NDLI: Avaliação do efeito da condutividade na eletro-coagulação-flotação aplicada ao tratamento físico-químico de águas residuárias Condutivity effect in electro-coagulation-flotation applied to physico-chemical wastewater treatment.

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Avaliação do efeito da condutividade na eletro-coagulação-flotação aplicada ao tratamento físico-químico de águas residuárias Condutivity effect in electro-coagulation-flotation applied to physico-chemical wastewater treatment.

Content Provider	Semantic Scholar
Author	Foco, Mário Luiz Rodrigues Teran, Francisco Javier Cuba
Copyright Year	2007
Abstract	This study reports on the effect of conductivity on the simultaneous applicability of water electrolysis , chemical coagulation and flotation fundamentals in the treatment of wastewater with large amounts of suspended matter, characterizing electro-coagulation-flotation (ECF) . Results from experiments carried out in a pilot study implanted and operated in the Laboratory of Environment Control (LCA), at the State University of Campinas in Limeira are presented. ECF was developed in an electrolytic reactor where water passed through aluminum electrodes connected to a power supply. Electrochemical reactions promoted Al 3+ ions emission from anode, neutralizing repulsive pollutant forces, forming flakes. An evolution of micro hydrogen bubbles occurred, carrying the flakes to the top of the solution, causing flotation and polluter removal. System monitoring aimed at reaching optimal operation conditions regarding time of liquid permanence in the reactor, influence of the NaC1 addition on the increase of affluent conductivity, and influence of polarity inversion over cathodic passivation. Results from carwash wastewater treatment reported 86% efficiency rate for color, 90,15% for turbidity and 85,43% for oil and axle-grease removal.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.uel.br/revistas/uel/index.php/semexatas/article/download/1892/1595
Alternate Webpage(s)	http://www.uel.br/proppg/portal/pages/arquivos/pesquisa/semina/pdf/semina_28_2_22_28.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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