Electrochemical treatment for removing petroleum polycyclic aromatic hydrocarbons (PAHs) from synthetic produced water using a DSA-type anode: Preliminary results


Sustain. Environ. Res., 21(5), 329-335 (2011)



Juliana Patricia Souza Duarte, Carlos Alberto Martínez-Huitle, and Djalma Ribeiro da Silva


Electrochemical technologies, anodic oxidation, petroleum, synthetic produced water, polycyclic aromatic hydrocarbons


In this work, the anodic oxidation of synthetic produced water containing polycyclic aromatic hydrocarbons (PAHs) on Ti/Pt electrode was studied. Under galvanostatic conditions (11 mA cm-2), it was observed that the performance of the system is influenced by chemical structure of PAHs. High removal efficiencies (up to 85%) were obtained for some PAHs with simple chemical structure, while minor removal efficiencies were achieved for PAHs with more complex chemical structures (ranging from 45 to 60%). Higher removal efficiencies were obtained after 1 h of electrolysis, showing modestly changes in the subsequent treatment. The data were discussed based on the chemical structure and energy requirements for removing organic pollutants from synthetic produced water.


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