Journal
ENVIRONMENTAL CHEMISTRY LETTERS
Volume 17, Issue 1, Pages 495-499Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s10311-018-0782-z
Keywords
Pathogen removal; Wastewater treatment; Iron electrode
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Swine production generates large volumes of wastewater, rich in organic matter, nutrients and pathogens. Electrodisinfection is used to remove organic matter and nutrients from animal wastewater, but its effectiveness on pathogens inactivation has not been studied using real swine wastewater. Therefore, we evaluated the efficiency of electrodisinfection on pathogens reduction using real swine wastewater. For that, we tested the effect of pH and current density, using iron and aluminum electrodes. Results show a 99.99% reduction of Escherichia coli when electrodisinfection was performed during 60min at pH 3.0 and current density of 44mAcm(-2) using iron or aluminum electrodes. The liquid fraction obtained after electrodisinfection can be reused for cleaning swine buildings, thus avoiding the use of potable water.
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