There are lengthy pages about sedimentation . They are to introduce and reinforce the lecture material. There is a nice page created by E.S.B. students . The photos were dark to begin with and may not view well on a PC with a low resolution screen. There is a nice page created by E.S.B. students .
Filtration is covered in some detail.
Because filtration is a topic in one of your previous courses, we will emphasize sand filters for water treatment. There is an unfinished page created by E.S.B. students . This would be a good time to view an optional presentation about History of Water Supplies in the U.S. Chemical equilibrium is assigned in two parts. The WWW pages duplicate the lectures but allow you to get help at your own pace. For your first WWW session, stop after the pages about equilibrium diagrams for weak acids and weak bases.