Topic 5b - Sewage Treatment


This section is about the treatment of domestic sewage to make it safe for release into rivers and other waterways.

When you complete each quiz you will be given a clearance code which you should note down for later use on the clearance page. At the end of the set of quizzes you should print out a copy of the clearance certificate and hand this in to your teacher as proof that you have completed the activity.


Chemistry Index | Environmental Chemistry Index