WASTEWATER TREATMENT
WASTEWATER TREATMENT EXAM QUESTIONS AND ANSWERS WELL
ILLUSTRATED.
What is wastewater treatment? answer >> A system to purify the flow of used
water from a community.
How many treatment methods are used? Name them. answer >> 4: physical,
mechanical, biological, and chemical. (Please Mind Bobby Child)
How is wastewater from homes collected? What part does gravity play in the
existing method? answer >> Underground pipes, also known as sewers, collect
wastewater from homes. Gravity moves the wastewater through the pipes, down
to the wastewater treatment plant.
When gravity is not enough, how is the sewage moved? answer >> Pumping stations
What is the difference between a sanitary sewer and a storm sewer? answer >>
Sanitary sewers carry wastewater from homes, commercial buildings, institutions,
or industrial sources, while storm sewers carry runoff from rain water.
Primary treatment at a wastewater treatment plant includes what 3 steps? answer
>> 1) bar screens- catch and remove large solids (like a net) 2) grit chambers-
remove heavy, fast-settling particles which settle to bottom of chambers due to
gravity 3) settling tanks- heavy solids settle to bottom of tanks
WASTEWATER TREATMENT EXAM QUESTIONS AND ANSWERS WELL
ILLUSTRATED.
What is wastewater treatment? answer >> A system to purify the flow of used
water from a community.
How many treatment methods are used? Name them. answer >> 4: physical,
mechanical, biological, and chemical. (Please Mind Bobby Child)
How is wastewater from homes collected? What part does gravity play in the
existing method? answer >> Underground pipes, also known as sewers, collect
wastewater from homes. Gravity moves the wastewater through the pipes, down
to the wastewater treatment plant.
When gravity is not enough, how is the sewage moved? answer >> Pumping stations
What is the difference between a sanitary sewer and a storm sewer? answer >>
Sanitary sewers carry wastewater from homes, commercial buildings, institutions,
or industrial sources, while storm sewers carry runoff from rain water.
Primary treatment at a wastewater treatment plant includes what 3 steps? answer
>> 1) bar screens- catch and remove large solids (like a net) 2) grit chambers-
remove heavy, fast-settling particles which settle to bottom of chambers due to
gravity 3) settling tanks- heavy solids settle to bottom of tanks
