About this online course


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Course video

This course focuses on conventional technologies for drinking water treatment. Unit processes, involved in the treatment chain, are discussed as well as the physical, chemical and biological processes involved. The emphasis is on the effect of treatment on water quality and the dimensions of the unit processes in the treatment chain. After the course one should be able to recognize the process units, describe their function, and make basic calculations for a preliminary design of a drinking water treatment plant.

The course consists of 4 modules:

  1. Introduction to drinking water treatment. In this module you learn to describe the important disciplines, schemes and evaluation criteria involved in the design phase.
  2. Water quality. In this module you learn to identify the drinking water quality parameters to be improved and explain what treatment train or scheme is needed.
  3. Groundwater treatment. In this module you learn to calculate the dimensions of the groundwater treatment processes and draw groundwater treatment schemes.
  4. Surface water treatment. In this module you learn to calculate the dimensions of the surface water treatment processes and draw surface water treatment schemes.

What you'll learn

  • Recognize the process units in urban water services, focusing on basic drinking water technologies.
  • Describe the function of these process units.
  • Describe the physical and chemical processes involved.
  • Make simple design calculations on drinking water treatment plants.

This course course has been awarded the 2014 Open MOOC for OpenCourseWare Excellence.

Water XSeries

This course combined with the courses "Introduction to Water and Climate" and "Urban Sewage Treatment" forms the Water XSeries, Faculty of Civil Engineering and Geosciences, TU Delft.



Unless otherwise specified, the Course Materials of this course are Copyright Delft University of Technology and are licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.


This is a Massive Open Online Course (MOOC) that runs on edX. High school level of mathematics and chemistry is recommended.

  • Starts: Anytime (Self-Paced)
  • Free | Earn certificate for $139
  • Length: Self-Paced
  • Effort: 6 - 8 hours per week / 7 weeks

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