Waste Water Treatment

What is the primary treatment process in waste water treatment?

• Physical processes

• Emotional processes

• Chemical processes

• Biological processes

Explain the secondary treatment process in waste water treatment.

• Biological processes to remove organic matter

• No treatment process is needed for waste water

• Chemical processes to add organic matter

• Physical processes to separate solids from liquid

Which of the following is/are products of wastewater treatment?

• Biogas

• Sludge

• Aerator

• Both biogas and sludge

Which of the following is/are products of wastewater treatment?

• Biogas

• Sludge

• Both biogas and sludge

• Aerator

The semi-solid organic material that comes out of a wastewater treatment plant after completion of the wastewater treatment process is called

• wastewater.

• pathogenic.

• sewage.

• sludge.

What happens to the sewage at the screening bars when it first reaches the wastewater treatment plant?

• The organic matter is eaten by bacteria.

• The sludge and solids are separated from the liquid.

• It is screened to remove unwanted objects like baby wipes etc.

• It is filtered and disinfected.

Sewage treatment

• is a process of waste water treatment.

• refers to waste water that is released by homes, industries, hospitals etc.

• refers to the rain water that run down the streets during heavy rains.

• All of the above

Tags

NGSS.MS-LS2-5

This is the part where solid wastes are allowed to settle down and light floatable wastes rise

• Grit Chamber

• Sedimentation Tank

• Aeration Tank

• None of These

Wastewater contains unwanted materials from human activity in homes or shelters, industries, agricultural use, and farming and it needs to be treated to make it safe again

• Agree

• Disagree

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

What process is shown in this image?

• filtration

• sediments

• flocculation

• disinfection