This certificate recognizes that Vassilis Dimitropoulos successfully completed and passed the course CTB3365STx: Introduction to the Treatment of Urban Sewage, offered through DelftX, the online learning initiative of Delft University of Technology in partnership with edX. The course was taught by Professor Jules van Lier of Environmental Engineering and Wastewater Treatment and Assistant Professor Merle de Kreuk of Wastewater Treatment at Delft University of Technology.

1. Professor of Environmental Engineering and Wastewater
Treatment, Faculty of Civil Engineering and Geosciences
Delft University of Technology
Jules van Lier
Assistant Professor of Wastewater Treatment
Faculty of Civil Engineering and Geosciences
Delft University of Technology
Merle de Kreuk
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CERTIFICATE
HONOR CODE
Vassilis Dimitropoulos
successfully completed and received a passing grade in
CTB3365STx: Introduction to the Treatment of Urban
Sewage
a course of study offered by DelftX, an online learning
initiative of Delft University of Technology through edX.
Issued April 9th, 2015 https://verify.edx.org/cert/0d4ffdea38f0472191972799418b8765