2010
DOI: 10.2166/wst.2010.870
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Photo-assisted electrochemical degradation of real textile wastewater

Abstract: In the present study, photo-assisted electrochemical degradation of real textile wastewater was performed. Degradation assays were performed at constant current (40 mA cm(-2)) in a combined electro/photochemical flow-cell using a Ti/Ru(0.3)Ti(0.7)O(2) DSA type electrode. The results show that the method is capable of removing color and chemical oxygen demand (COD) from the effluent. Additionally, the effect of initial pH and type of supporting electrolyte (Na(2)SO(4) or NaCl) was investigated. The principal fi… Show more

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Cited by 35 publications
(19 citation statements)
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“…The use of NaCl in this way can be problematic as subsequent reactions can result in the formation of chlorine-containing organic degradation byproducts, which can be toxic and/or carcinogenic (Choi et al 2004). The presence of such compounds can significantly increase the toxicity of treated effluents (Alves et al 2010). The literature demonstrates that the extent of chlorinated DBP formation during electrochemical treatment is dependent on the overall organic load and the chloride concentration (Rajkumar et al 2005; Aquino Neto and De Andrade 2009).…”
Section: Introductionmentioning
confidence: 99%
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“…The use of NaCl in this way can be problematic as subsequent reactions can result in the formation of chlorine-containing organic degradation byproducts, which can be toxic and/or carcinogenic (Choi et al 2004). The presence of such compounds can significantly increase the toxicity of treated effluents (Alves et al 2010). The literature demonstrates that the extent of chlorinated DBP formation during electrochemical treatment is dependent on the overall organic load and the chloride concentration (Rajkumar et al 2005; Aquino Neto and De Andrade 2009).…”
Section: Introductionmentioning
confidence: 99%
“…The literature demonstrates that the extent of chlorinated DBP formation during electrochemical treatment is dependent on the overall organic load and the chloride concentration (Rajkumar et al 2005; Aquino Neto and De Andrade 2009). However, it is interesting to note that, in recent studies using NaCl, the phytotoxicity (using lettuce (Lactuca sativa) seeds as the test organism) of real textile effluent increased significantly during electrochemical treatment, but did not change appreciably during photo-assisted treatment (Alves et al 2010).…”
Section: Introductionmentioning
confidence: 99%
“…O estudo de aplicação de técnicas eletroquímicas no tratamento terciário dos efluentes, para eliminação de cor, tem aumentado nos últimos anos [45,[50][51][52][53][54].…”
Section: Tratamento Eletroquímico E Eletroquímico Foto-assistidounclassified
“…Voltametria cíclica (VC) é uma técnica útil para verificar processos que ocorrem na interface eletrodo / solução [40,50]. É um conjunto de respostas de corrente em função do potencial aplicado em um eletrodo, em uma determinada solução.…”
Section: Caracterização Do Eletrodounclassified
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