waste water treatment

What is the first step in wastewater treatment?

• Primary treatment

• Secondary treatment

• Advanced treatment

• Disinfection

What do microorganisms need to decompose waste?

• Sunlight

• Sand

• Chlorine

• Oxygen

What is the purpose of a biological treatment process?

• To add chemicals to the water

• To remove solids from wastewater

• To change water color

• To increase water temperature

What is used to disinfect the final wastewater?

• Chlorine

• Plastic

• Sand

• Rocks

What is the average amount of biosolids produced by a person per year?

• 200 pounds

• 100 pounds

• 400 pounds

• 300 pounds

1. What are the primary stages of wastewater treatment, and what happens in each stage?

1. How do physical, chemical, and biological processes contribute to wastewater treatment?

1. What is the role of microorganisms in the secondary treatment of wastewater?

1. Why is it important to remove nutrients like nitrogen and phosphorus from wastewater?

1. What are some common methods used to disinfect treated wastewater before it is released back into the environment?