How do waste water treatment plants work?
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The remaining waste water is treated to remove phosphorus, nitrogen and other nutrients, disinfected with chlorine, ozone or ultraviolet light and then returned to the water supply. All discharge from and equipment used by waste water treatment plants must meet U.S. Environmental Protection Agency standards. read more
Source: sciencing.com
From the digesters we drive to the dewatering building--just as at the water treatment plant, the wastewater plant uses belt presses to squeeze the water out of the last, bug-eat-bug stage of the sludge. read more
Source: scientificamerican.com
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Source: watertreatmentworks.blogspot.com
Further Research
How Does a Waste Water Treatment Plant Work?
sciencing.com
How Does Sewage Treatment Work?
www.scientificamerican.com
How Wastewater Treatment WorksThe Basics
www3.epa.gov
Water quality information
www.freedrinkingwater.com
