(444f) Electrochemical Wastewater Treatment: Oxidation of Persistent Wastewater Constituents

Woisetschläger, D., Graz University of Technology
Humpl, B., VTU Engineering
Koncar, M., VTU Engineering
Glasl, W., VTU Engineering
Siebenhofer, M., Graz University of Technology

Electrochemical wastewater treatment: Oxidation of persistent wastewater constituents

D. Woisetschläger1), B. Humpl1), M. Koncar1), W. Glasl1, M. Siebenhofer2)

1) VTU Engineering GmbH, Parkring 18, A-8074 Grambach/Graz

2) Institute of Chemical Engineering and Environmental Technology, Graz University of Technology

Inffeldgasse 25/C/II, A-8010 Graz

In recent years a great progress has been made in the development of electrochemical wastewater treatment (EAOP) with the aim to provide a universal method for the degradation of persistent water constituents. Anodic oxidation of organic substances with boron-doped diamond (BDD) electrodes has demonstrated its high potential for the removal of pollutants. Especially the combination of physical or biological technologies with electrochemical wastewater treatment systems have a great potential.

Boron-doped diamond electrodes prove to be a highly appropriate electrode in terms of oxidation power, application and stability. Full scale electrolysis cells for industrial applications equipped with a maximum BDD-electrode area of 3,6 m² were constructed and installed. With this electrode configuration the purification of a variety of industrial wastewaters was successful. Several full scale electrolysis cells were installed at customers site and demonstrate that the electrochemical wastewater treatment is a highly reliable technology for manifold industries.


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