Treatment of Leachate by Electrochemical Oxidation using Graphite and Titanium Electrodes

MP Pavithra, Pushpa Lumina


Leachate originating in landfills where municipal solid wastes are disposed
is a wastewater with a complex composition that could have a high
environmental impact.The study aims to treat the landfill Leachate by
electrochemical oxidation process in order to render the Leachate reasonable
for inland disposal. Electrochemical oxidation of organic compounds from
Leachate is a compelling method of breaking down pollutants which are
resistant to biological degradation. The electrodes used in the process are
graphite and titanium electrodes. At optimum conditions, the percentage
removal by Graphite electrodes areCOD, TDS, Ammonia and Chloride were
52%, 57%, 60% and 45% respectively. The percentage removal by Titanium
electrodes are COD, TDS, Ammonia and Chloride were 68%, 80%, 65% and
58% respectively.


Landfill leachate, Graphite, Titanium Electrochemical oxidation, Chemical oxygen demand (COD).

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