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Sewage treatment. Irina Cech, PhD. U.S. Clean Water Act. Requires that raw sewage be treated to remove dangerous viruses, parasites and other pollutants before it is discharged into streams, lakes, and drinking water sources . Credit: Irina Cech. Wastewater treatment segments & purpose:.
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Sewage treatment Irina Cech, PhD
U.S. Clean Water Act • Requires that raw sewage be treated to remove dangerous viruses, parasites and other pollutants before it is discharged into streams, lakes, and drinking water sources Credit: Irina Cech
Wastewater treatment segments & purpose: • Primary (physical) • Secondary (organic) • Tertiary (inorganic) Credit: Irina Cech
Aerobic digestion system Credit: Irina Cech