Verified Certificate

Supported by the following organizations

This is to certify that Douglas Gonçalez de Oliveira successfully completed and received a passing grade in CTB3365DWx: Drinking Water Treatment a course of study offered by DelftX, an online learning initiative of Delft University of Technology.

Noted by

Luuk Rietveld

Luuk Rietveld

Professor in Urban Water Cycle Technology Sanitary Engineering Faculty of Civil Engineering and Geosciences Delft University of Technology

Doris van Halem

Doris van Halem

Assistant Professor in Drinking Water Sanitary Engineering Faculty of Civil Engineering and Geosciences Delft University of Technology

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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.