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Avaliação de processo oxidativo avançado pelo reagente de Fenton em condições otimizadas no tratamento de lixiviado de aterro sanitário com ênfase em parâmetros coletivos e caracterização do lodo gerado

By Wagner Guadagnin Moravia, Liséte Celina Lange and Míriam Cristina Santos Amaral

Abstract

An alternative for landfill leachate treatment are advanced oxidation processes by Fenton's reagent (AOP/Fenton). In this context, the aim of this paper was to evaluate, in a bench scale, the treatability of leachate pós-AOP/Fenton characterizing the supernatant and the sludge generated separately. Observed in optimal conditions, high removal efficiency of COD (76.7%), real color (76.4%) and humic substances (50%). Organic compounds were detected in the sludge (2.465 mg COD L-1) and high concentration of iron (1.757 mg L-1) as was expected. Finally, the sludge generated showed low settling hindering their separation by sedimentation (SVI = 321 mL g-1)

Topics: advanced oxidative process, landfill leachate, characterization, Chemistry, QD1-999, Science, Q
Publisher: Sociedade Brasileira de Química
Year: 2011
DOI identifier: 10.1590/S0100-40422011000800014
OAI identifier: oai:doaj.org/article:23d3d8240a434e8d813dbc266616eb21
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