Abstract
Electrocoagulation is currently an emerging technology presented as an alternative for wastewater treatment, offering great potential in the removal of many different contaminants in wastewater from different sources [1].In this work Tetra Pak packages were used to obtain Al electrodes. Al disc were made with 1,250 grams of aluminum recovered at a pressure of 6 tons for 2 minutes and these were used as electrodes for the electrocoagulation process Electrocoagulation was performed at a current of 7.5A for 30 minutes at initial pH of 8. Up to 80 % removal of color and COD 47.97 % was observed when commercial aluminum electrodes and 77.81 % are used in color and COD of 47.57 % when the recovered aluminum electrodes were used (see Fig. 1). Therefore we can use the recovered aluminum electrodes as an alternative for the treatment of wastewater.[1]M. Mechelhoff, G. H. Kelsall y N. J. Graham, «Electrochemical behavior of aluminium in electrocoagulation processes,» Chemical Engineering Science, vol. 95, pp. 301-312, 2013.
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