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Wastewater Treatment Plant: Purpose and Process

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Wastewater Treatment Plant: Purpose and Process

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Questions and Answers

What is the primary purpose of a wastewater treatment plant?

To generate electricity from wastewater

To manage water discharged from homes, businesses, and industries to reduce the threat of water pollution (correct)

To produce clean water for drinking

To reduce the amount of wastewater generated

What type of wastewater treatment involves sedimentation of solid waste within the water?

Preliminary treatment

Secondary treatment

Sludge disposal

Primary treatment (correct)

What is the purpose of pre-treatment in wastewater treatment?

To prevent toxic chemicals or excess nutrients being discharged in wastewater (correct)

To remove large objects from wastewater

To produce clean water for drinking

To remove dissolved organic compounds

What type of sewers carry both sanitary wastes and storm water?

Combined sewers Signup and view all the answers

What is the purpose of wastewater collection?

To convey wastewater from the source to the treatment system Signup and view all the answers

What is secondary treatment in wastewater treatment?

A biological process to remove dissolved and suspended organic compounds Signup and view all the answers

What is the primary goal of tertiary treatment of effluent?

To further reduce organics, turbidity, nitrogen, phosphorus, metals, and pathogens Signup and view all the answers

What is the primary function of activated carbon in tertiary treatment?

To assist in the removal of organics and other pollutants Signup and view all the answers

What is the primary component of biogas?

Methane and carbon dioxide Signup and view all the answers

What is the primary function of a centrifuge thickening and dewatering system?

To separate wastewater liquid from solids Signup and view all the answers

What is the ultimate goal of wastewater treatment?

To protect the environment Signup and view all the answers