why is sewage disinfected at last stage
Answers
Waste water treatment is an addition to the natural process of water purification. To maximize the use of natural resources, wastewater treatment plans are organized and implemented. Industrial wastewater treatment plants and sewage treatment plants are used to purify water and make it useful again.
Most commonly, two methods of wastewater treatment are used to fulfill the demand of citizens, industry, and communities. How do these two different methods work?
Disinfection is usually the final stage in the water treatment process in order to limit the effects of organic material, suspended solids and other contaminants. ... Amendments to the Safe Drinking Water Act in 1996 mandate the development of regulations to require disinfection of groundwater “as necessary.”
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