Bergendahl, John A.
Many studies of water purity have been conducted in the past, but only recently have they gained widespread societal awareness. An article published in March 2002 proved that there exists an abundance of harmful chemicals in our water supply. This paper will provide a background on water treatment techniques. We then move on to the processes such as sterilization, and the removals of taste, color and odor. We will also look at examples where the ecosystem has been affected.
Worcester Polytechnic Institute
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Civil and Environmental Engineering