Waste Water Treatment

Dewatering is Not a process of filtering sludge

• True

• False

what is the solid waste that settles at the bottom of the in the primary treatment of waste water called?

• Sludge

• Clarified water

• Scum

• Compost

___________ is the wastewater containing suspended impurities

• Clarified water

• Sewage

is the liquid waste that is discharged into a river or the sea

• Effluent

• Contaminants

Tags

NGSS.MS-LS2-4

Sand, grit and pebbles are removed in ___________

• Aeration tank

• Grit chamber

Air is blown into the sewage in ____________ tanks

• Sedimentation

• Aeration

________________ is produced by the action of bacteria on the organic matter of sludge

• LPG

• Biogas

Which one of these is a mechanical process of treating water?

• Screening of sewage

• Aeration of sewage

• Digestion of sewage

• Addition of chlorine to water

Which one of these is a biological process of treating water?

• Screening of sewage

• Aeration of sewage

• Exposure to ultraviolet light

• Addition of Chlorine water

Which of the following treatments involves addition of chlorine?

• Primary treatment

• Secondary treatment

• Tertiary treatment

• Initial treatment