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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.
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.
Using electro-flotation/oxidation for reducing chemical oxygen demand, total organic carbon and total solids in vinasses
Javier Dávila Rincón (author) / Fiderman Machuca Martínez (author) / Nilson Marrianga Cabrales (author)
2009
Article (Journal)
Electronic Resource
Unknown
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