What is the physical and biological steps involved in treating sewage water in waste water treatment plant ?
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Sewage treatment often involves two main stages, called primary and secondary treatment, while advanced treatment also incorporates a tertiary treatment stage with polishing processes and nutrient removal. ... A large number of sewage treatment technologies have been developed, mostly using biological treatment processes.
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Sewage contains wastewater from households and businesses and possibly pre-treated industrial wastewater. ... Sewage treatment often involves two main stages, called primary and secondary treatment, while advanced treatment also incorporates a tertiary treatment stage with polishing processes and nutrient removal.
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