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    Using electro-flotation/oxidation for reducing chemical oxygen demand, total organic carbon and total solids in vinasses

    The high chemical oxygen demand (COD) of vinasses from ethanol distilleries (greater than 130,000 mg/L) has led to exploring alternative treatments enabling their final disposition. The electro-flotation/oxidation of vinasses was thus experimentally evalua-ted regarding initial pH, electrolytic support (NaCl) and hydrogen peroxide concentration (H2O2), current density (CD) and se-veral electrodes: iron, aluminum and galvanized steel. Its effect on reducing COD and total organic carbon (TOC) was studied, an initial 214,000 ppm COD value being reduced to 90,000 ppm, thereby representing a 58% reduction. The greatest reduc-tions were achieved with galvanized steel electrodes, basic pH, 20 mA/cm2 and 60,000 ppm H2O2.

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    Using electro-flotation/oxidation for reducing chemical oxygen demand, total organic carbon and total solids in vinasses

    The high chemical oxygen demand (COD) of vinasses from ethanol distilleries (greater than 130,000 mg/L) has led to exploring alternative treatments enabling their final disposition. The electro-flotation/oxidation of vinasses was thus experimentally evalua-ted regarding initial pH, electrolytic support (NaCl) and hydrogen peroxide concentration (H2O2), current density (CD) and se-veral electrodes: iron, aluminum and galvanized steel. Its effect on reducing COD and total organic carbon (TOC) was studied, an initial 214,000 ppm COD value being reduced to 90,000 ppm, thereby representing a 58% reduction. The greatest reduc-tions were achieved with galvanized steel electrodes, basic pH, 20 mA/cm2 and 60,000 ppm H2O2.

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    Using electro-flotation/oxidation for reducing chemical oxygen demand, total organic carbon and total solids in vinasses

    The high chemical oxygen demand (COD) of vinasses from ethanol distilleries (greater than 130,000 mg/L) has led to exploring alternative treatments enabling their final disposition. The electro-flotation/oxidation of vinasses was thus experimentally evalua-ted regarding initial pH, electrolytic support (NaCl) and hydrogen peroxide concentration (H2O2), current density (CD) and se-veral electrodes: iron, aluminum and galvanized steel. Its effect on reducing COD and total organic carbon (TOC) was studied, an initial 214,000 ppm COD value being reduced to 90,000 ppm, thereby representing a 58% reduction. The greatest reduc-tions were achieved with galvanized steel electrodes, basic pH, 20 mA/cm2 and 60,000 ppm H2O2.

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    Titel:

    Using electro-flotation/oxidation for reducing chemical oxygen demand, total organic carbon and total solids in vinasses

    Beteiligte:

    Javier Dávila Rincón (Autor:in) / Fiderman Machuca Martínez (Autor:in) / Nilson Marrianga Cabrales (Autor:in)

    Erschienen in:

    Ingeniería e Investigación, Vol 29, Iss 1, Pp 35-38 (2009)

    Erscheinungsdatum:

    2009

    ISSN:

    0120-5609 , 2248-8723

    Medientyp:

    Aufsatz (Zeitschrift)

    Format:

    Elektronische Ressource

    Sprache:

    Unbekannt

    Schlagwörter:

    vinasse , electro-flotation , electro-Fenton , electro-oxidation , COD , TOC , Engineering (General). Civil engineering (General) , TA1-2040

    Metadata by DOAJ is licensed under ​CC BY-SA 1.0

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