The process of removing oil and grease from sewage in a wastewater treatment plant is known as ___.

aeration

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screening

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filtration

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skimming

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Similar questions

Q. In which part of the wastewater treatment plant are oil and grease removed from water?

(a) grit chamber
(b) clarifier
(c) aeration tank
(d) vertical bars

What is employed to remove oil and grease from wastewater?

Q. _____ is a network of pipes that carry sewage from the households and industries to the wastewater treatment plant.

The process of removing large objects such as plastic bags, clothes, diapers etc using grills and nets in a wastewater treatment plant is called________.

Q. Given below is a jumbled sequence of the processes involved in a wastewater treatment plant. Select the correct option that gives the correct sequence of the processes.

(A) Sludge is scraped out and skimmer removes floating grease.
(B) Water is made to settle in a large tank that is sloped in the middle.
(C) Large objects like plastic bags are removed by passing wastewater through bar screens.
(D) Sand, grit and pebbles are made to settle by decreasing the speed of incoming wastewater.
(E) Wastewater enters a grit and sand removal tank.

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