Section 3
Wastewater Treatment and Water Purification
Book
Version 6
By Boundless
By Boundless
Boundless Microbiology
Microbiology
by Boundless
3 concepts
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Microorganisms and Water Quality
Microorganisms from sewage can cause human disease, but can also negatively affect important ecosystems on which humans rely.
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Wastewater and Sewage Treatment
Wastewater is treated in 3 phases: primary (solid removal), secondary (bacterial decomposition), and tertiary (extra filtration).
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Purification of Drinking Water
Water is purified with filters to remove larger protozoans, and by chemical or UV disinfection to kill bacteria and other small pathogens.