Water Treatment Plants
What is used to filter water at a water treatment plant?
What an idea! I take my students to a water treatment facility every
year. You should call your local water treatment plant and ask for a
tour. They'd be happy to accommodate you. Better yet, suggest it to your
teachers. It is much better to see the operation than have us explain
it. Basically, most treatment plants remove the solid material and use
living organisms and chlorine to clean up the water.
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Update: June 2012