Honor Code Certificate

Supported by the following organizations

This is to certify that Armando Jose Marcano successfully completed and received a passing grade in 40050455x: Water and Wastewater Treatment Engineering:Physicochemical Technology a course of study offered by TsinghuaX, an online learning initiative of Tsinghua University through edX.

Noted by

Xia Huang

Professor, School of Environment Tsinghua University

Nie Fenghua

Director, Online Education Office Tsinghua University

About edX

edX offers interactive online classes and MOOCs from the world’s best universities, including MIT, Harvard, Berkeley, University of Texas, and many others. edX is a mission driven initiative created by founding partners Harvard and MIT.

About edX Honor Code Certificates

An Honor Code 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.