries employ a lot of synthetic dyes in their products. Most of these dyes are very stable face to the conventional treatments. This work studied the use of advanced oxidation process (AOP) as an alternative to the conventional ones to degrade a synthetic food effluent (photolysis and UV/H 2 O 2 in continuous reactor). The more efficient process was the … Show more

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Cited by 25 publications
(17 citation statements)
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“…It is also important to point out, as mentioned by Vicentini et al (2001), Peron, Marcu and Vicentini (2008) and Fachinneto et al (2009), that even if the plant metabolism is different, the results of this system-test are excellent cytotoxic analysis parameters, and that the observation of the occurrence of chromosomal alterations in the cellular cycle of this vegetable species has been used as an indicator to warn people about the consumption of certain foods and synthetic and natural medicines.…”
Section: Resultsmentioning
confidence: 96%
“…It is also important to point out, as mentioned by Vicentini et al (2001), Peron, Marcu and Vicentini (2008) and Fachinneto et al (2009), that even if the plant metabolism is different, the results of this system-test are excellent cytotoxic analysis parameters, and that the observation of the occurrence of chromosomal alterations in the cellular cycle of this vegetable species has been used as an indicator to warn people about the consumption of certain foods and synthetic and natural medicines.…”
Section: Resultsmentioning
confidence: 96%
“…This technology is characterized by the generation of the hydroxyl radical (HO • ), which has a high standard reduction potential (E 0 = 2.8 V), and therefore, it is able to oxidize organic contaminants to their mineralization (Marmitt et al 2010;Wang et al 2014). AOPs consist of different processes that generate the hydroxyl radical, among which the following stand out: photolysis (UV/ H 2 O 2 ), Fenton (Fe 2+ /H 2 O 2 ), photo-Fenton (UV/Fe 2+ / H 2 O 2 ), photocatalysis (UV/Fe 2+ /H 2 O 2 ), and ozonolysis (UV/O 3 ) (Amorim et al 2009;Tisa et al 2014;Pereira et al 2012).…”
Section: Introductionmentioning
confidence: 99%
“…14 Em termos de consumo de corantes no Brasil, estima-se que seja em torno de 26.500 t por ano. 22 O descarte inadequado de águas residuais por setores industriais que utilizam os corantes orgânicos sintéticos em suas atividades pode originar riscos ao meio ambiente e à saúde humana. Os ambientes aquáticos acabam sendo prejudicados, pois rios, lagos,…”
Section: Introductionunclassified
“…14 Em termos de consumo de corantes no Brasil, estima-se que seja em torno de 26.500 t por ano. 22 O descarte inadequado de águas residuais por setores industriais que utilizam os corantes orgânicos sintéticos em suas atividades pode originar riscos ao meio ambiente e à saúde humana. Os ambientes aquáticos acabam sendo prejudicados, pois rios, lagos, lençóis freáticos, entre outros, acabam se tornando o destino final dos efluentes industriais contendo corantes, sendo que quantidades significativas dessas substâncias são lançadas no ambiente pelos efluentes industriais.…”
Section: Introductionunclassified