So when Mr. Tony Rojas came to speak at Mercer I was unable to attend because I had to attend a class at Macon State. As a makeup assignment I am writing about waste water treatment and how waste water is purified and cleaned so that it can be consumed by humans and other creatures.
The treatment plant that I am familiar with was very small scale, and very simple. The raw sewage was piped into the plant and held in a tank. The sewage was then pumped into the grinders where it was ground up and mixed in with a large amount of water, it is ground on a regular schedule for several hours and then pumped into a second holding tank where it is held and it allows for bacteria to eat the waste. From there it is moved to another tank and chlorinated which is the final step in the process. Samples are gathered on a regular schedule to be sent for tests. The water is then considered clean and can be released into a free flowing creek. This is a very primitive set up that I am slightly familiar with. there are much more sophisticated and highly technological systems out there. This link can give you a more specific explanation of the process:
http://en.wikipedia.org/wiki/Sewage_treatment
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