Verified Certificate

Supported by the following organizations

This is to certify that Andre Gaona successfully completed and received a passing grade in CTB3365STx: Introduction to Treatment of Urban Sewage a course of study offered by DelftX, an online learning initiative of Delft University of Technology.

Noted by

Jules van Lier

Jules van Lier

Professor of Environmental Engineering and Wastewater Treatment, Faculty of Civil Engineering and Geosciences Delft University of Technology

Merle de Kreuk

Merle de Kreuk

Associate Professor of Wastewater Treatment Faculty of Civil Engineering and Geosciences Delft University of Technology

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About edX Verified Certificates

An edX Verified Certificate signifies that the learner has agreed to abide by the edX honor code and completed all of the required tasks of this course under its guidelines, as well as having their photo ID checked to verify their identity.