suitable for use. The basic steps of wastewater treatment are examined through the YouTube clip “How Do Wastewater Treatment Plants Function.”

The large volume of sewage flowing through American cities may lead to large wastewater accumulations at treatment facilities. The wastewater is passed through massive bars that screen out solid waste such as plastics and toilet paper. The water is later pumped through the grit chamber at a slower speed, which assures that the smaller particles of waste fall out, making the process of treating the water much more homogeneous.

The wastewater is then cleaned with clarifiers using flow velocity. This allows for the elimination of solids smaller than 10 micrometers. The wastewater is now pumped into the aeration basin, where return activated sludge eliminates organic matter. It is now completely safe for use after going through the second clarifier. The last step involves the chemical process of disinfection, which uses chlorine, ozone, or UV light to cleanse the water further. Each method of disinfection have their pros and cons. Following disinfection, water is pumped back to be used in the general home.

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